Browse mineral resources

Eldorado Mine New Eldorado Mine

Producer • Gold, Tungsten, Vanadium, Molybdenum

Black Eagle

Past Producer • Lead, Silver

Fletcher Prospect

Occurrence • Molybdenum, Copper

Phoenix Tungsten

Occurrence • Tungsten

Miller Ranch Tungsten

Occurrence • Tungsten

Big Henry

Occurrence • Tungsten

Chuckawalla Tungsten Mine

Past Producer • Tungsten

Red Ocher

Occurrence • Tungsten

Lost Horse Mine

Producer • Bismuth, Gold, Copper

Box Canyon Mine

Occurrence • Manganese

Doran Manganese Claims

Occurrence •

Langdon Deposit

Producer • Manganese

Mountaineer Mine

Occurrence • Manganese, Gold, Copper

Palen Mountains

Occurrence •

Pinkham

Occurrence •

Holmes Ranch Deposit

Occurrence • Tin

Anderson

Occurrence •

Nancy

Occurrence •

Randolph and Hamilton

Occurrence • Copper

Fluor Spar Group

Occurrence •

Homestake

Occurrence •

Neal Group

Occurrence •

St. John

Past Producer • Copper

Mountain King

Occurrence •

Big Horn Group

Occurrence •

Desert Center Claim

Past Producer • Gold, Silver

Palisades Group

Occurrence •

Electric Copper and Gold

Occurrence •

Matilda Group

Past Producer • Tungsten

Indian Tungsten Mine

Occurrence •

Milkyway Claims

Occurrence •

Unnamed Prospects

Occurrence •

Ribbonwood Tungsten, Inc

Past Producer • Tungsten

Ribbenwood No. 2 Claim

Occurrence •

Red Cloud

Occurrence •

Ragsdale Property

Occurrence •

Black Giant

Occurrence • Iron

Unnamed Deposits

Occurrence • Iron

Unnamed Deposit

Occurrence • Iron

Unnamed Deposit

Occurrence • Iron

Unnamed Deposit

Occurrence • Iron

Unnamed Deposit

Occurrence • Iron

East Wide Canyon

Occurrence • Iron

Iron King and Iron Queen

Occurrence • Iron

Maria Mountain

Occurrence • Iron

Lindy Loop No. 1

Occurrence • Iron

Undetermined Occurrence

Occurrence • Iron

Sulphide Bismuth

Occurrence • Iron

Palen Mountains Gypsum Deposit

Occurrence • Gypsum-Anhydrite

Hazador Canyon Gypsum Deposit

Past Producer • Gypsum-Anhydrite

Frazer Gypsum Deposit

Producer • Gypsum-Anhydrite

Jones Deposit

Occurrence • Silica

Brown Silica Deposit

Occurrence • Silica

P.J. Weisel, Industrial Sand

Producer • Silica

Nichols Magnesite Deposit

Occurrence • Magnesite

Hemet Magnesite Mine

Occurrence • Magnesite

South Pacific Deposit

Occurrence • Limestone, General

Novell Deposit

Occurrence • Limestone, General

Magstone Products

Past Producer • Limestone, General

Hubbard Limestone

Occurrence • Limestone, General

Guiberson Deposit

Occurrence • Limestone, General

Eden Hot Springs Deposit

Occurrence • Limestone, General

Ormand Quarry

Producer • Granite

Perris Asbestos Deposit

Past Producer • Asbestos

Schindler Mine

Producer • Gemstone

Morning Star Mine

Producer • Gold

Gold Dollar Group

Past Producer • Gold

Lum Grey

Past Producer • Gold

Golden Rod Mine

Occurrence • Gold

Mountain Queen

Past Producer • Gold

North Star Group of Mines

Occurrence • Gold

Goldfields of America Mine

Occurrence • Gold

Frank Hill Mine

Occurrence • Gold

Bryan Mine

Past Producer • Gold

Brown Mine

Past Producer • Gold

American Flag Mine

Past Producer • Gold

Lucky Strike

Occurrence • Gold

Ida-Leona Mine

Past Producer • Gold

Granite Mine

Past Producer • Gold

Good Hope Mine

Past Producer • Gold

Golden Bee Mine

Past Producer • Gold

Missing Link Mine

Occurrence • Gold

Mastodon Mine

Occurrence • Gold

Oro Vista Mine

Occurrence • Gold

Paymaster Mine

Past Producer • Gold

Red Cloud Mine

Past Producer • Gold

Schellenger Mine

Past Producer • Gold

Summit Group of Mines

Past Producer • Gold

Palen Mountains Talc Deposit

Occurrence • Talc-Soapstone

Eagle Nest Copper Mine

Occurrence • Copper

Eagle Mountain Mine

Past Producer • Iron

Black Eagle Mine

Past Producer • Lead, Silver

Big Bullet Manganese Claims

Past Producer • Manganese

South Black Rock Deposit

Occurrence • Tin

Moore Deposit

Occurrence • Tin

Black Rock Deposit

Occurrence • Tin

Phoenix Tungsten

Past Producer • Tungsten

Magnesium Canyon Tungsten Mine

Occurrence • Tungsten

Indian Tungsten Mine

Occurrence • Tungsten

Garnet Queen Tungsten Mine

Occurrence • Tungsten

Temescal Clay Company

Past Producer • Clay

Palen Mountains Clay Deposit

Occurrence • Clay, Bentonite

Fluorspar Group of Mines

Occurrence • Fluorine-Fluorite

Ram Group

Producer • Uranium

Eagle Mountains

Producer • Iron

North East No. 1 Claim

Producer • Uranium

Iron Hat-Ironclad

Producer • Iron

Temescal Tin Mine

Producer • Tin

Black Ace Mine

Producer • Manganese

Midland Deposits

Producer • Gypsum-Anhydrite

Crescent Copper Group

Past Producer • Copper

Mountainer Mine

Producer • Copper

Lamb Canyon Deposit

Past Producer • Limestone, General

Creek Deposit

Past Producer • Limestone, General

Pit

Past Producer • Sand and Gravel, Construction

Hubbard Limestone

Past Producer • Limestone, General

Pit

Past Producer • Sand and Gravel, Construction

Valley Rock & Sand Corp

Past Producer • Sand and Gravel, Construction

Eden Hot Springs Deposit

Past Producer • Limestone, General

Eden Hot Springs Limestone Deposit

Past Producer • Limestone, General

Riverside Portland Cement Company

Producer • Feldspar

Pit

Producer • Granite

Ensley-Spaulding

Producer • Feldspar, Silica

Nason Street Pit

Producer • Granite

Menifee Mine

Producer • Gold

Nammoth Mine

Producer • Gold

Encaustic Tiling Co

Producer • Feldspar, Silica

Pit

Producer • Granite

Pit

Producer • Granite

Blue Gray Granite Quarry

Producer • Granite

Blue Gray Granite Quarry

Producer • Granite

Jumbo Mine

Producer • Gold

Colorado Mine

Producer • Gold

Pit

Producer • Granite

Perris Asbestos Deposit

Producer • Asbestos

Best Ranch Deposit

Past Producer • Limestone, General

Morton Clay Deposit

Past Producer • Clay

Chief of the Hills Group

Occurrence • Tin

Unnamed Prospect

Occurrence • Tin

Riverside Cement Co Crestmore Qurry

Past Producer • Limestone, General

Jensens Quarry

Producer • Marble, Dimension

Prospect

Producer • Gold

Eagle Mtn Iron Mine

Producer • Iron

Glen Avon Quarry

Producer • Marble, Dimension

Corona Rock Co

Past Producer • Sand and Gravel, Construction

Harrington D Pit

Past Producer • Clay

Temescal Canyon Silica Deposit

Producer • Silica

Findley Prospect

Prospect • Clay

Conduit Clay Placer

Prospect • Clay

Thomas Clay Deposit

Past Producer • Clay

Findley Feldspar Placer

Past Producer • Clay

Emsco Pit

Past Producer • Clay

Barth Deposit

Producer • Gypsum-Anhydrite

Fire Clay Group

Past Producer • Clay

Pacific Clay Products Co

Past Producer • Clay

White Gypsum

Producer • Gypsum-Anhydrite

Monhof

Past Producer • Sand and Gravel, Construction

Jackson & Havens

Past Producer • Sand and Gravel, Construction

Middlesworth Clay Deposit

Past Producer • Clay

Frazer Gypsum Deposit

Past Producer • Gypsum-Anhydrite

Corona Lead-Zinc

Past Producer • Lead

Corona Placer

Past Producer • Clay

Corona Clay

Past Producer • Clay

Interpace

Past Producer • Clay

Alberhill Coal & Clay Co

Past Producer • Clay

Corona Division Quarry and Mill

Producer • Stone

Crestmore Mine

Past Producer • Limestone, General

Fletcher Claim

Occurrence •

Beatty

Occurrence •

Cottonwood

Occurrence •

Giant Chief

Occurrence •

Palen Mountain

Occurrence • Iron

Riverside Cement Company

Occurrence • Limestone, General

Fano Mine

Occurrence • Gemstone

Gold Cup Group

Occurrence • Gold

Gold Shot Mine

Occurrence • Gold

Sunrise Mine

Occurrence • Gold

Lio* Den Copper Claim

Occurrence • Copper

Matilda Group

Occurrence • Tungsten

Red Top Clay Deposit

Occurrence • Clay

Parkford Gypsum Deposit

Past Producer • Gypsum-Anhydrite

Dunn Asbestos Deposit

Past Producer • Asbestos

Iron Chief Mine

Past Producer • Gold

Mission Gold Mines

Past Producer • Gold

Roosevelt and Rainbow Group of Mines

Past Producer • Gold

Black Eagle and Newport Manganese Mines

Past Producer • Manganese

Red Bluff Fluorspar Deposit

Past Producer • Fluorine-Fluorite

Gypsum Canyon Gypsum Deposit

Producer • Gypsum-Anhydrite

Temescal Rock Quarry

Producer • Granite

Percival Asbestos Mine

Producer • Asbestos

Alice Mine

Producer • Gold

Garnet Queen Tungsten Mine

Past Producer • Tungsten

Pawnee Mine

Past Producer • Tungsten

Beal Mc Clellan Property

Producer • Manganese

Sanborn

Producer • Copper

Pinacate

Producer • Gold

Pinon-Dale

Producer • Gold

Ironwood

Producer • Manganese

Red Bluff Fluorspar Deposit

Producer • Fluorine-Fluorite

George Claims

Producer • Manganese

Nichols Magnesite Deposit

Producer • Magnesite

Sugar Loaf Pit

Producer • Granite

Pit

Producer • Granite

Pit

Producer • Granite

Peeris Mine

Producer • Gold

Golden Chariot Mine

Producer • Gold

Little Maggie Mine

Producer • Gold

Rainbow Slate Group

Producer • Slate, Dimension

Owens Claim

Producer • Gold

Hoag Mine

Producer • Gold

Blarney Stone Quarry

Producer • Stone, Crushed/Broken

El Cerrito Ranch

Producer • Gypsum-Anhydrite

Jameson Deposit

Producer • Gypsum-Anhydrite

Hagador Canyon Gypsum Dep

Producer • Gypsum-Anhydrite

Glen Ivy Hot Springs

Producer • Geothermal

Unnamed Prospect

Prospect • Gold

Shooting Star No. 1 Prospect

Prospect • Gold

Columbia Mine

Past Producer • Gemstone

Leon Mine

Past Producer • Gold

U-Thor Deposit

Prospect • Uranium

Unnamed Clay Prospect

Occurrence • Clay

Unnamed Prospect

Prospect • Gold

Baker Copper Co.

Occurrence • Copper

Riverside Co. Gravel Pit

Past Producer • Stone, Crushed/Broken

Unnamed Prospect

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Good Fairy

Prospect • Tungsten

Temescal Canyon Pit

Past Producer • Clay

Charleboix Asbestos

Past Producer • Asbestos

Robinhood No. 4

Prospect • Manganese

Thousand Palms Community Pit

Producer • Sand and Gravel, Construction

Sky Ranch Clay Mine-East Pit

Past Producer • Clay

Unnamed Prospect

Occurrence • Gold

Potrero Creek Deposit

Past Producer • Limestone, General

Glen Avon Limestone Deposit

Past Producer • Marble, Dimension

Rio Del Sol Pit

Past Producer • Sand and Gravel, Construction

Unnamed Prospect

Prospect • Gold

C and C Consolidated Mine

Prospect • Gold

Hidden Gold Mine

Past Producer • Gold

Gravel Pit

Past Producer • Sand and Gravel, Construction

Unnamed Prospect

Prospect • Gold

Magstone Products

Past Producer • Stone, Crushed/Broken

Williams Pit

Past Producer • Sand and Gravel, Construction

Unnamed Prospect

Prospect • Clay

Flat Top Mtn. Deposit

Past Producer • Sand and Gravel, Construction

Red Cloud Group

Past Producer • Gold

Black Warrior

Occurrence • Gold

Gold Rice Mine

Prospect • Gold

Fiery Shamrock

Occurrence • Copper

Beatty Claims

Occurrence • Tungsten

Unnamed Prospect

Prospect • Gold

Rusty Gold Mine

Past Producer • Gold

Highland Springs

Producer • Geothermal

Unnamed Silver Prospect

Occurrence • Silver

*rien Mine

Occurrence • Gold

Berdoo Adit Aggregate

Past Producer • Sand and Gravel, Construction

Jackson & Havens Deposit

Past Producer • Silica

Warren Deposit

Past Producer • Silica

Harlow Pit

Past Producer • Clay

Rich Gold Mine

Prospect • Gold

Matilda Group

Past Producer • Tungsten

Unnamed Silver Prospect

Occurrence • Silver

Lucky 3 Claim

Prospect • Uranium

Temescal Canyon Scheelite Occur.

Occurrence • Tungsten

Dalton Mine

Prospect • Gold

Sunshine

Occurrence • Gold

Maitri Road Pit

Producer • Sand and Gravel, Construction

Riverside Co. Gravel Pit

Past Producer • Stone, Crushed/Broken

Switzer Deposit

Past Producer • Clay

Home Gardens

Occurrence • Kyanite

Gravel Pit

Past Producer • Sand and Gravel, Construction

Blind Canyon Deposit

Past Producer • Stone, Crushed/Broken

Murphy Pit

Past Producer • Clay

Decomposed Granite Occurrence

Occurrence • Stone, Crushed/Broken

Harrington Pit

Past Producer • Clay

Grandaddy Mine

Prospect • Gold

Gravel Pit

Past Producer • Sand and Gravel, Construction

Wm Shelton Prospect

Occurrence • Uranium

Rubidoux Quarry

Past Producer • Stone, Crushed/Broken

Good Hope Group

Occurrence • Gold

Ragged Top Group

Prospect • Gold

Yucca Buttes Group

Occurrence • Gold

Onward Claim

Occurrence • Gold

Sierra Grande Quarries

Past Producer • Stone, Dimension

Green Hornet

Prospect • Copper

Sunrise Mine

Past Producer • Gold

Arlington Tunnel

Prospect • Gold

Sand Pit

Past Producer • Sand and Gravel, Construction

Silver Shilist

Occurrence • Copper

Mcconkey Claim

Occurrence • Gold

Airport Blvd. Pit

Producer • Sand and Gravel, Construction

Perris Asbestos Deposit

Past Producer • Asbestos

Unnamed Prospect

Prospect • Gold

Eagle Nest Mine

Past Producer • Copper

Silver Shine Claim

Prospect • Copper

Unnamed Prospect

Prospect • Gold

Big Cat Mine

Occurrence • Uranium

Hope Prospect

Past Producer • Gold

Ribbonwood Tungsten, Inc.

Past Producer • Tungsten

Unnamed Prospects

Prospect • Gold

Unnamed Wollastonite Occurrence

Occurrence • Wollastonite

Red Fox Prospect

Occurrence • Gold

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Yellow Stone Claim

Prospect • Manganese

New City Quarry

Past Producer • Limestone, General

Gilman Hot Springs

Producer • Geothermal

Unnamed Prospect

Prospect • Gold

Hopeful Mine

Unknown • Uranium

Unnamed Prospect

Prospect • Gold

Chocolate Drop Deposit

Past Producer • Clay

Oro Vista Mine

Prospect • Gold

Jean Mine

Past Producer • Gold

Unnamed Prospect

Prospect • Gold

Findley Prospect

Prospect • Clay

Midland Quarry

Past Producer • Gypsum-Anhydrite

Winchester Placer

Unknown • Gold

Catherine C. Mine

Past Producer • Asbestos

Old City Quarry

Past Producer • Stone, Crushed/Broken

Unnamed Tin Prospect

Prospect • Tin

Goldfields of America Mine

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Unnamed Gravel Pit

Past Producer • Sand and Gravel, Construction

Stringfellow Quarry

Past Producer •

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Tripp Flat Area

Occurrence • Silica

Manganese Canyon

Past Producer •

Rattler Prospect

Occurrence • Manganese

Great Western Exploration Co.

Occurrence • Perlite

Unnamed Prospect

Prospect • Silver

Agua Caliente Indian Land

Occurrence • Corundum

Copper Giant Mine

Prospect • Gold

Unnamed Quarry

Past Producer • Stone, Crushed/Broken

Northeast No. 1 Claim

Prospect • Uranium

Hexahedron Mine

Past Producer • Gold

Paint Mine

Past Producer • Iron

Nuevo Granite Quarry

Past Producer • Stone, Crushed/Broken

Blackshock Claims

Occurrence • Silver

Oro Mega

Past Producer • Lead

Oro Copio Mine

Prospect • Gold

Mammoth Group

Past Producer • Gold

Golden Crown

Prospect • Gold

Indio Rock Pit

Past Producer • Sand and Gravel, Construction

El Sobrante

Occurrence • Clay

Copper Occurrence

Occurrence • Copper

Orocopia Mine

Prospect • Gold

Mission Sweet Mine

Prospect • Gold

Standard Mine

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Sloan Pit

Past Producer • Fire Clay (Refractory)

Dr. Musick Mine

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Bill Rush Claims

Prospect • Gold

Golden Nugget Mine

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Reported Gemstone Occurence

Occurrence • Gemstone

Lucky Boy Claim

Prospect • Gold

Orofino ? Prospects

Prospect • Gold

Eureka Mine

Prospect • Gold

Unnamed Asbestos Occurrence

Occurrence • Asbestos

Oak Park Clay Prospect

Occurrence • Clay

Thackery-Pyster Claim

Occurrence • Copper

Minnie Prospect

Occurrence • Manganese

Mica Prospect

Prospect • Mica

Murrieta Hot Springs

Producer • Geothermal

Dawson Canyon Pit

Past Producer • Sand and Gravel, Construction

Sunray

Occurrence • Gold

Desert Hot Springs Ready Mix

Past Producer • Sand and Gravel, Construction

San Jacinto Pit

Past Producer • Sand and Gravel, Construction

Grubstake Mine

Prospect • Gold

Palisades Group

Occurrence • Lead

Lucky Boy Mine

Prospect •

Wrench Prospect

Prospect • Gold

Serpentine Hill

Occurrence • Asbestos

Morning Star Mine

Prospect • Gold

San Jacinto Pit

Past Producer • Sand and Gravel, Construction

Shepwells Pit No. 2

Past Producer • Sand and Gravel, Construction

Elki Claims

Prospect • Gypsum-Anhydrite

Rainbow Slate Group

Past Producer • Slate, Dimension

Aztec and Rainbow Claims

Past Producer • Gold

Fingal Deposit

Occurrence • Limestone, General

Boulder Claim

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Gravel Pit

Past Producer • Sand and Gravel, Construction

Unnamed Prospect

Prospect • Gold

Live Oak Tank Area

Occurrence • Uranium

Unnamed Asbestos Occurrence

Occurrence • Asbestos

Unnamed Stone Deposit

Past Producer • Feldspar

Fire Clay Group

Past Producer • Clay

American Encaustic Tiling Co.

Past Producer • Feldspar

Purple Hope

Prospect • Gold

Jacknife Group

Past Producer • Gold

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Hagador Canyon Gypsum Deposit

Past Producer • Gypsum-Anhydrite

Unnamed Prospect

Prospect • Gold

Unnamed Manganese Prospect

Occurrence • Manganese

El Cerrito Ranch

Past Producer • Gypsum-Anhydrite

Fano Mine

Past Producer • Gemstone

Parsons Mine

Past Producer • Manganese

Renrut-Neerg Claim

Past Producer • Gold

Gold Crown Mine

Prospect • Gold

Easy Pickins 1

Prospect • Gold

Olinger Deposit

Prospect • Gemstone

Cathy Jean Mine

Unknown • Gold

Lunnamed Prospect

Prospect • Gold

Ardanelle Claim

Prospect • Gold

Washington Mine

Past Producer • Gold

Unnamed Corundum Occurrence

Occurrence • Corundum

Big Maria Mountains Limestone Dep.

Past Producer • Stone, Crushed/Broken

Corona Quarry

Past Producer • Stone

Unnamed Gold Prospect

Prospect • Gold

Jacklin Mine

Prospect • Lead

Gravel Pit

Past Producer • Sand and Gravel, Construction

Unnamed Prospect

Prospect • Gold

Collins Prospect

Past Producer • Copper

Little Girl Prospects

Occurrence • Gold

Southern Pacific Co. Deposits

Past Producer • Limestone, General

Black Strike Claim

Prospect • Manganese

Big-Bullett Manganese Claims

Past Producer •

Agnes Wilson Quarry

Producer • Stone, Crushed/Broken

Unnamed Prospect

Prospect • Gold

Ida V. Mine

Past Producer • Mica

Unnamed Prospect

Prospect • Gold

Aztec Claim

Prospect • Tungsten

Eureka Group

Prospect • Gold

Hillerman Claim

Occurrence • Gold

Garnett Pit and Mill

Past Producer • Sand and Gravel, Construction

Valley Rock & Sand Corp.

Past Producer • Sand and Gravel, Construction

Langdon Claim

Occurrence • Gold

Borrow Pit

Past Producer • Sand and Gravel, Construction

Echo Valley Mine

Past Producer • Gold

Black Rock Deposit

Prospect • Tin

Scott Lode No. 1

Past Producer • Copper

North Star Claim

Occurrence • Gold

Argonaut Group

Prospect • Gold

Corona Rock Pit

Past Producer • Sand and Gravel, Construction

Outlaw Mine

Prospect • Gold

Little Mountain Claims

Prospect • Copper

Hansen Mine

Prospect • Gold

Palen Copper Claims

Prospect • Copper

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Dunn Asbestos Deposit

Prospect • Asbestos

Dillon Road Pit

Producer • Sand and Gravel, Construction

Sims Limestone Deposit

Prospect • Limestone, General

Hoag Mine

Past Producer • Gold

Iron Cap Claims

Prospect • Iron

Unnamed Prospect

Prospect • Gold

Shane Nos. 1-5

Unknown • Limestone, General

Iris Lode Claim

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Corona Pit

Past Producer • Stone

Perris Mine

Past Producer • Gold

Unnamed Prospect

Past Producer • Gold

Unnamed Prospect

Prospect • Gold

Brown Mine North

Prospect • Gold

Unnamed Mine

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Riverside Co. Gravel Pit

Past Producer • Sand and Gravel, Construction

Gladding, Mc Bean & Co. Corona Pl.

Past Producer • Clay

Temecula Sand Company Pit

Producer • Sand and Gravel, Construction

Figueroa Quarry

Producer • Stone, Dimension

Jordan Tile Manufacturing Co.

Past Producer • Clay

Rice Claims

Prospect • Gold

Sulphide Bismuth Mine

Past Producer • Iron

Augustine Mine

Prospect • Gold

Golten Group

Unknown • Gold

Unnamed Prospect

Prospect • Gold

Maitri Road Pit

Producer • Sand and Gravel, Construction

Master Sand Pit

Producer • Sand and Gravel, Construction

Blythe Cement Claims Nos. 1-5

Occurrence • Limestone, Dimension

Murrieta Pit

Past Producer • Sand and Gravel, Construction

Juan Diego Mine No. 2

Prospect • Semiprecious Gemstone

Temescal Water Company

Past Producer • Clay

Unnamed Prospect

Prospect • Gold

K & K Ranch

Occurrence • Feldspar

Corona Clay Pit

Past Producer • Clay

Unnamed Prospect

Prospect • Gold

Langdon Mine

Past Producer •

Shining Star Group

Occurrence • Arsenic

Indian Tungsten Mine

Prospect • Tungsten

Big Maria Pit Crawford

Producer • Sand and Gravel, Construction

Granite Mine

Past Producer • Gold

Fluorspar Group

Past Producer • Fluorine-Fluorite

Macleish Claim

Past Producer • Copper

Interpace

Past Producer • Clay

Brady Prospect

Prospect • Gold

Unnamed Quarry

Past Producer • Stone, Dimension

Mission Clay Products Pit

Past Producer • Clay

Park Claim

Prospect • Clay

Palo Verde Region

Occurrence •

Ebony Deposit

Occurrence • Manganese

Paddy Faulkner Claim

Occurrence •

Little Maria Mountains Wollastonit

Unknown • Wollastonite

Unnamed Prospect

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Liberty Group

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Beaumont Pit

Past Producer • Sand and Gravel, Construction

Great Western Mine

Prospect • Gold

International Pipe & Ceramics Corp

Past Producer • Clay

Noblette Manganese Claim

Occurrence • Manganese

Harris

Occurrence • Calcium

Red Top Clay Deposit

Prospect • Clay

San Jacinto Claim

Occurrence • Gold

Unnamed Prospect

Prospect • Gold

Lord

Past Producer • Iron

Alert Ranch

Occurrence • Feldspar

Unnamed Quarry

Past Producer • Stone, Dimension

Mecca Claim

Past Producer • Lead

Unnamed Prospect

Prospect • Gold

Mckinley Bill Claim

Occurrence • Gold

Gold Galena Mine

Prospect • Gold

Mountain Queen Mine

Past Producer • Gold

Surprise Canyon Clay Occurrence

Occurrence • Clay

Pinto Placers

Unknown • Gold

Massey Indian Avenue

Past Producer • Sand and Gravel, Construction

Unnamed Gold Prospect

Occurrence • Gold

Palisade

Past Producer • Copper

Unnamed Uranium Claims

Occurrence • Uranium

Coplin Pit

Past Producer • Stone, Crushed/Broken

Unnamed Prospect

Prospect • Gold

Gravel Pit

Past Producer • Sand and Gravel, Construction

Pinyon Mine

Past Producer • Gold

Hodges Mine

Prospect • Gold

Beauty Mountain Claim

Occurrence • Tungsten

Main Street Canyon Gypsum Deposit

Past Producer • Gypsum-Anhydrite

Shamrock Pit

Past Producer • Sand and Gravel, Construction

Unnamed Prospect

Prospect • Gold

Golden Chariot Mine

Past Producer • Gold

Nettleton Deposit

Occurrence • Silica

Bautista Canyon Pit

Producer • Sand and Gravel, Construction

Painted Hill Quarry

Past Producer • Sand and Gravel, Construction

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Garnet Queen Mine

Past Producer • Tungsten

Unnamed Prospect

Prospect • Gold

Sterling Mine

Prospect • Gold

Unnamed Prospect

Occurrence • Copper

Unnamed Marble Deposit

Occurrence • Stone, Crushed/Broken

Mt. Hole Quarries

Past Producer • Stone, Dimension

Chief of the Hills Group

Prospect • Tin

Vidal Lime Claim

Past Producer • Copper

Riverside Mountains Gypsum Deposit

Occurrence • Gypsum-Anhydrite

Philadelphia Recycling Mine

Producer • Sand and Gravel, Construction

Dorthy Ann

Occurrence • Gold

Black Ore Claim

Prospect • Gold

Fish Mine

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Crestmore Mine

Past Producer • Limestone, General

Unnamed Gravel Pit

Past Producer • Sand and Gravel, Construction

Uranium Ore Claims

Occurrence • Uranium

Orphan Boy Mine

Prospect • Copper

Ethel Mine

Occurrence • Gold

Stella Mine

Prospect • Gold

Audrey Lynn

Past Producer • Gemstone

Aguanga Pit

Past Producer • Sand and Gravel, Construction

Western States Stone Quarry

Producer • Limestone, General

Unnamed Prospects

Prospect • Gold

Corn Springs Placer

Unknown • Gold

Crestmore Quarry

Past Producer • Cement Rock

Horowitz Quarry

Producer • Sand and Gravel, Construction

Gold Prospects Near Dos Palmas

Occurrence • Gold

Cap Hunter Mine

Past Producer • Lead

Unnamed Prospect

Prospect • Gold

River View Pit

Producer • Sand and Gravel, Construction

Red Bird No. 1

Prospect • Gold

Evans Shafts

Prospect • Clay

Pawnee Mine

Past Producer • Tungsten

Unnamed Limestone Prospect

Occurrence • Limestone, Dimension

Emsco Pit

Past Producer • Clay

Dumbell Nos. 1 and 2

Occurrence • Tungsten

Unnamed Prospect

Past Producer • Gold

Mccoy Mountain Uranium

Unknown • Uranium

Rubidoux Hill Quarry

Past Producer • Stone, Dimension

Carbonate Blanket Group

Occurrence • Limestone, General

Southwest Pit

Past Producer • Sand and Gravel, Construction

Pinto Mine

Past Producer • Gold

Unnamed Iron Occurrence

Occurrence • Iron

Unnamed Prospect

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Ingersoll Mine

Prospect • Gold

Lakeview Inn Hot Springs

Producer • Geothermal

S. S. Mine

Past Producer • Gold

Annie Rooney

Occurrence • Gold

Unnamed Prospect

Prospect • Gold

Twin Springs

Occurrence • Clay

La Borde Deposit

Past Producer • Feldspar

Levy Quarry

Past Producer • Stone, Crushed/Broken

Oro Plomo

Unknown • Gold

Jense* Quarry

Past Producer • Marble, Dimension

Silt Deposit

Occurrence • Clay

Beal Mine

Prospect • Gold

Rainbows End Mine

Prospect • Copper

Gavilan Mine

Past Producer • Gold

Unnamed Prospect

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Pomona Ready Mix Concrete

Past Producer • Sand and Gravel, Construction

Golden Egg Mine

Past Producer • Gold

Lee Prospect

Prospect • Gold

Desert Center Mine

Past Producer • Lead

Cajalco Pit

Past Producer • Clay

Railroad Canyon

Occurrence • Silica

Thousand Palms Deposit

Past Producer • Sand and Gravel, Construction

Combination Prospect

Occurrence • Gold

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Gavilan Hills

Past Producer • Gold

Kroonen Clay Deposit

Prospect • Clay

Unnamed Quarry

Past Producer • Stone, Dimension

Prospector Claims

Prospect • Gold

Boss Mine

Prospect • Gold

3m Corona Quarry

Past Producer • Stone, Crushed/Broken

Lucky Boy Mine

Past Producer • Gold

Riverside Co. Gravel Pit

Past Producer • Stone, Crushed/Broken

Big Basin Copper Prospect

Prospect • Copper

Unnamed Prospect

Prospect • Gold

Fan Hill Canyon Deposit

Past Producer • Sand and Gravel, Construction

Cocktail Prospect

Prospect • Copper

Unnamed Gravel Pit

Past Producer • Sand and Gravel, Construction

Cabazon Pit

Past Producer • Sand and Gravel, Construction

Reliance

Occurrence • Gold

Juan Diego Mine No. 1

Prospect • Gemstone

Crescent Copper Group

Prospect • Gold

Grandview

Occurrence • Gold

Bendigo

Occurrence • Barium-Barite

Susie Placer

Past Producer • Clay

Schellinger Deposit

Occurrence • Limestone, General

Unnamed Prospect

Prospect • Gold

San Antonio Quarry

Past Producer • Stone, Dimension

Unnamed Iron Occurrence

Occurrence • Iron

Beal-Mcclellan Property

Past Producer •

Bernasconi Quarry

Past Producer • Stone, Crushed/Broken

Elsinore Joint Property

Occurrence • Clay

Moose Mine

Past Producer • Gold

Gravel Pit

Past Producer • Sand and Gravel, Construction

Jones Clay Deposit

Prospect • Clay

Model Mine

Past Producer • Gold

Findley Graphite Placer Mine

Prospect • Clay

Golden Harvest

Prospect • Gold

Black Dam

Unknown •

Red Bluff Fluorspar Deposit

Past Producer •

Unnamed Prospect

Prospect • Gold

Aztec Well Copper

Prospect • Copper

Riverside Quarries Co. Deposit

Past Producer • Slate, Dimension

Cajalico Quarry

Past Producer • Stone, Crushed/Broken

Unnamed Prospect

Prospect • Gold

Schindler Claims

Past Producer • Gemstone

Unnamed Prospect

Prospect • Gold

Smith Brothers Claim No. 4

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Best Ranch Deposit

Past Producer • Limestone, Dimension

Arlington Group of Mines

Past Producer •

Valley Transit Cement Co.

Past Producer • Sand and Gravel, Construction

Packard Well

Producer • Geothermal

Unnamed Prospect

Prospect • Gold

Arentz-Perkins

Unknown • Manganese

Alberhill Pit

Past Producer • Sand and Gravel, Construction

Arlington No. 3 Claim

Past Producer • Manganese

Liston Clay Pit

Past Producer • Clay

Desert Sunset

Past Producer • Stone, Dimension

Service Rock Co.

Past Producer • Sand and Gravel, Construction

Unnamed Prospect

Prospect • Gold

North Star Prospect

Occurrence • Gold

Nicolite Claim

Occurrence • Copper

Stone & Alexander Quarry

Past Producer • Feldspar

Lamb Canyon Deposit

Past Producer • Limestone, General

Cottonwood Springs Custom Mill

Producer • Gold

Gravel Pit

Past Producer • Sand and Gravel, Construction

Willow Mine

Unknown • Gold

Gravel Pit

Past Producer • Sand and Gravel, Construction

Palen Mountains Clay Deposit

Prospect • Clay

Binkle* Diggings

Prospect • Gold

Riverside Co. Gravel Pit

Past Producer • Stone, Crushed/Broken

J. W. Wilson Claims

Occurrence • Clay

Unnamed Prospect

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Unnamed Iron Occurrence

Occurrence • Iron

Mcclintock Pit

Past Producer • Clay

Alberhill Coal & Clay Co.

Past Producer • Clay

Lone Star

Occurrence • Gold

Champion Mine

Occurrence • Gold

Valley View

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Lost Angel Mine

Past Producer • Gold

Sloan Pit

Past Producer • Clay

Dominguez Lease Pit

Past Producer • Clay

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Randolph & Hamilton

Unknown • Copper

Unnamed Prospect

Prospect • Gold

Guiberson Deposit

Prospect • Limestone, General

Republican

Occurrence • Gold

Unnamed Clay Prospect

Occurrence • Clay

Bethel Mining & Leasing Co.

Unknown • Gold

Riley Materials Co.

Past Producer • Stone, Crushed/Broken

Palm Desert Rock and Sand Pit

Past Producer • Sand and Gravel, Construction

Temecula Quarry

Past Producer • Stone, Dimension

Top of the World Mine

Past Producer • Gold

Unnamed Prospect

Prospect • Gold

Storm Sulfide Deposit

Past Producer • Stone, Crushed/Broken

Twin Buttes No. 2 Mine

Prospect • Gold

Dillon Road Pit

Past Producer • Sand and Gravel, Construction

Unnamed Pit

Past Producer • Stone, Crushed/Broken

El Cerrito-Glen Ivy Pit

Past Producer • Sand and Gravel, Construction

Unnamed Prospect

Prospect • Gold

Palm Canyon

Past Producer • Limestone, General

Silver Scorpion Mine

Prospect • Gold

Goat Claims

Prospect • Talc-Soapstone

Unnamed Clay Pit

Past Producer • Clay

Atlas Pit

Past Producer • Clay

Corona Quarry

Past Producer • Sand and Gravel, Construction

Gravel Pit

Past Producer • Sand and Gravel, Construction

Delano Black Granite

Past Producer • Granite

Unnamed Prospect

Prospect • Gold

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Oehl Placer Claim

Prospect • Gold

Unnamed Gravel Deposit

Occurrence • Sand and Gravel, Construction

Gravel Pit

Past Producer • Sand and Gravel, Construction

Juaro Canyon Quarry

Past Producer • Stone, Crushed/Broken

Casa Blanca Quarries

Past Producer • Stone, Crushed/Broken

Wildomar Kaolin Deposit

Occurrence • Clay

Gold Rose Mine

Prospect • Gold

Palen Mountains Gypsum Deposit

Prospect • Gypsum-Anhydrite

Lucky Strike Mine

Prospect • Gold

Cow Bell Mine

Prospect • Gold

Double Eagle Claim

Occurrence • Gold

Ritchie & Paulson

Occurrence • Beryllium

Nason Street Pit

Past Producer • Stone, Crushed/Broken

Combination Quartz Claim No. 1

Prospect • Gold

New World Tungsten Mine

Past Producer • Tungsten

Palomsa Prospects

Prospect • Zinc

Little Yoyo Claims

Prospect • Gold

Eagle Mountain Mine and Plant

Past Producer • Iron

Unnamed Prospect

Prospect • Gold

Yeager Indio Hills Deposit

Past Producer • Sand and Gravel, Construction

Sunny Day Mine

Prospect • Garnet

Last Chance Mine

Prospect • Gold

Unnamed Corundum Prospect

Occurrence • Corundum

Blom Mine

Past Producer • Feldspar

Palo Verde Dam Quarries

Past Producer • Stone, Crushed/Broken

Maria Wash Placer

Occurrence • Gold

Harlow Quarry

Past Producer • Granite

Lum Gray Mine

Past Producer • Gold

Unnamed Prospect

Prospect • Gold

Soboba Hot Springs

Producer • Geothermal

Unnamed Prospect

Prospect • Gold

Palo Verde Group

Occurrence • Gold

Phillips Uranium Claims

Occurrence • Uranium

Riverside Co. Gravel Pit

Past Producer • Stone, Crushed/Broken

Golden Harvest

Prospect • Gold

Good Hope

Past Producer • Gold

Bray Mine

Past Producer • Manganese

Anita Mine

Past Producer • Semiprecious Gemstone

Gravel Pit

Occurrence • Sand and Gravel, Construction

Black Diamond Claim

Occurrence • Gold

Matich Pit

Past Producer • Sand and Gravel, Construction

Unnamed Prospect

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Blue Bell Consolidated

Prospect • Copper

Biddle Pits

Past Producer • Kaolin

Corona Mine

Past Producer • Silica

Mule Mountain Fire Agage Claims

Past Producer • Gemstone

Wardlow Shale Mine

Past Producer • Clay

Unnamed Prospect

Prospect • Gold

Banning Pit

Past Producer • Sand and Gravel, Construction

Maria Mountains Marl

Past Producer • Limestone, General

Mineral Canyon Nos. 5-7

Prospect • Iron

Gravel Pit

Past Producer • Sand and Gravel, Construction

Hidden Treasure Claims

Past Producer • Gold

Texas Mining Co., Riverside Plant

Past Producer • Silica

Unnamed Prospect

Prospect • Gold

Eagle Canyon Quarry

Past Producer • Sand and Gravel, Construction

Justice Mine

Past Producer • Gold

Unnamed Prospect

Prospect • Gold

Goods Mine

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Magnesium Canyon Tungsten Mine

Prospect • Tungsten

Unnamed Prospect

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Sand and Gravel Occurrence

Occurrence • Sand and Gravel, Construction

Hole Ranch Quarry

Past Producer • Stone, Crushed/Broken

Santa Rosa Mountain Prospect

Occurrence • Gemstone

Unnamed Pit

Past Producer • Stone, Crushed/Broken

White Star Claim

Occurrence • Gold

Leo Lorenzo Placer

Occurrence • Clay

Unnamed Prospect

Prospect • Gold

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Numk Prospect

Prospect • Gold

Grand Canyon Quarries

Past Producer • Stone, Dimension

Temescal Quarry

Past Producer • Limestone, General

Temescal Tin Mine

Past Producer •

Lost Horse Mine

Past Producer • Gold

Longshot Claims

Occurrence • Uranium

Lucky Strike Mine

Past Producer • Gold

Unnamed Prospect

Prospect • Gold

Manganese Occurrence

Occurrence • Manganese

Ohio Claims

Prospect • Gold

Gravel Pit

Past Producer • Sand and Gravel, Construction

Unnamed Prospects

Prospect • Gold

Little Pete Claim

Occurrence • Gold

Lang Silica Deposit

Prospect • Quartz

Bald Eagle Mine

Past Producer • Lead

Golden Key Claim

Past Producer • Gold

Dillon Road Pit

Past Producer • Stone, Crushed/Broken

Donna C

Occurrence • Tungsten

Senate

Occurrence • Gold

Independence Prospect

Prospect • Gold

Unnamed Prospect

Prospect • Gold

White Eagle Claims

Occurrence • Gold

Continental Mining & Develop. Co.

Occurrence • Copper

Arnold Heights Pit

Past Producer • Stone, Crushed/Broken

Golden Eagle Mine

Past Producer • Gold

Unnamed Dumortierite Occurrence

Occurrence • Kyanite

Regina

Occurrence • Copper

Dendrite Deposit

Prospect • Stone, Dimension

Butte Mine

Occurrence • Gold

Silver Bell Mine

Past Producer • Gold

Unnamed Mine Shafts

Prospect • Gold

Stone House Mine

Prospect • Gold

Pinto Lode Claim

Occurrence • Gold

Corona Mine

Past Producer • Gold

Steece Group

Past Producer • Gold

Jim Claims

Unknown • Copper

Gold Shot Mine

Prospect • Gold

Music Valley Deposit

Occurrence • REE

Pinkham Prospect

Occurrence •

Unnamed Prospect

Prospect • Gold

Aztec Mine

Occurrence • Copper

Mammoth Claims

Occurrence • Iron

Pacific Clay Borrow Pit

Producer • Sand and Gravel, Construction

Nichols Warm Spring

Producer • Geothermal

Quartz Outcrop

Occurrence • Quartz

Tully Deposit

Past Producer • Feldspar

Intermac Pit

Producer • Sand and Gravel, Construction

Unnamed Prospect

Prospect • Gold

Bonanza Crater Group

Occurrence • Gold

Hubbard Limestone

Past Producer • Limestone, Dimension

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Santa Ana River Pit

Past Producer • Sand and Gravel, Construction

Mystery Mine

Past Producer • Gold

Elton Mine

Prospect • Gold

Fontana Paving Co.

Past Producer • Stone, Crushed/Broken

Minnie Ha-Ha Claim

Occurrence • Gold

Alberhill Clay-Shale Prospect

Producer • Clay

Unnamed Quarry

Past Producer • Stone, Crushed/Broken

Pacific Clay Pits

Past Producer • Kaolin

Pelon

Prospect • Gold

Mountain Group Deposit

Past Producer • Antimony

Royal

Occurrence • Silver

Los Angeles Brick Company

Past Producer • Clay

Coronita Ranch Sand Deposit

Prospect • Silica

Unnamed Prospect

Prospect • Gold

Safranek Property

Occurrence • Uranium

Crescent Deposit

Prospect • Tungsten

Turner Deposit

Occurrence • Gypsum-Anhydrite

Orocopia Fluorspar Mine

Past Producer • Fluorine-Fluorite

Desert View Claim

Prospect • REE

Black Gold

Occurrence • Gold

Avalon Street Pit

Producer • Sand and Gravel, Construction

Pinto Chief Mine

Prospect • Gold

Big Horn Group

Prospect • Copper

El Dorado Mine

Past Producer • Gold

Midland Pit and Mill

Past Producer • Sand and Gravel, Construction

Smith Sand Pit

Past Producer • Silica

Silver Joe

Prospect • Copper

Unnamed Uranium Claims

Occurrence • Uranium

De Guerre Mines

Past Producer • Clay

Gravel Pit

Past Producer • Sand and Gravel, Construction

Unnamed Quarry

Past Producer • Stone

Peerless Nuclear Minerals Deposits

Prospect • Uranium

Santa Fe Group

Prospect • Gold

Gold Crown Mine

Past Producer • Gold

Massey Indio Hills Deposit

Past Producer • Sand and Gravel, Construction

Unnamed Prospect

Prospect • Gold

Sedco Pit

Producer • Stone, Crushed/Broken

Unnamed Prospect

Prospect • Gold

Kim Claims

Prospect • Gold

Riverside Co. Gravel Pit

Past Producer • Stone, Crushed/Broken

Grande Group

Unknown • Gold

Mcknight Mine

Past Producer • Clay

Santa Rosa Mine

Past Producer • Gold

Unnamed Andalusite Occurrence

Occurrence • Kyanite

Gravel Pit

Past Producer • Sand and Gravel, Construction

Unnamed Prospect

Prospect • Gold

Riverside Co. Gravel Pit

Past Producer • Stone, Crushed/Broken

White Gypsum Group

Past Producer • Gypsum-Anhydrite

Gravel Pit

Past Producer • Sand and Gravel, Construction

Galena No. 1

Occurrence • Copper

Unnamed Prospect

Prospect • Gold

Kady-Did

Occurrence • Gold

Grapevine Clay Mine

Past Producer • Clay

Hemet Magnesite Mine

Prospect • Magnesite

Iron Chief Mine

Past Producer • Gold

Molybdenite Occurrence

Occurrence • Molybdenum

Wrench Slate Prospect

Prospect • Slate, Dimension

Frank Hill Mine

Past Producer • Gold

Prospector Prospects

Occurrence • Gold

Caproni-Woock Groups

Past Producer • Uranium

Big Chief Deposit

Past Producer • Gypsum-Anhydrite

Brown Feldspar & Silica

Prospect • Feldspar

Louise Mine

Past Producer • Gold

Black Giant Deposit

Prospect • Iron

Corona Pacific Quarry

Past Producer • Stone, Crushed/Broken

Pouch Prospect

Prospect • Gold

Lucky Day

Occurrence • Uranium

Big Jim Prospect

Prospect • Gold

Union Pit

Producer • Sand and Gravel, Construction

Golden Rule Group

Prospect • Gold

Unnamed Clay Pit

Prospect • Clay

Virginia Queen

Occurrence • Manganese

Mountain Avenue Pit No. 2

Producer • Sand and Gravel, Construction

The Ardanelle Claim

Prospect • Gold

Doran Manganese

Unknown • Manganese

Storm King No. 5

Prospect • Gold

Ensley-Spaulding Deposit

Past Producer • Feldspar

Conduit Clay Placer

Prospect • Clay

White Prince Deposit

Prospect • Feldspar

Gold Point Mine

Past Producer • Gold

Navarro Quarry

Past Producer • Stone, Dimension

Golden Horn

Occurrence • Copper

Copper Point Mine

Prospect • Copper

Moore Limestone Deposit

Past Producer • Limestone, General

Big Maria Pit

Past Producer • Sand and Gravel, Construction

Unnamed Gold Mine

Prospect • Gold

Mission Creek Deposit

Past Producer • Sand and Gravel, Construction

Black Rock Claim

Prospect • Manganese

Nightingale Limestone

Past Producer • Limestone, General

Black Horse Group

Occurrence • Manganese

Riverside Cement Company

Past Producer • Limestone, General

Paymaster Mine

Prospect • Gold

A-1 Thousand Palms Pit

Producer • Sand and Gravel, Construction

Nonhof Deposit

Past Producer • Silica

Unnamed Prospect

Prospect • Gold

Unnamed Prospect

Prospect • Copper

Bankers Group of Mines

Occurrence • Gold

Sky Ranch Clay Company Deposits

Past Producer • Clay

Jack Rabbit Canyon Quarry

Past Producer • Sand and Gravel, Construction

Uranium Occurences

Occurrence • Uranium

Sunnyside

Prospect • Gold

Unnamed Gravel Deposit

Occurrence • Sand and Gravel, Construction

Holmes Ranch Deposit

Prospect • Tin

Gravel Pit

Past Producer • Sand and Gravel, Construction

Colorado Claim

Occurrence • Gold

Terra Cotta Eighty

Prospect • Clay

Castro ? Quarry

Past Producer • Stone, Crushed/Broken

Glamis Hot Spring

Producer • Geothermal

Tecumseh Group

Past Producer • Gypsum-Anhydrite

Revenue

Occurrence • Gold

Unnamed Prospect

Prospect • Gold

White Ridge Mine

Past Producer • Limestone, General

Pigeon Creek Millsite

Past Producer • Tungsten

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Unnamed Prospect

Prospect • Gold

Quandt Borrow Pit

Past Producer • Silica

Desert Gold Claims

Prospect • Gold

Desert King Mine

Prospect • Gold

Mule Mountains Claims

Occurrence • Uranium

Nichols Magnesite Deposit

Past Producer • Manganese

Little Maria

Occurrence • Iron

San Jacinto Rock Products Co.

Past Producer • Limestone, General

Unnamed Prospects

Prospect • Gold

Comanchero Mine

Prospect • Gold

Findley Feldspar Placer

Past Producer • Clay

South Pit

Past Producer • Clay

Waters Placer

Unknown • Gold

Gravel Pit

Past Producer • Sand and Gravel, Construction

Gold Dollar Mine

Past Producer • Gold

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Golden Bird Claim

Prospect • Gold

Blarney Stone Quarry

Past Producer • Stone, Crushed/Broken

Rigers Pit

Past Producer • Sand and Gravel, Construction

Ruby Lee Claim and Millsite

Occurrence • Gold

Riverside Co. Gravel Pit

Past Producer • Stone, Crushed/Broken

Morning Star Deposit

Plant • Gold

Bertha Group

Unknown •

Homestake Group

Past Producer • Copper

Unnamed Prospect

Occurrence • Lead

Alice Mine

Past Producer • Gold

Copper Star Claims

Prospect • Gold

Uranium Prospect

Unknown • Uranium

Lake View Prospect

Prospect • Gold

Whitewater Rock Pit

Past Producer • Sand and Gravel, Construction

Nelson Prospect

Occurrence • Gold

Unnamed Prospect

Prospect • Gold

Ramar Mine

Prospect • Gold

Riverside Portland Cement Company

Past Producer • Feldspar

Unnamed Prospect

Occurrence • Gold

Red Ocher Deposit

Unknown • Iron

Unnamed Prospect

Prospect • Gold

Jameson Quarry

Past Producer • Stone, Crushed/Broken

Eden Hot Springs

Producer • Geothermal

Dew Drop Prospect

Occurrence • Gold

Unnamed Quarry

Past Producer • Stone, Dimension

Riverside Mts. Manganese Deposit

Occurrence • Manganese

Hidden Canyon Claim

Occurrence • Gold

Porcupine

Occurrence • Gold

Unnamed Prospect

Prospect • Gold

Mccoy Mountain

Unknown • Copper

Unnamed Quarry

Past Producer • Stone, Dimension

Arlington-Blackjack Mine

Past Producer •

Jameson Deposit

Past Producer • Gypsum-Anhydrite

Iron Prospect

Unknown • Iron

Zulu Queen Mine

Past Producer • Gold

Black Eagle Mine

Past Producer • Lead

New Hemet Belle

Past Producer • Gold

Unnamed Prospect

Prospect • Gold

Ironwood No. 1 Prospect

Occurrence • Uranium

Unnamed Limestone Occurrence

Occurrence • Limestone, Dimension

Spider Web No. 1

Occurrence • Copper

Unnamed Prospect

Prospect • Gold

Unnamed Sand Pit

Past Producer • Sand and Gravel, Construction

Red Top Mine

Past Producer • Gold

Thurman Claims

Prospect • Gold

Glen Ivy Pit

Past Producer • Sand and Gravel, Construction

Unnamed Prospect

Prospect • Gold

Riverside Co. Gravel Pit

Past Producer • Stone, Crushed/Broken

Desert Rest

Occurrence • Gold

Gold Cup Group

Past Producer • Gold

South Boston Mine

Past Producer • Gold

Wido* Peak

Occurrence • Gold

Gravel Pits

Past Producer • Sand and Gravel, Construction

Bonnie Limestone

Unknown • Limestone, General

Novelle Limestone Deposit

Occurrence • Limestone, General

Spicer Silica Property

Prospect • Feldspar

Brokar Pit

Past Producer • Stone, Crushed/Broken

Black Eagle Placer

Unknown • Gold

Unnamed Gold Mine

Prospect • Gold

Thomas Clay Deposit East Pit

Past Producer • Clay

Long Hunt Nos. 1 and 2

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Quintet Claim

Prospect • Clay

Intermac Pit

Past Producer • Sand and Gravel, Construction

Bismuth

Occurrence • Gold

Lane Mine

Prospect • Gold

Gravel Pit

Past Producer • Sand and Gravel, Construction

New Eldorado Millsite

Producer • Gold

Hicks-Allred Indio Hills Deposit

Past Producer • Sand and Gravel, Construction

Unnamed Manganese Claims

Occurrence • Manganese

Unnamed Gravel Pit

Past Producer • Sand and Gravel, Construction

Barth Deposit

Past Producer • Gypsum-Anhydrite

Stanford Mine

Prospect • Gold

Captain Jinks Mine

Prospect • Gold

Maggie Mine

Past Producer • Gold

Unnamed Prospect

Prospect • Gold

Wier Feldspar

Prospect • Feldspar

Gold King Mine

Prospect • Gold

Golden Bee

Past Producer • Gold

Wichita & Yellow Dirt Mines

Past Producer • Gold

Whitlock Limestone Deposit

Occurrence • Limestone, General

Temescal Canyon Silica Sand

Past Producer • Silica

Mountaineer Mine

Past Producer •

Pacific Clay Product Plant

Unknown • Clay

Johnson Deposit

Past Producer • Mica

Sunny Boy Claim

Occurrence • Gold

Machado Deposit

Prospect • Feldspar

Unnamed Prospect

Prospect • Gold

Belt Mine

Past Producer • Copper

Unnamed Clay Pit

Past Producer • Clay

Crown Prince

Occurrence • Gold

San Mateo Canyon Prospects

Occurrence • Gold

Jumping Jack Claim

Prospect • Gold

Unnamed Claims

Occurrence • Uranium

Silberberger Quarry

Past Producer • Stone, Crushed/Broken

North Star Mine

Prospect • Gold

Morgan Ranch

Occurrence • Feldspar

Bloom Claim

Occurrence • Sodium

Fargo Canyon Talus Deposit

Past Producer • Sand and Gravel, Construction

Sievert Clay Prospect

Occurrence • Clay

Unnamed Mine Shaft

Prospect • Gold

Decorative Stone Deposit

Occurrence • Stone, Dimension

Levy Quarry

Past Producer • Stone, Crushed/Broken

Mayhew Canyon Pit

Past Producer • Sand and Gravel, Construction

Gilbert A. Morris

Prospect • Quartz

Unnamed Prospect

Occurrence • Copper

Bonanza/Kim Claims

Unknown • Uranium

Owens Claim

Prospect • Gold

Brown Silica Deposit

Past Producer • Silica

Dbl Claims

Occurrence • Uranium

Unnamed Prospect

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Blue Bird and Eagle

Occurrence • Tungsten

Desert Hot Springs

Producer • Geothermal

Sidebotham Quarry

Past Producer • Stone, Crushed/Broken

Blue-Gray Granite Quarry

Past Producer • Granite

Unnamed Prospect

Prospect • Gold

Moser Claims

Past Producer • Gold

Corona Pit

Past Producer • Sand and Gravel, Construction

Anderson Mine

Prospect • Copper

Dunn Deposit

Occurrence • Feldspar

Eden Hot Springs Deposit

Unknown • Limestone, Dimension

Meek Mine

Prospect • Gold

Jurupa Deposit

Past Producer • Silica

White Chief

Occurrence • Manganese

Free Coinage & Charity Mines

Occurrence • Gold

Unnamed Prospect

Prospect • Gold

Iron Prospect

Occurrence • Iron

Gold Crown Mine

Prospect • Gold

Brown Mine

Prospect • Lead

Unnamed Pit

Past Producer • Stone, Crushed/Broken

6 Mine

Past Producer • Kaolin

La Perida No. 1 Mine

Past Producer • Copper

Black Butte Mine

Prospect • Gold

Shepwells Pit No. 1

Past Producer • Sand and Gravel, Construction

Poulson Claim

Prospect • Gold

Big Maria Pit Shepwel*

Producer • Sand and Gravel, Construction

Blue Diamond and Eagle

Occurrence • Limestone, General

Romoland Group

Prospect • Gold

Cactus Hill Mine

Prospect • Copper

Los Angeles Mine

Past Producer • Gold

George Claims

Past Producer • Manganese

Dominguez Pit

Past Producer • Kaolin

Niagra Prospect

Occurrence • Gold

Phoenix Tungsten Prospect

Prospect • Tungsten

Assessment Pit

Unknown • Gypsum-Anhydrite

Gravel Pit

Past Producer • Sand and Gravel, Construction

Allen Placers

Unknown • Gold

Desert Queen Mine

Past Producer • Gold

Atlanta Mine

Prospect • Gold

Pigeon Creek Tungsten Mine

Occurrence • Tungsten

Unnamed Gold Mine

Prospect • Gold

Snowflake Mine

Past Producer • Iron

Coffee Mine

Prospect • Gold

Garbutt & Orcutt Deposit

Past Producer • Gypsum-Anhydrite

Douglas Pit

Past Producer • Fire Clay (Refractory)

Sugar Loaf Pit

Past Producer • Stone, Crushed/Broken

Unnamed Prospect

Prospect • Gold

Palen Mountains Talc Deposit

Prospect • Talc-Soapstone

Arroyo Del Toro Prospects

Occurrence • Gold

Freeman Clay

Prospect • Clay

Hager-Kale Claim

Unknown • Gold

Parkford Gypsum Deposit

Prospect • Gypsum-Anhydrite

Box Springs Quarry

Past Producer • Stone, Crushed/Broken

Gravel Pits

Past Producer • Sand and Gravel, Construction

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Big Maria Claims

Occurrence • Thorium

Ram Deposit

Prospect • Uranium

Marie Peak Limestone Deposit

Occurrence • Limestone, General

Brown Mine

Prospect • Gold

Cameron Marble Co.

Occurrence • Limestone, General

Groce Mine

Prospect • Manganese

Gravel Pit

Past Producer • Sand and Gravel, Construction

Gilson Prospects

Occurrence • Silver

Dale 3-X Brown Mine

Past Producer • Fluorine-Fluorite

Tubbs Claims

Prospect • Tungsten

Jackrabbit Pit

Past Producer • Sand and Gravel, Construction

Red Streak Mine

Prospect • Gold

Royal Black Granite Quarry

Past Producer • Granite

Colombo

Occurrence • Gold

Opulent Mine

Occurrence • Gold

Prado Pit

Past Producer • Sand and Gravel, Construction

Carlos Jr. Mine

Prospect • Gold

Corona Pit

Past Producer • Sand and Gravel, Construction

Riverside Co. Gravel Pit

Past Producer • Stone, Crushed/Broken

Hemet Silica Mine

Past Producer • Silica

Raimbow Mine

Prospect • Gold

Gravel Pits

Past Producer • Sand and Gravel, Construction

Coyote

Prospect • Gold

Unnamed Prospect

Occurrence • Gold

Alberhill Coal & Clay Co. Deposit

Past Producer • Clay

Omei Claim

Past Producer • Gypsum-Anhydrite

Liberation ? Mine

Prospect • Gold

Storm-Jade Mountain Nephrite

Prospect • Gemstone

Lead King

Past Producer • Lead

Black Warrior Mine

Past Producer • Gold

Chuckawalla Mine

Past Producer • Gold

Black Beauty

Occurrence • Manganese

Mrs Gold Prospect No. 1

Prospect • Gold

Palm Springs Canyon

Occurrence • Limestone, General

Unnamed Quarry

Past Producer • Stone, Crushed/Broken

Last Chance Feldspar and Silica

Occurrence • Feldspar

Moore Deposit

Prospect • Tin

Tenaja Canyon Mine

Unknown • Tungsten

Gravel Pit

Past Producer • Sand and Gravel, Construction

Waterloo

Occurrence • Gold

Elsinore Manganese Deposits

Prospect • Manganese

Schellenger Mine

Past Producer • Gold

Unnamed Gravel Pit

Past Producer • Sand and Gravel, Construction

Mammoth 7 Limestone Claim

Occurrence • Limestone, General

Copper Queen Mine

Past Producer • Copper

Whitestone Deposit

Occurrence • Limestone, General

Unnamed Silica Sand Occurrence

Occurrence • Silica

Lost Pony Mine

Past Producer • Gold

Unnamed Prospect

Prospect • Gold

Mobile Sand Company

Past Producer • Sand and Gravel, Construction

Mt. Edna Deposit

Occurrence • Limestone, General

Coahuila Mtn.

Occurrence • Kyanite

Great Eastern

Occurrence • Gold

Patterson Claim

Occurrence • Feldspar

Baby Blue Prospect

Prospect • REE

Unnamed Prospect

Prospect • Gold

Golden Bell

Past Producer • Gold

North Star Mine

Prospect • Gold

Mahew Canyon Pit

Past Producer • Sand and Gravel, Construction

Joh* Camp

Prospect • Gold

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Duplex Mine

Prospect • Gold

H & K Mine

Past Producer • Talc-Soapstone

Unnamed Clay Prospect

Prospect • Clay

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Diane Claim

Occurrence • Gold

Monarch

Occurrence • Gold

Snowcloud Mine

Past Producer • Gold

Mudy Prospect

Occurrence • Gold

Unnamed Prospect

Prospect • Gold

Groover Mine

Prospect • Lead

Hornet Claim

Occurrence • Limestone, General

Iron Chief Mine

Past Producer • Iron

Unnamed Prospect

Occurrence • Gold

Alice Mine

Past Producer • Gold

Hoist Pit

Past Producer • Clay

Unnamed Prospect

Prospect • Tungsten

Hornet Group

Prospect • Gold

Punch

Occurrence • Gold

Mastadon Mine

Past Producer • Gold

Temescal Canyon Pit

Past Producer • Silica

Pinto Mine

Prospect • Gold

Lucky Strike Mine

Prospect • Tungsten

Morton Clay Deposit

Past Producer • Clay

Riverside Co. Gravel Pit

Past Producer • Sand and Gravel, Construction

Unnamed Prospect

Prospect • Gold

Twin Buttes No. 1 Mine

Prospect • Gold

Calzona Mine

Prospect • Gold

Rockland No. 5

Past Producer • Stone

Unnamed Gravel Prospect

Occurrence • Sand and Gravel, Construction

Lucky Lady Group

Occurrence • Gold

Black Rock Deposit

Prospect • Tin

Ajax Prospect

Prospect • REE

Roosevelt Mine

Prospect • Gold

Eagle Canyon Gypsum Deposit

Past Producer • Gypsum-Anhydrite

Unnamed Prospects

Prospect • Gold

Shepwells Big Maria Deposit

Past Producer • Sand and Gravel, Construction

Sand and Gravel, Borrow Pits

Past Producer • Sand and Gravel, Construction

Miller Ranch Tungsten Deposit

Prospect • Tungsten

Musick Claim

Prospect • Gold

Lucky Jim Claim

Occurrence • Copper

Box Canyon Prospect

Unknown •

Unnamed Prospect

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Riverside Co. Gravel Pit

Past Producer • Stone, Crushed/Broken

Rose of Peru Mine

Past Producer • Gold

Thermal Pit

Producer • Sand and Gravel, Construction

Bonanza Lode

Prospect • Gold

Corona Lead-Zinc Mine

Past Producer • Lead

Motte Pit

Producer • Sand and Gravel, Construction

Maria Mountain Deposits

Past Producer • Gypsum-Anhydrite

Meek and Sass Mines

Occurrence • Gold

Grace Claims

Occurrence • Copper

Mountain King

Prospect • Gold

Unnamed Slate Quarry

Past Producer • Slate, Dimension

Black Reef

Occurrence • Copper

Unnamed Prospect

Past Producer • Gold

Katherine No. 2 Placer Claim

Prospect • Gold

Smith Sand Pit

Producer • Silica

Painted Hill Quarry

Past Producer • Flagstone

Rogers Pit

Past Producer • Sand and Gravel, Construction

Menifee Mine

Past Producer • Gold

Black Diamond Claim

Prospect • Manganese

Coahuila Brave Mine

Past Producer • Feldspar

Southern Pacific Deposit

Prospect • Feldspar

Dottie Welborn Claim

Prospect • Gold

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Bryan Mine

Past Producer • Gold

Unnamed Granite Quarry

Past Producer • Granite

Unnamed Pit

Past Producer • Stone, Crushed/Broken

Unnamed Metasandstone Quarry

Past Producer • Stone, Dimension

Arica Mountains

Past Producer • Limestone, General

Jumbo Mine

Past Producer • Gold

Palen Mountains Manganese Deposit

Occurrence • Manganese

Anaheim Group

Prospect • Gold

Nuisance Group

Prospect • Gold

Blue Boy & Black Mountain Groups

Past Producer • Tungsten

Barrel Tanks Placer

Past Producer • Gold

Ida-Leona Mine

Past Producer • Gold

Unnamed Prospect

Prospect • Gold

Parkwest Industrial Center Pit

Past Producer • Stone, Crushed/Broken

Sand and Gravel Deposit

Occurrence • Sand and Gravel, Construction

Golden Rod Mine

Past Producer • Gold

Cajalco Dumortierite Occurrence

Occurrence • Kyanite

Virginia Mine

Prospect • Gold

Palm Springs

Producer • Geothermal

Mission Gold Mine

Past Producer • Gold

Snowstone Claims

Unknown • Wollastonite

Unnamed Slate Quarry

Past Producer • Slate, Dimension

Milkyway Claims

Occurrence • Tungsten

Lookout Prospects

Occurrence • Gold

Corona Rock

Past Producer • Sand and Gravel, Construction

St. Joseph

Occurrence • Gold

Desert Rainbow Claims

Prospect • Gold

San Antonio Mine

Past Producer • Gold

Corona Placer

Past Producer • Clay

Indian Queen

Prospect • Gold

Hancock Clay Deposit

Past Producer • Clay

Black Ace Mine

Past Producer •

Anita Louise

Occurrence • Feldspar

Blue Goose

Past Producer • Gold

Liston Brick Company

Unknown • Clay

Hauser, Martin & Cheeseborough

Occurrence • Manganese

Mymine Mine

Occurrence • Gold

Aurora No. 1 Mine

Occurrence • Uranium

Pine Knot Deposit

Prospect • Mica

Margarita Prospects

Occurrence • Gold

Sinock Mine

Prospect • Gold

Lucky Dollar Mine

Past Producer • Gold

Unnamed Prospect

Prospect • Manganese

Pilger Estates Hot Springs

Occurrence • Geothermal

Lane Brothers

Past Producer • Granite

Chino Canyon Deposits

Occurrence • Limestone, General

Temecula Quarry

Past Producer • Granite

Gravel Pit

Past Producer • Sand and Gravel, Construction

Oxbow Group

Occurrence • Gold

Skeleton Canyon Clay Mine

Past Producer • Clay

Riverside Co. Gravel Pit

Past Producer • Stone, Crushed/Broken

Unnamed Prospect

Occurrence • Gold

Super Creek Claims Quarry

Past Producer • Stone, Dimension

Unnamed Prospect

Prospect • Gold

Sandstone Quarry

Occurrence • Flagstone

Gray Claim

Occurrence • Gold

Haven Granite Co. Quarry

Past Producer • Stone, Crushed/Broken

Carolina 1, 2, 3, 4

Occurrence • Gold

Smith Brothers Claim No. 1

Prospect • Gold

Morris Washington Deposit

Prospect • Gold

Helicross Mine

Prospect • Gold

Industrial Asphalt Co.-Corona Pl.

Past Producer • Sand and Gravel, Construction

Indian Copper Mine

Prospect • Copper

Unnamed Prospect

Prospect • Gold

Lindy Loop Deposit

Occurrence • Iron

Unnamed Clay Prospect

Occurrence • Clay

Bonanza

Prospect • Gold

Corona Pit

Producer • Sand and Gravel, Construction

Anna Bell Mine

Prospect • Gold

Gold Standard Mine

Past Producer • Gold

Sanborn Claim

Occurrence • Copper

Double Jack Claims

Prospect • Gold

Bedford Canyon Deposit

Past Producer • Clay

Thomas Shale Quarry

Past Producer • Limestone, General

Triangle Mine

Past Producer • Gold

Mountain King

Unknown • Copper

C.O.D. Mine

Past Producer • Gold

Orchid No. 2 Mine

Occurrence • Tungsten

Peterso* Claim

Prospect • Clay

Bundy-Murrieta Deposit

Prospect • Feldspar

Sandstone Occurrence

Occurrence • Flagstone

Gold Hill Mine

Prospect • Gold

Electric Copper and Gold Mine

Prospect • Copper

Ragsdale Property

Unknown • Tungsten

Tyle* Diggings

Occurrence • Gold

Tropico Tract

Past Producer • Clay

Temescal Rock Quarry

Past Producer • Stone, Crushed/Broken

Black Bird Mine-East Group

Prospect • Manganese

Big Maria Mts. Sand and Gravel

Unknown • Sand and Gravel, Construction

Black Canyon

Unknown •

La Escondida

Past Producer • Gold

Cactus Group

Prospect • Gold

Unnamed Prospect

Prospect • Gold

St. John Mine

Unknown • Copper

Unnamed Prospect

Past Producer • Gold

Kroger Manganese Claims

Prospect • Manganese

Alice Claim

Occurrence • Gold

Winfield No. 2

Past Producer • Copper

Thomas Clay Deposit, West Pit

Past Producer • Clay

Lucky Lady Claim

Past Producer • Gold

Figueroa Brothers Pit

Past Producer • Stone

4 * Prospect

Prospect • Molybdenum

National Paint & Color Co.

Past Producer • Iron

Whitecap Limestone Nos. 1 and 2

Occurrence • Limestone, General

Chuckwalla Spring Placers

Past Producer • Gold

Unnamed Prospects

Prospect • Gold

Sycamore Mines

Producer • Semiprecious Gemstone

Middlesworth Clay Deposit

Past Producer • Clay

Hoff Ganister Fire Brick Co.

Unknown • Clay

Mountain Avenue Pit No. 1

Producer • Sand and Gravel, Construction

Polly-Glacierstone Claims

Occurrence • Wollastonite

Unnamed Prospect

Prospect • Gold

Lake Elsinore Hotel Spring

Producer • Geothermal

Usg Wollastonite Mine

Past Producer • Wollastonite

Shannon Mine

Prospect • Gold

Agate Occurrrence

Occurrence • Gemstone

Hancoc* Brick Yard

Past Producer • Clay

Unnamed Gold Prospect

Prospect • Gold

Riverside Co. Gravel Pit

Past Producer • Stone, Crushed/Broken

Unnamed Prospect

Prospect • Gold

Gold Standard Mine

Prospect • Gold

Unnamed Prospect

Prospect • Gold

Unnamed Prospect

Prospect • Tin

Happy Jack Group

Prospect • Gold

Arlington District

Producer • Manganese

Santa Rosa Mountain Area

Producer • Tungsten