Browse mineral resources

Pala Chief Mine

Occurrence • Vanadium, Lead, Copper, Zinc

Woolsey

Occurrence • Molybdenum

Mayers Ranch, Scheckler

Occurrence • Molybdenum

Harvey Ranch

Occurrence • Molybdenum

Campo

Occurrence • Molybdenum

New Hope #2

Occurrence • Tungsten

Felden Deposit

Producer • Tungsten

Sundown Mine

Past Producer • Tungsten

Mica Gem

Occurrence •

Tourmaline King Pegmatite

Producer • Tantalum, Lithium, Gemstone

Stewart & Other Mines

Producer • Lithium, Bismuth

Otay Bentonite Deposit

Past Producer • Bentonite

Del Monte Prospect

Occurrence •

Jacumba Group

Occurrence •

Ramrod Deposit

Occurrence • Manganese

St. Catherine Claims

Occurrence • Manganese

Turner Prospect

Occurrence •

Owens

Past Producer • Gold, Copper

Beehive

Occurrence •

American Girl

Occurrence •

Silver Shine Prospect

Occurrence •

Unnamed Deposit

Occurrence •

Unnamed Deposit

Occurrence •

Pawnee

Past Producer • Tungsten

Los Coyotes Prospect

Occurrence •

Easy Group

Past Producer • Tungsten

Payoff Mine

Past Producer • Tungsten

Desert Star Mining Co.

Occurrence •

Long Deposit

Occurrence •

Unnamed Deposit

Occurrence •

Rys Deposit

Occurrence •

Unnamed Deposit

Occurrence •

Smitty Prospect

Occurrence •

Unnamed Deposit

Occurrence •

Live Oak Group

Past Producer • Tungsten, Gold

Best Yet Deposit

Occurrence •

Henderson Deposit

Occurrence •

Metal Mountain Mine

Past Producer • Tungsten

Last Dollar

Past Producer • Tungsten

Blackstone Prospect

Occurrence •

Carrizo Canyon Deposit

Occurrence •

Little Randsburg Prospect

Past Producer • Tungsten

Unnamed Deposit

Occurrence •

White Cloud Deposit

Occurrence •

Campo

Occurrence • Iron

Lakeview

Occurrence • Iron

Juch

Occurrence • Iron

Iron Master

Occurrence • Iron

Fernbrook

Occurrence •

Harvey Ranch

Occurrence •

Meyers Ranch

Occurrence •

Bour

Occurrence •

Old Ironsides Prospect

Occurrence •

Friday Mine

Occurrence • Copper, Nickel, Cobalt

Sunrise Mine

Occurrence • Manganese, Gold

Daley

Past Producer • Copper

Hoover Lakeside,Tunner

Producer • Gemstone

Hoover Lakeside,Tunner Deposit

Producer • Feldspar

Dehesa Operation

Past Producer • Sand and Gravel, Construction

Hesters Granite Pit

Producer • Granite

Hillside Materials Deposit

Producer • Granite

Jamuljamul Portland Cement Co

Past Producer • Limestone, General

Hatfield Creek Quarry

Producer • Stone

Blue Bell Deposit

Producer • Gemstone

Foster Quarry

Producer • Stone

Last Chance Mine

Producer • Gold

Summit and Summit Extension

Producer • Gold

Viejas Mtn Prospect

Producer • Gold

Black Eagle Mine

Producer • Gold

Chieftan Mine

Producer • Gold

Cleveland-Pacific Mine

Producer • Gold, Silver

Descanso Mine

Producer • Gold, Silver

Donohoe Mine

Producer • Gold

Eagle Mine

Producer • Gold

Eagle Nest Mine

Producer • Gold, Silver

Elevada & Aguajito Group

Producer • Gold

Ella Mine

Producer • Gold

Gold Cross Group

Producer • Gold

Gold King Group

Producer • Gold

Golden Chariot

Producer • Gold

Golden Gem Group

Producer • Gold

Granite Mountain Mine

Producer • Gold

Grapevine Star Mine

Producer • Gold

Helvetia Mine

Producer • Gold

High Peak Mine

Producer • Gold

Hillside Mine

Producer • Gold

Montezuma Group Mine

Producer • Gold

Verruga Deposit

Producer • Stone

Keystone Pilot

Producer • Gold

Owens Old Owensmine

Producer • Gold

Tom Scott Mine

Producer • Gold

Van Wert Van Wirt Mine

Producer • Gold

Washington Mine

Producer • Gold

Majestic Group

Producer • Gold

Warlock Group

Producer • Gold

San Felipe Mine

Producer • Gold

Empire Apex Claim

Producer • Gold

Hidden Treasure

Producer • Gold

Kentuck South

Producer • Gold

Madden Group

Producer • Gold

Padlock Claim

Producer • Gold

Ruby Claim

Producer • Gold

Redman

Producer • Gold

South Hubbard

Producer • Gold

Banner Horseshore Prospect

Producer • Gold

North Star Mine

Producer • Gold

Golden Sugar Mine

Producer • Gold

Friday Copper Co Claim

Prospect • Cobalt

Oreiflamme Mine

Producer • Gold

Harder Ranch Mine

Producer • Gold

Rose Quartz Mine

Producer • Gold, Silver

Lucky Chuck Mine

Producer • Gold

Pacific Mine Campo

Producer • Feldspar

North Star Group

Producer • Gold

Melba Group

Producer • Gold

The Noble Mines

Producer • Gold

Rose Quartz Group

Producer • Gold

Campo Milling Corp.

Past Producer • Sand and Gravel, Construction

Buckthorn Deposit

Producer • Feldspar

Crystal Gem Mine

Producer • Gemstone

Walker Deposit

Producer • Quartz

Gibson Deposit

Producer • Quartz

Hilton Deposit

Producer • Calcium

Kentucky S Group

Producer • Gold

Homestake Claim

Producer • Gold

Moore Deposit

Producer • Feldspar

Carson Ranch Placer Claim

Producer • Gold

White Cap Blockmandeposit

Past Producer • Limestone, General

Mcgee Quarry

Producer • Stone

Clark Mine

Producer • Quartz, Gemstone

Bear Deposit

Producer • Feldspar

Escondido Rock and Sand Co

Producer • Granite

Woodward Sand Co San Pasqual Opera

Past Producer • Sand and Gravel, Construction

Southern Calif Granite Co Quarryro

Producer • Granite

Calif Wire Sawyer Corp.

Producer • Granite

Waterman Granit Co Quarry

Producer • Granite

Gross Sand Deposit

Past Producer • Sand and Gravel, Construction

Rcp Pit and Mill

Past Producer • Sand and Gravel, Construction

Coston Const Co.

Producer • Granite

El Cajon Sand and Gravel Co.

Past Producer • Sand and Gravel, Construction

Acme Truck Co.Pit #2

Producer • Granite

Dave Martin Prospect Pit

Producer • Granite

Phillips Mine Chase Ranch

Producer • Gold

Parsonsorange Blossommine

Producer • Gold

Independent Stone Co Quarry

Producer • Stone

San Diego Stone Co.Quarry

Producer • Stone

Sierra Sand Plant

Past Producer • Sand and Gravel, Construction

Otay Operation

Past Producer • Sand and Gravel, Construction

Pala Chief Group

Producer • Gemstone

Frank A.Salmons Claim Green Cabin

Producer • Gemstone

Gem Starloughbaughmine

Producer • Gemstone

North Star Mines

Producer • Gemstone

Bly Stone Co

Producer • Stone

W H Peters Deposit

Producer • Granite

Escondido Quarries, Inc.

Producer • Granite

Bly Stone Co. Quarry

Producer • Granite

C.B.Grove Pit #2

Producer • Granite

Pit

Producer • Granite

Poway Operation

Past Producer • Sand and Gravel, Construction

Beeler Canyon Sand and Gravel Co.

Past Producer • Sand and Gravel, Construction

Los Penasquitos Canyon Deposits

Past Producer • Sand and Gravel, Construction

Nelson & Sloan #5 Operation

Past Producer • Sand and Gravel, Construction

Monarch Materials

Past Producer • Sand and Gravel, Construction

Fletcher Quarries

Producer • Stone

Canyon Rock Co.Plant and Quarry

Producer • Stone

American Sand Co.

Past Producer • Sand and Gravel, Construction

Mission Sand Co.

Past Producer • Sand and Gravel, Construction

Mission Valley Operation

Past Producer • Sand and Gravel, Construction

Fenton Material Deposit

Past Producer • Sand and Gravel, Construction

Sweetwater Sand Deposit

Past Producer • Sand and Gravel, Construction

Nelson & Sloan Pit

Past Producer • Sand and Gravel, Construction

Otay Operation #1

Past Producer • Sand and Gravel, Construction

Nelson & Sloan Pit

Past Producer • Sand and Gravel, Construction

Sand Pit

Past Producer • Sand and Gravel, Construction

Galbrath Quarry

Producer • Granite

John Knox Deposit

Producer • Granite

Fellows and Clutter Quarry

Producer • Granite

D G Bryant Quarry

Producer • Granite

San Marcos Pit

Producer • Granite

Greenstone Quarry

Producer • Stone

Harris Deposit

Producer • Aluminum

Stoner Prospect

Producer • Gold

Schier Clay Deposits

Prospect • Clay

Crystal Silica Company

Producer • Silica

Marrow Quarry

Producer • Stone

Kelly Ranch Mine

Past Producer • Clay

Sorrento Sand Co Deposit

Past Producer • Sand and Gravel, Construction

La Jolla Clay Products Co.

Past Producer • Clay

Carlsbad Rock and Sand Co.

Past Producer • Sand and Gravel, Construction

H W Rohl Deposit

Past Producer • Sand and Gravel, Construction

Camp Pendleton Quarry

Past Producer • Sand and Gravel, Construction

You Bet Group

Producer • Gold

San Pasqual Pit and Mill

Past Producer • Stone, Crushed/Broken

Miramar Pit and Plant

Past Producer • Sand and Gravel, Construction

Slaughter House Canyon

Past Producer • Sand and Gravel, Construction

Conrock Company Lakeside Plant

Past Producer • Sand and Gravel, Construction

Campo

Occurrence •

Clark Prospect

Occurrence •

Machado Prospect

Occurrence •

Clark Prospect

Occurrence •

Palomar

Past Producer • Tungsten

Encinitas

Past Producer • Copper

Teuscher Prospect

Past Producer • Tungsten

Dyche Valley Mine

Past Producer • Tungsten

Crown Point Mine

Past Producer • Tungsten

Pioneer Mine

Producer • Talc-Soapstone

Bour Mine

Producer • Molybdenum

Stewart Pegmatite

Producer • Niobium (Columbium), Tantalum, Lithium

Vanderburg - Katerina Pegmatite

Producer • Niobium (Columbium), Tantalum, Lithium, Gemstone

Julian

Producer • Gold

Mcgrath Pit #2

Producer • Granite

Red Rose Quarry

Producer • Quartz

Mcginty Mtn Deposit Dehesa Cornty

Producer • Feldspar

Shenandoah Mine

Producer • Gold

Lookout Project

Producer • Gemstone

Pearson Deposit

Producer • Feldspar

Pride of the West Mine

Producer • Gold

Lookout Group

Producer • Gold

Spanish Bayonet Deposit

Producer • Feldspar

Lowrey Deposit

Producer • Quartz

Boulder Creek Group

Producer • Gold

Cincinnati Belle Mine

Producer • Gold

Coleman Creek Placer Deposits

Producer • Gold

Ready Relief

Producer • Gold

Jumper Mine Hussayhamda

Producer • Gold

Ranchito Mine

Producer • Gold

Lucky Strike Mine

Producer • Gold

Stonewall Stonewall Jackson

Producer • Gold

Gold Bellar # 1 & 4 Claims

Producer • Gold

Schley Group

Producer • Gold

Mine

Producer • Gold

Montana Group

Producer • Gold

Telluride Group Triluride

Producer • Gold

Tres Amigos Mine

Producer • Gold

Undetermined Prospect

Producer • Gold

Ruby Group

Producer • Beryllium

Ward and Williams Deposit

Producer • Feldspar

White Butte Deposit

Producer • Quartz

Risley Burroughs Deposit

Producer • Quartz

Roberts and Peelerpeeler & Roberts

Producer • Strontium

Weaver Deposit

Producer • Stone

Mcguffie Foundation Deposit

Producer • Stone, Crushed/Broken

Hubble Weaverdeposit

Producer • Stone

Mack Mine

Producer • Gemstone

Victor Mine

Producer • Gemstone

San Pasqual Pit

Producer • Granite

Cameron and Deering

Producer • Granite

National,Quarriesjohnson Brothers

Producer • Granite

Atchison

Producer • Granite

Meyer Granite Quarries

Producer • Granite

Mckoon Quarry

Producer • Granite

American Mable & Granite Works

Producer • Granite

Simpson Pirnie Granite Co.

Producer • Granite

Moore Quarry Charles G.

Producer • Granite

C B Grove Deposit--Pit #1

Producer • Granite

San Diego Cement Co.Operation

Producer • Granite

Spar King Deposit

Producer • Feldspar

Homestore Prospect

Producer • Gemstone

Mission Mine

Producer • Gemstone

Crescent Mine

Producer • Gold

Oro Fino El Diablo Mine

Producer • Gold

John Stridsbery Quarries

Producer • Granite

Van Deventer Quarry

Producer • Granite

Poway Pit

Producer • Granite

Golden Co.Inc.

Producer • Stone

Pomona Granite Co.Quarries

Producer • Granite

Texas Quarries

Producer • Granite

Ted Lee Deposit

Producer • Granite

Vista Black Granite Quarry

Producer • Granite

Pete Matson Quarry

Producer • Granite

Carmean Quarry

Producer • Stone

Stone Quarry

Producer • Stone

Decomposed Granite Pit

Producer • Granite

E.E.Cowdrey Pit

Producer • Granite

Ponto Beach Deposit Abizaid

Producer • Stone, Crushed/Broken

North Star Mine

Past Producer • Gold

Canyon Rock Co. Plant and Quarry

Past Producer • Sand and Gravel, Construction, Stone, Crushed/Broken

Lucky Chuck Mine

Past Producer • Gold

Border Highlands Pit

Past Producer • Sand and Gravel, Construction

Jacumba Copper Co. Prospect

Prospect • Feldspar

Meadowlark Ranch Quarry

Past Producer • Stone, Crushed/Broken

Dorothy and Pearl Claims

Past Producer • Clay

Mayars Ranch Deposit

Occurrence • Molybdenum

Olswick Prospect

Prospect • Thorium

Santee Materials

Past Producer • Sand and Gravel, Construction

St. Catherine Claim

Unknown • Manganese

Poway Operation

Past Producer • Sand and Gravel, Construction

Borrego Springs

Producer • Geothermal

Lake Hodges Pit

Past Producer • Sand and Gravel, Construction

Uranium Occurence

Occurrence • Uranium

Townsite Prospect

Prospect • Gold

Caltrans Quarry

Past Producer • Stone, Crushed/Broken

Mother Lode and Princess Claims

Occurrence • Gold

Moore Pit

Producer • Granite

Unnamed Gravel Pit

Past Producer • Sand and Gravel, Construction

Black Canyon Deposit

Past Producer • Feldspar

Mesa Grande Mine

Past Producer • Semiprecious Gemstone

Cameron Corners Pit

Producer • Stone, Crushed/Broken

Unnamed - 1

Occurrence • Silica

Lucky Pardner Mine

Occurrence • Gold

Grapevine Prospect

Occurrence • Gold

Van Wert Mine

Past Producer • Gold

Ledge Lode Prospect

Prospect • Gold

Bradburry Prospect

Prospect • Lead

Desert Queen Group

Occurrence • Gold

Gravel Pit

Past Producer • Sand and Gravel, Construction

Unnamed Borrow Pit

Past Producer • Sand and Gravel, Construction

Fanning

Prospect • Silica

Harris Deposit

Past Producer • Talc-Soapstone

Clark Lake

Occurrence • Boron-Borates

Phase 2 Pit

Past Producer • Sand and Gravel, Construction

San Diego Quarry

Past Producer • Granite

Sweetman Deposit

Occurrence • Silica

Santa Rosa Mts. Deposits

Occurrence • Limestone, General

Old Noble Mine

Unknown • Gold

Hughes Acreage

Prospect • Lead

Nelson & Sloan No. 5 Operation

Past Producer • Sand and Gravel, Construction

Mcginty Mountain Deposit

Past Producer • Feldspar

Dehesa Deposit

Occurrence • Stone, Dimension

Henderson Deposit

Prospect • Tungsten

Los Penasquitos Canyon Deposit

Past Producer • Sand and Gravel, Construction

Osage Prospect

Occurrence • Gold

Rose Quartz Mine

Past Producer • Gold

Carlsbad Deposit

Prospect • Feldspar

Wyroc Plant

Past Producer • Sand and Gravel, Construction

Evans Point Deposit

Past Producer • Stone

Sweetwater Reservoir Sand Pit

Past Producer • Sand and Gravel, Construction

Carlsbad Pit

Past Producer • Stone, Crushed/Broken

Green Ledge Mine

Past Producer • Semiprecious Gemstone

Happy Land Mine

Prospect • Beryllium

Hoover

Past Producer • Feldspar

Thing Valley Road Pit

Past Producer • Sand and Gravel, Construction

San Pasqual Plant

Unknown • Sand and Gravel, Construction

A.M.E. Quarry

Past Producer • Stone, Crushed/Broken

Moore Deposit

Past Producer • Feldspar

Pride of the West Mine

Past Producer • Gold

Twin Oaks Quarry

Past Producer • Stone, Crushed/Broken

Dehesa Dumortierite Deposit

Prospect • Kyanite

Rys Deposit

Prospect • Tungsten

Anchor Prospect

Prospect • Gold

Gilson Prospect

Prospect • Copper

Bour Deposit

Prospect • Molybdenum

Round Potrero Deposit

Occurrence • Silica

Pala Plant

Past Producer • Sand and Gravel, Construction

Talley Group

Occurrence • Nickel

R. C. P. Pit No. 2

Past Producer • Sand and Gravel, Construction

Charles G. Moore Quarry

Past Producer • Granite

Monte Vista Pit

Producer • Granite

Clark Mine

Prospect • Gold

Taylor Pit

Past Producer • Sand and Gravel, Construction

Long Valley Placer Deposits

Past Producer • Gold

Sweetwater Sand Co.

Past Producer • Sand and Gravel, Construction

Union Brick Company Mine, West Pit

Past Producer • Clay

Pala Pit

Producer • Sand and Gravel, Construction

Independent Stone Co. Quarry

Past Producer • Stone, Crushed/Broken

Last Chance Claim

Occurrence • Gold

Mason Valley Mine

Prospect • Tungsten

Cota Mine

Past Producer • Semiprecious Gemstone

Gravel Pit

Past Producer • Sand and Gravel, Construction

Foster Quarry

Past Producer • Stone, Crushed/Broken

Jaques Prospect

Occurrence • Gold

Coston Construction Co.

Past Producer • Stone, Crushed/Broken

Hi-Hope Ranch Pit

Past Producer • Stone, Crushed/Broken

Cliff Prospects

Prospect • Gemstone

Unnamed Quarries

Past Producer • Sand and Gravel, Construction

Trask Mine

Past Producer • Semiprecious Gemstone

Pala Chief Group

Past Producer • Gemstone

Coast Sand Pit

Producer • Sand and Gravel, Construction

Rohl, H. W. Co.

Past Producer • Sand and Gravel, Construction

Gross Sand Deposit

Past Producer • Sand and Gravel, Construction

Pala Sand Plant

Past Producer • Sand and Gravel, Construction

Clover Flat Pit

Past Producer • Sand and Gravel, Construction

Gold Standard Prospect

Occurrence • Gold

Vernon Group

Occurrence • Gold

Imperial

Occurrence • Gold

Gravel Pit

Past Producer • Sand and Gravel, Construction

Golden Gem Group

Past Producer • Gold

Banner Creek Placer Deposits

Occurrence • Gold

Bartling & Nelson Deposit

Occurrence • Tungsten

West Canyon Prospect

Occurrence • Gemstone

Ennis Pit

Past Producer • Sand and Gravel, Construction

Moretti Pit

Producer • Stone, Crushed/Broken

Parsons Mine

Past Producer • Gold

Banner Queen Prospect

Prospect • Gold

American Queen

Occurrence • Copper

Elder Canyon Deposits

Past Producer • Semiprecious Gemstone

Rose Quartz Mine

Past Producer • Quartz

Gem Star Mine

Past Producer • Gemstone

Casseopia

Unknown • Tungsten

Cameron-Deering Quarries

Past Producer • Granite

Good Shepard Prospect

Occurrence • Gold

Atomic Flat Group

Prospect • Uranium

Gravel Pit

Past Producer • Sand and Gravel, Construction

Stoner Prospect

Prospect • Gold

Jamul Quarry

Producer • Stone, Crushed/Broken

Western Black Vista

Unknown • Granite

Lakeside West Pit

Past Producer • Sand and Gravel, Construction

Red Rose Quarry

Past Producer • Stone, Dimension

Ready Relief Mine

Past Producer • Gold

Andes Prospect

Prospect • Gold

Sim J. Harris Rock Plant

Past Producer • Sand and Gravel, Construction

Butterfly Prospect

Occurrence • Gemstone

Fernbrook Deposit

Prospect • Molybdenum

Walker Deposit

Past Producer • Quartz

Crystal King Prospects

Occurrence • Gemstone

Unnamed

Prospect • Nickel

Stonewall Mine

Past Producer • Gold

Eagle Mine

Past Producer • Gold

Happy Hooligan Prospect

Occurrence • Gemstone

Wettleson Prospect

Prospect • Gold

Monarch Mine

Prospect •

Coarse Gold Prospect

Prospect • Gold

Clark Mine

Prospect • Copper

Machado Prospect

Occurrence • Manganese

Woodward Sand Plant

Producer • Sand and Gravel, Construction

Morris Clay Deposit

Prospect • Clay

Knox, John, Vista

Past Producer • Stone, Crushed/Broken

Unnamed Prospect

Occurrence • Gold

Carrizo Canyon Deposit

Prospect • Tungsten

Sheephead Truck Trail Deposit

Prospect • Stone

Heste* Granite Pit

Past Producer • Stone, Crushed/Broken

Border Pit

Past Producer • Sand and Gravel, Construction

Cedar Creek Mine

Prospect • Lead

Clark Prospect

Prospect •

Palomar

Unknown • Tungsten

Desert Star Mining Co

Past Producer • Tungsten

Foster Quarry

Past Producer • Granite

Kelly Ranch Mine

Past Producer • Stone, Dimension

Genger Pit

Past Producer • Stone, Crushed/Broken

White Rose Deposit

Past Producer • Feldspar

Birch Pit

Unknown • Sand and Gravel, Construction

Sunrise Mine

Prospect •

Magee Quarry

Past Producer • Stone, Dimension

Schier Clay Deposit

Past Producer • Clay

Harper Ranch Mine

Past Producer • Gold

Companion No. 1 Deposit

Prospect • Iron

Golden Lola Prospect

Occurrence • Gold

Carlsbad Rock and Sand Co.

Past Producer • Sand and Gravel, Construction, Stone, Crushed/Broken

Unnamed Prospect

Occurrence • Wollastonite

Shenandoah Mine

Past Producer • Gold

Otay Operation No. 3

Past Producer • Sand and Gravel, Construction

Clark Lake Deposits

Occurrence • Silica

Francis Claim

Occurrence • Gemstone

South Coast Asphalt Quarry

Past Producer • Stone, Crushed/Broken

Lucky Strike Group

Prospect • Gold

Unnamed Borrow Pit

Past Producer • Sand and Gravel, Construction

Grapevine Star Mine

Past Producer • Gold

Dewey Mine

Occurrence •

Ruby Prospect

Occurrence •

Herma Prospect

Occurrence • Gold

Cottonwood Golf Course Pit

Past Producer • Sand and Gravel, Construction

Stewart Extension Prospect

Occurrence • Gemstone

Calac Prospect

Past Producer • Gemstone

Deer Park Group

Occurrence • Gold

Butte No. 2 Prospect

Occurrence • Gold

Haborlite Corporation

Past Producer • Perlite

French Pete

Past Producer • Semiprecious Gemstone

Consolidated Placer Mining Claim

Occurrence • Gypsum-Anhydrite

Dave Martin Pro. Gravel

Unknown • Granite

Harvey Ranch Deposit

Occurrence • Molybdenum

Unnamed Prospect

Occurrence • Iron

Carrizo Gorge Deposit

Occurrence • Wollastonite

Unnamed Claim

Occurrence • Tin

Mission Sand Co. Nelson and Sloan

Past Producer • Sand and Gravel, Construction

Portuguese Flat

Past Producer • Salt

Unnamed Prospect

Prospect • Tungsten

Pioneer Deposit

Past Producer • Talc-Soapstone

Cash Entry Group

Occurrence • Gold

Mesa Grande Deposit

Prospect • Feldspar

Teuscher Prospect

Past Producer • Tungsten

R. C. P. Pit No. 3

Past Producer • Sand and Gravel, Construction

Mcfall Mine

Past Producer • Garnet

San Diego Stone Co. Quarry

Past Producer • Stone, Crushed/Broken

Grand View No. 1 Claim

Occurrence • Gold

Golden Crown Claim

Occurrence • Gold

Silver Queen Claim

Occurrence • Gold

San Clemente Project

Past Producer • Sand and Gravel, Construction

Prospects

Occurrence • Gemstone

Pine Tree Prospect

Occurrence • Gold

Seyer Deposit

Prospect • Graphite

Unnamed Prospect

Occurrence • Gemstone

Otay Ranch Pit

Past Producer • Sand and Gravel, Construction

Macaboy Claim

Occurrence • Gold

Unnamed Prospect

Prospect • Gold

American Marble and Granite Works

Past Producer • Granite

Twin Oaks Pit

Unknown • Stone, Crushed/Broken

Silent King Prospect

Occurrence • Gold

Elk and Landslide Deposit

Prospect • Gold

Atkison Pit

Past Producer • Stone, Crushed/Broken

Raymond Mcfilvray Corp. Quarry

Past Producer • Granite

Mack Mine

Past Producer • Gemstone

Mission Valley Pit

Past Producer • Sand and Gravel, Construction

Hickory Jim Mine

Occurrence • Gold

Grey Pit

Past Producer • Sand and Gravel, Construction

White Cap Deposit

Past Producer • Limestone, General

Montana Group

Prospect • Gold

Coyote Mountain Deposit

Prospect • Limestone, Dimension

Lakeside Pit

Past Producer • Sand and Gravel, Construction

Kitty Kay Group

Occurrence • Gold

Last Canyon Mine

Prospect • Strontium

Hilton Deposit

Past Producer • Calcium

Hercules Prospect

Past Producer • Semiprecious Gemstone

Blackstone Prospect

Prospect • Tungsten

Little Three Mine

Past Producer • Semiprecious Gemstone

Del Monte Prospect

Occurrence •

Acme Truck Co., Pit No. 2

Past Producer • Stone, Crushed/Broken

Esmeralda Mine

Past Producer • Gemstone

Greenstone Quarry

Past Producer • Stone, Crushed/Broken

Woodward Base of Operations

Past Producer • Sand and Gravel, Construction

Crestline and Gem Spar Claims

Prospect • Feldspar

Hogerman Property

Prospect • Beryllium

National Gypsum Company Deposit

Prospect • Gypsum-Anhydrite

Moonlight Beach Deposit

Occurrence • Gemstone

Lee, Ted, Vista

Past Producer • Stone, Crushed/Broken

Mcguffie Foundation Deposit

Past Producer • Pumice

Unnamed-3

Prospect • Silica

Unnamed Quarry

Past Producer • Stone

Tres Amigos Mine

Past Producer • Gold

Valentine Mine

Occurrence • Gold

Lucky Strike Claim

Occurrence • Gold

Klondike Claim

Occurrence • Gold

Keystone Pilot

Prospect • Gold

Dos Cabezas Mine

Prospect • Gemstone

Lakeview Deposit

Prospect • Iron

Murray Canyon Plant

Past Producer • Sand and Gravel, Construction

Mission Mine

Past Producer • Gemstone

Unnamed Prospect

Prospect • Manganese

Golden Sugar Mine

Prospect • Gold

Escondido Quarries, Inc.

Past Producer • Granite

Fellows and Clutter Quarry

Past Producer • Stone, Crushed/Broken

Overlook Deposit

Prospect • Feldspar

Bly Stone Co. Quarry

Past Producer • Granite

San Pasqual Pit

Past Producer • Sand and Gravel, Construction

Lucky Baldwin

Prospect • Gold

Brown Trucking Dg Pit

Past Producer • Stone, Crushed/Broken

Bonsall Pit

Past Producer • Sand and Gravel, Construction

Unnamed-2 Prospect

Occurrence • Silica

Weir Pit

Past Producer • Sand and Gravel, Construction

Pilz Deposit

Prospect • Feldspar

Sickler Group

Occurrence • Gemstone

Tom Scott Mine

Past Producer • Gold

The Noble Mines

Past Producer • Gold

Maple Lode Mine

Past Producer • Semiprecious Gemstone

Majestic Mine Group

Past Producer • Gold

Golden Chariot Mine

Past Producer • Gold

Bloodstone Mine

Prospect • Gold

Ester Group

Occurrence • Gold

Morning Star Mine

Prospect • Gold

Buckthorn Deposit

Past Producer • Feldspar

Laguna Mtns Placers

Past Producer • Tin

Doolittle Group

Prospect • Gold

White Queen

Producer • Semiprecious Gemstone

Round Mountain Deposits

Prospect • Silica

Pala Deposit

Past Producer • Granite

San Diego Molding Sand Co.

Past Producer • Sand and Gravel, Construction

Faubus Pit

Past Producer • Sand and Gravel, Construction

Kuebler Ranch Deposit

Occurrence • Limestone, General

Lynch Prospect

Past Producer • Stone, Crushed/Broken

Union Brick Co. Mine, East Pit

Past Producer • Clay

Maid of Erin Group

Occurrence • Gold

Deer Park Deposit

Past Producer • Limestone, Dimension

Herman Claim

Occurrence • Gold

La Jolla Clay Products Co.

Past Producer • Clay

Copper Brick Deposit

Occurrence • Copper

Dehesa Operation

Past Producer • Sand and Gravel, Construction

Rock Mountain Quarry

Past Producer • Stone, Crushed/Broken

Escondido Sand and Gravel Works

Past Producer • Sand and Gravel, Construction

Unnamed Prospects

Occurrence • Gemstone

La Condado Mine

Prospect • Gold

Blanket Prospects

Occurrence • Gemstone

Ruby Prospect

Prospect •

American Sand Co.

Past Producer • Sand and Gravel, Construction

Sulphur Springs Claim

Unknown • Gold

Circle Group Deposit

Past Producer • Vermiculite

Unnamed Prospect

Occurrence • Tungsten

Mosto Ranch Deposit

Past Producer • Clay

South California Claim

Occurrence • Gold

Blue Bird

Occurrence • Gold

Mission Valley Operation

Past Producer • Sand and Gravel, Construction

Challenger Prospect

Occurrence • Gold

Montezuma Mine

Past Producer • Gold

Payoff Mine

Past Producer • Tungsten

Crown Point Mine

Past Producer • Tungsten

Simpson-Pirnie Granite Co.

Past Producer • Granite

Mission Valley Operation Woodward

Past Producer • Sand and Gravel, Construction

Clark Mine

Past Producer • Gemstone

Pompai Group Deposit

Occurrence • Ash

Payne Mine

Past Producer • Semiprecious Gemstone

Unnamed Prospect

Occurrence • Tungsten

Long Deposit

Prospect • Tungsten

Gold Standard Group

Past Producer • Gold

Calif Wire Sawyer Corp.

Past Producer • Stone, Crushed/Broken

Pauma Valley Pit

Past Producer • Sand and Gravel, Construction

Phase 3 Pit

Past Producer • Sand and Gravel, Construction

Unnamed Prospect

Prospect • Copper

Ballena Placer Deposits

Past Producer • Gold

Weaver Deposit

Past Producer • Stone, Crushed/Broken

Good Luck Prospect

Prospect • Gold

Abbie Group

Occurrence • Gold

Unnamed

Occurrence • Stone, Crushed/Broken

Beebe Hole Mine

Producer •

Smitty Prospect

Prospect • Tungsten

El Monte Sand Pit

Past Producer • Sand and Gravel, Construction

Unnamed - 5

Occurrence • Silica

Old Ironsides Prospect

Prospect • Nickel

Unnamed Prospect

Occurrence • Aluminum

Morgan Mines

Prospect • Gold

Dos Cabezas Prospects

Prospect • Feldspar

Elevada and Aguajito Group

Past Producer • Gold

Laguna Junction Deposits

Prospect • Feldspar

Lookout Group

Occurrence • Gold

Silver Shine Prospect

Prospect • Copper

El Capitan Quarry

Past Producer • Stone, Crushed/Broken

Unnamed Prospect

Prospect • Gemstone

Grand Central Quartz Mine

Prospect • Gold

San Felipe Mine

Prospect • Gold

Potrero

Occurrence • Silica

Yellow Bar Prospect

Occurrence • Gold

Washington Mine

Past Producer • Gold

El Dorado Claim

Past Producer • Gold

Summit and Summit Extension Claims

Past Producer • Gold

C. B. Grove Pit No. 2

Past Producer • Stone, Crushed/Broken

Zinniger Sand Plant

Past Producer • Sand and Gravel, Construction

La Posta Sand Pit

Producer • Sand and Gravel, Construction

Slaughterhouse Canyon Pit

Past Producer • Sand and Gravel, Construction

Golden Crescent Mine

Occurrence • Gold

Little Granite Mine

Prospect • Gold

Olive Street Pit

Producer • Granite

Echo Mine

Occurrence • Molybdenum

Black Hawk Group

Occurrence • Gold

Margarita Mine

Past Producer • Gemstone

Bear Deposit

Prospect • Feldspar

High Peak Mine

Past Producer • Gold

Mission Valley Pit

Past Producer • Sand and Gravel, Construction

Vandegrift Boulevard Pit

Past Producer • Stone, Crushed/Broken

Murray Canyon Pit

Producer • Sand and Gravel, Construction

C. B. Mine

Prospect • Gold

Pacific Mine

Past Producer • Feldspar

Roberts and Peeler

Past Producer • Strontium

Border View Mine

Prospect • Gold

Mission Gorge Pit

Past Producer • Sand and Gravel, Construction

Mcgrath Pit No. 1

Past Producer • Stone, Crushed/Broken

Palo Verde Lake Pit

Past Producer • Sand and Gravel, Construction

Murray Canyon West Pit

Past Producer • Sand and Gravel, Construction

National Brick Company

Past Producer • Clay

Barber Mountain Mine

Prospect • Gold

Chollas Valley Salt Co.

Past Producer • Salt

Lowrey Deposit

Past Producer • Quartz

April Fool

Occurrence • Gold

Borrow Pit

Past Producer • Sand and Gravel, Construction

Gold Luck Prospect

Occurrence • Gold

Quality Deposit

Prospect • Feldspar

Pearson Deposit

Prospect • Quartz

Unnamed Prospect

Occurrence • Phosphorus-Phosphates

Golden Co. Inc.

Past Producer • Stone, Crushed/Broken

Borrego Springs Claim

Occurrence • Stone, Crushed/Broken

Palagonite Deposit

Occurrence • Aluminum

Tule Mt. Deposit

Occurrence • Manganese

Bird Rock Deposit

Prospect • REE

Friars Road Pit

Past Producer • Sand and Gravel, Construction

Clifton Mine

Prospect • Gold

Mosto Pit

Past Producer • Sand and Gravel, Construction

Dg Pit

Past Producer • Stone, Crushed/Broken

Camp Pendleton Quarry

Past Producer • Sand and Gravel, Construction

Victor Mine

Past Producer • Gemstone

Henderson Mill

Past Producer • Tungsten

Carson Ranch Placer Claim

Past Producer • Gold

Golden Star No. 1 Claim

Occurrence • Gold

Chula Vista Evaporators

Past Producer • Salt

Daley Mine

Past Producer • Copper

Sonny Boy Claim

Prospect • Semiprecious Gemstone

Boulder Creek Group

Past Producer • Gold

Expansion Group

Prospect • Gold

Southern Star Claim

Prospect • Zinc

Cassiterite Placer Claim

Past Producer • Tin

Mission Road Pit

Past Producer • Sand and Gravel, Construction

Warners Hot Springs

Producer • Geothermal

Ponto Beach Deposit

Past Producer • Sand and Gravel, Construction

Green Money Mine

Prospect • Gold

Mccain Borrow Pit #790

Producer • Granite

El Cajon Kaolin Deposit

Past Producer • Clay

Nona Group

Prospect • Gold

Tobin Mine

Occurrence • Tungsten

El Monte Pit

Past Producer • Sand and Gravel, Construction

Narrows Mine

Occurrence • Gold

San Luis Rey River Pit

Past Producer • Sand and Gravel, Construction

Mason Valley Gem Claim

Prospect • Gemstone

Van Deventer W.E. Quarry

Past Producer • Granite

Mascot

Occurrence • Gold

North Star Group

Prospect • Gold

Huchting Ranch Deposit

Occurrence • Clay

Mcgrath Dg Pit No. 2

Producer • Stone, Crushed/Broken

Lakeside Pit

Past Producer • Sand and Gravel, Construction

Dyche Valley Mine

Past Producer • Tungsten

Dave Martin Prospect Pit

Unknown • Stone, Crushed/Broken

Lucky Gene Prospect

Occurrence • Gold

Ttt Quarry

Past Producer • Stone, Crushed/Broken

Gold King Group

Past Producer • Gold

Black Eagle Mine

Past Producer • Gold

U. S. Silica Pit

Past Producer • Sand and Gravel, Construction

Undetermined

Prospect • Tungsten

Waterman Granite Co. Quarry

Past Producer • Granite

Carmean Quarry

Past Producer • Stone, Crushed/Broken

Haldredge Deposit

Occurrence • Silica

Golden Eagle Mine

Unknown • Gold

Vista Chief

Occurrence • Gemstone

Peters, W. H., Vista

Past Producer • Stone, Crushed/Broken

Sorrento Sand Pit

Past Producer • Sand and Gravel, Construction

Packrat Mine

Producer •

Sycamore Avenue Quarry

Past Producer • Stone, Crushed/Broken

Pioneer Group

Past Producer • Gold

Otay Operation

Past Producer • Sand and Gravel, Construction

Judson Ranch Deposit

Past Producer • Molybdenum

Grand Central Claim

Prospect • Gold

North Star Mines

Prospect • Gemstone

Banner Horseshoe Prospect

Prospect • Gold

Crescent Mine

Occurrence • Gold

Hatfield Creek Claim

Unknown • Diamond

Rcp Pit and Mill

Past Producer • Sand and Gravel, Construction

Bryant, D. G., San Marcos

Past Producer • Stone, Crushed/Broken

Gravel Pit

Past Producer • Sand and Gravel, Construction

Lucky Strike Mine

Past Producer • Gold

San Vincente Valley Deposits

Past Producer • Gold

Homestead

Prospect • Gold

Risley Deposit

Past Producer • Silica

Fee Claim

Occurrence • Gold

Merrick Kaolin Deposit

Past Producer • Kaolin

Penny Prospect

Prospect • Gold

John Stridsberg Quarries

Past Producer • Granite

Dairymart Pit

Past Producer • Sand and Gravel, Construction

Schley Group

Prospect • Gold

Padlock Mine

Past Producer • Gold

Gold Crown Group

Prospect • Gold

Dark Horse Group

Occurrence • Gold

Fraction Claim

Prospect • Gemstone

Hillside Materials

Past Producer • Stone, Crushed/Broken

Poway Pit

Past Producer • Stone, Crushed/Broken

Golden Duke Group

Prospect • Gold

Coleman Creek Placer Deposits

Past Producer • Gold

Linda Vista Deposits

Occurrence • Phosphorus-Phosphates

Spar King Deposit

Past Producer • Feldspar

Overlook Prospect

Prospect • Gold

Oriflamme Mine

Past Producer • Gold

Prospects

Occurrence • Gemstone

Stewart Mine

Past Producer • Semiprecious Gemstone

Sloan Canyon Sand Pit

Past Producer • Sand and Gravel, Construction

San Pasqual Plant

Unknown • Sand and Gravel, Construction

Enginee* Springs

Occurrence • Manganese

Golden Stump Claim

Occurrence • Gold

Sorrento Sand Co.

Past Producer • Sand and Gravel, Construction

Pasture Prospect

Occurrence • Gemstone

A. B. C. Mine

Past Producer • Semiprecious Gemstone

Langer Deposit

Past Producer • Feldspar

Jamacha Sand Plant

Past Producer • Sand and Gravel, Construction

Grubstake Prospect

Occurrence • Gold

Friday Deposit

Prospect • Nickel

Descanso Mine

Past Producer • Gold

Metal Mountain Mine

Past Producer • Tungsten

Kitchen Creek/I8 Pit

Past Producer • Sand and Gravel, Construction

Talone Ranch Plant

Unknown • Sand and Gravel, Construction

Donohoe Mine

Past Producer • Gold

Little Chief Prospects

Prospect • Gemstone

Charley K. Prospect

Occurrence • Gold

Viejas Mt. Prospect

Past Producer • Gold

Melba Group

Prospect • Gold

Prospects

Occurrence • Gemstone

Oxide Mine

Prospect • Gold

Wild Cat Claim

Occurrence • Gold

Kuhnis Mine

Past Producer • Gold

Lucky Strike Prospect

Occurrence • Gold

Pine Ridge Mine

Prospect • Gold

Maude E. Claim

Occurrence • Gold

Gravel Pit

Past Producer • Sand and Gravel, Construction

Pacific Clay Products Mine

Past Producer • Clay

Ruby Group

Past Producer • Beryllium

Beyer Pit

Past Producer • Sand and Gravel, Construction

Andes Mine

Occurrence • Tin

Frances Group

Prospect • Gold

Verruga Deposit

Past Producer • Stone

Live Oak Group

Past Producer • Tungsten

Decomposed Granite Pit

Past Producer • Granite

Unnamed Sillimanite Occurrence

Occurrence • Kyanite

Able Mine

Prospect • Gold

Mission Gorge Quarry

Producer • Dolomite

Freeman Mine

Occurrence • Gemstone

Warner Borrow Pit

Producer • Granite

Madden Claim

Prospect • Gold

Marron Quarry

Past Producer • Stone, Crushed/Broken

Quarry

Past Producer • Stone, Crushed/Broken

Four-Gee Deposits

Past Producer • Aluminum

Brier Claim

Occurrence • Gold

Red Hill and Copper Butte Claims

Prospect • Nickel

Iron Master

Prospect • Iron

Linda Vista Mine

Past Producer • Clay

Last Dollar Prospect

Past Producer • Tungsten

Gold Cross Group

Past Producer • Gold

Burnand Borrow Pit

Producer • Granite

Bray Lode

Prospect • Gemstone

Last Chance Mine

Past Producer • Gold

L. E. Morrison Sand Plant

Past Producer • Sand and Gravel, Construction

Owens Mine

Past Producer • Gold

Unnamed Claim

Occurrence • Tin

Mckoon Quarry

Past Producer • Granite

San Jose Del Valle Mine

Unknown • Tungsten

Lake Wohlford Road Pit

Past Producer • Stone, Crushed/Broken

Benson Dry Lake

Occurrence • Boron-Borates

Ella Mine Group

Past Producer • Gold

Ranchito Mine

Past Producer • Gold

Modern Prospect

Occurrence • Feldspar

Chieftan Mine

Past Producer • Gold

Empire Claim

Prospect • Gold

Warlock Mine Group

Past Producer • Gold

Borrow Pit

Past Producer • Sand and Gravel, Construction

Moly Hogan

Unknown • Molybdenum

Pala Pit

Past Producer • Sand and Gravel, Construction

Cable

Past Producer • Semiprecious Gemstone

Tourmaline King Mine

Prospect • Gemstone

Golden Harp Prospect

Occurrence • Gold

Border Highlands Pit

Past Producer • Sand and Gravel, Construction

Pawnee Mine

Past Producer • Tungsten

Prospects

Prospect • Gemstone

Jacumba Manganese Group

Prospect • Manganese

Redlands King Prospect

Occurrence • Gemstone

Calavera Quarry

Past Producer • Stone, Crushed/Broken

Valley View Mine

Occurrence • Gold

Smith Construction Co. Deposit

Past Producer • Sand and Gravel, Construction

Stoddard Borrow Pit

Producer • Stone, Crushed/Broken

Gold King Deposit

Occurrence • Gold

Carmelita Claim

Prospect • Gold

Unnamed Prospect

Occurrence • Gemstone

Cowdrey E. E.

Past Producer • Stone, Crushed/Broken

Katherine Prospect

Prospect • Tin

San Marcos Pit

Past Producer • Stone, Crushed/Broken

Lookout Prospect

Past Producer • Semiprecious Gemstone

Texas Quarries Quarry

Past Producer • Granite

Oro Fino Mine

Past Producer • Gold

Cuyamaca

Occurrence • Silica

Redrock Group

Prospect • Gold

Nelson and Sloan Pit No. 12

Past Producer • Sand and Gravel, Construction

R. C. P. Pit No. 5

Past Producer • Sand and Gravel, Construction

C B Grove Deposit--Pit No. 1

Past Producer • Stone, Crushed/Broken

Unnamed Prospect

Occurrence • Manganese

Unnamed Prospect

Occurrence • Gold

Borrow Pits

Past Producer • Sand and Gravel, Construction

Prospect

Occurrence • Gemstone

Unnamed Prospect

Occurrence • Gypsum-Anhydrite

Ben Hur Mine

Past Producer • Silver

Gladding Mcbean & Co. Mine

Past Producer • Clay

O. X. Group

Prospect • Gold

Prosperity Prospect

Past Producer • Gold

Mission Gorge Pit

Past Producer • Sand and Gravel, Construction

Southern Calif Granite Co. Quarry

Past Producer • Granite

Cimmarron Prospect

Occurrence • Gold

Crystal Gem Mine

Prospect • Semiprecious Gemstone

Prospect

Prospect • Semiprecious Gemstone

Best Yet Deposit

Prospect • Tungsten

Schmiddmitt Prospect

Prospect • Manganese

Clay Prospect

Prospect • Clay

Hatfield Creek Quarry

Past Producer • Stone, Crushed/Broken

White Butte Deposit

Past Producer • Silica

Prospect

Occurrence • Gemstone

Home Builders Prospect

Occurrence • Gold

Royal Mine

Past Producer • Lithium

Unnamed Borrow Pit

Past Producer • Sand and Gravel, Construction

Gravel Pit

Past Producer • Sand and Gravel, Construction

Cravath Mine

Prospect • Gold

Fletcher Deposit

Prospect • Uranium

Monarch Materials Co.

Past Producer • Sand and Gravel, Construction

Surprise Mine

Past Producer • Semiprecious Gemstone

Otay Operation No. 1

Past Producer • Sand and Gravel, Construction

Ajax Deposit

Prospect • Stone, Crushed/Broken

Eagle Nest Mine

Past Producer • Gold

Granite Mountain Mine

Past Producer • Gold

Lost Valley Truck Trail Mine

Past Producer • Semiprecious Gemstone

Gold Dollar Nos. 1 and 4 Claims

Occurrence • Gold

Lost Peg Leg Claim

Prospect • Gold

Black Mountain Group

Past Producer • Arsenic

Aftermath Claim

Prospect • Gold

Unnamed Gravel Pit

Past Producer • Sand and Gravel, Construction

Asper

Prospect • Gold

Sundown Mine

Prospect • Tungsten

Brown Group

Prospect • Gold

Phase 1 Pit

Past Producer • Sand and Gravel, Construction

Silver King Group

Prospect • Gold

Felden Deposit

Prospect • Tungsten

Big Slope Prospect

Occurrence • Gemstone

Richardson Pit

Producer • Granite

Bullard Prospect

Occurrence • Graphite

Mammoth Claim

Prospect • Iron

Jatina Claim

Occurrence • Gold

Blue Bell Deposit

Past Producer • Tin

Carrol Canyon Pit

Past Producer • Sand and Gravel, Construction

Lehnberg Quarry

Past Producer • Granite

Spanish Bayonet Deposit

Past Producer • Feldspar

Easy Group

Past Producer • Tungsten

Red Rooster Claim

Occurrence • Gold

Vault of Ages Prospect

Prospect • Gold

Phillips Mine

Past Producer • Gold

Valley Center Borrow Pit

Producer • Granite

Moe Mines

Prospect • Gold

Bill Hills Prospect

Prospect • Gold

Johnsto* Mine

Past Producer • Gold

Willhite Group

Prospect • Gold

Undetermined Prospect

Prospect • Gold

Unnamed

Occurrence • Tin

Rcp Pit No. 2

Past Producer • Sand and Gravel, Construction

Toms Dream Deposit

Prospect • Feldspar

Phase 5 Pit

Past Producer • Sand and Gravel, Construction

Vista Black Granite Quarry

Past Producer • Granite

Union Brick Co. Mine, North Pit

Past Producer • Clay

Unnamed Prospect

Occurrence • Manganese

Decker Prospect

Prospect • Gold

Juch

Occurrence • Iron

Cleveland-Pacific Mine

Past Producer • Gold

Trail Mine

Past Producer • Gemstone

Himalaya Mine

Past Producer • Semiprecious Gemstone

Unnamed Prospect

Occurrence • Semiprecious Gemstone

Silver Cloud Prospect

Occurrence • Gold

New Hope No. 2

Unknown • Tungsten

Pomona Granite Co. Quarries

Past Producer • Granite

Featherstone Deposit

Occurrence • Silica

Sunrise Claim

Occurrence • Semiprecious Gemstone

Woodward San Pasqual Operation

Past Producer • Sand and Gravel, Construction

Patterson Trucking Co.

Past Producer • Stone, Crushed/Broken

Sorrento Brick and Clay Prod.

Past Producer • Clay

Ireys Black Granite Deposit

Past Producer • Granite

Campo Milling Corp.

Past Producer • Stone, Crushed/Broken

Ware Mine

Prospect • Gemstone

Nelson & Sloan Pit

Past Producer • Sand and Gravel, Construction

Galbrath Quarry

Past Producer • Granite

R. C. P. Pit No. 1

Past Producer • Sand and Gravel, Construction

Encinitas Mine

Past Producer • Copper

Fletcher Quarries

Past Producer • Stone, Crushed/Broken

Carroll Canyon Pit

Past Producer • Sand and Gravel, Construction

Melrose Mine

Occurrence • Gold

Lookout Prospect

Prospect • Feldspar

Seventy-Six Claim

Occurrence • Gold

Sloan Canyon Pit

Past Producer • Sand and Gravel, Construction

Campo Molybdenum Deposit

Prospect • Molybdenum

Sentenac Deposit

Occurrence • Stone

Clemens Granite Co. Quarry

Past Producer • Granite

White Oak Mine

Prospect • Gold

South Coast Pit

Past Producer • Sand and Gravel, Construction

Imperial Beach

Occurrence • Gemstone

Maccullough Deposit

Occurrence • Kyanite

Ora Group

Prospect • Gold

Desert Queen Prospect

Occurrence • Manganese

Unnamed Quarry

Past Producer • Stone

Mary Jane Deposit

Prospect • Graphite

Golden Ella Prospect

Prospect • Gold

Los Coyotes Prospect

Prospect • Tungsten

Patton Beryl

Prospect • Beryllium

Butte Prospect

Occurrence • Gold

Unnamed Prospect

Occurrence • Kyanite

Sweetwater Creek

Past Producer • Salt

Red Wing Claim

Occurrence • Gold

Mykrantz Deposit

Occurrence • Feldspar

San Pasqual Pit

Past Producer • Stone, Crushed/Broken

Gravel Pit

Past Producer • Sand and Gravel, Construction

Standard Oil Mine

Past Producer • Bentonite

Geneva Mine

Prospect • Gold

Beeler Canyon Sand and Gravel Co.

Past Producer • Sand and Gravel, Construction

Beyer Pit

Past Producer • Sand and Gravel, Construction

Descanso Quarry

Past Producer • Quartz

Jolly Boy Mine

Prospect • Gold

Gravel Pit

Past Producer • Sand and Gravel, Construction

Kentucky Mine Group

Past Producer • Gold

Lakeside Lime and Marl Deposit

Past Producer • Limestone, General

San Pedro Mine

Producer • Semiprecious Gemstone

Mica Gem Group

Past Producer • Mica

Lawson Peak Deposit

Occurrence • Stone, Dimension

Barbara Worth Group

Prospect • Gold

Riverford West Pit

Past Producer • Sand and Gravel, Construction

Weldy Prospects

Prospect •

Acme Truck Co. Pit No. 1

Past Producer • Stone, Crushed/Broken

Allanite Prospect

Prospect • Uranium

El Cajon Sand and Gravel Co.

Past Producer • Sand and Gravel, Construction

San Diego Cement Co. Operation

Past Producer • Stone, Crushed/Broken

Pankey Pit

Past Producer • Sand and Gravel, Construction

Carrizo Creek Deposit

Occurrence • Gypsum-Anhydrite

Cottonwood Creek Pit

Past Producer • Sand and Gravel, Construction

Happy Jack Mine

Occurrence • Gold

Continental Granite Pit

Past Producer • Stone, Crushed/Broken

Redwing Prospect

Prospect • Gemstone

Big Buck Prospect

Occurrence • Lithium

Defiance and Newdeal Claims

Occurrence • Gold

Gibson Deposit

Past Producer • Silica

Rose Quartz Group

Past Producer • Gold

West California Claim

Prospect • Gold

El Granito Mineral Springs

Producer • Geothermal

Ward and Williams Deposit

Past Producer • Feldspar

San Diego Mine

Past Producer • Gold

Harriet Lode

Unknown • Gold

Mountain Lion Mine

Prospect • Gold

Sutherland Ranch Deposit

Occurrence • Molybdenum

Bonanza Claim

Occurrence • Iron

Telluride Group

Prospect • Gold

Group Mining Claims

Prospect • Gold

Cincinnati Belle Mine

Past Producer • Gold

Allen Borrow Pit

Producer • Stone, Crushed/Broken

National Blue Granite Quarry

Past Producer • Granite

Unnamed Prospect

Occurrence • Silica

Crystal Silica Company

Past Producer • Silica

Clark Extension Prospect

Past Producer • Semiprecious Gemstone

Independent Stone Co.

Past Producer • Sand and Gravel, Construction

Allied Granite Quarry

Past Producer • Granite

Pete Matson Quarry

Past Producer • Granite

Powers Group

Occurrence • Feldspar

Helvetia Mine

Past Producer • Gold

Sundown Mine

Prospect • Gold

Unnamed Prospect

Occurrence • Graphite

California Salt Co.

Past Producer • Salt

Stewart Mine

Past Producer • Gemstone

Truelse* Prospect

Occurrence • Gold

Marron Bros. Inc.

Past Producer • Stone, Crushed/Broken

Sand Pit

Past Producer • Sand and Gravel, Construction

Jacumba Hot Springs

Producer • Geothermal

Lucky Strike Group

Prospect • Nickel

San Marcos Quarry

Producer • Sand and Gravel, Construction

Mercedes Group

Prospect • Gold

Dulzura Deposit

Occurrence • Stone, Dimension

Turner Prospect

Prospect • Manganese

White Cloud Deposit

Prospect • Tungsten

Helix Pit

Past Producer • Sand and Gravel, Construction

Jamul Ranch Deposit

Past Producer • Limestone, General

National Quarries

Past Producer • Granite

Lost Valley Tourmaline Prospects

Occurrence • Semiprecious Gemstone

Kentwood Scheelite Claim

Occurrence • Tungsten

Mountain Belle Claim

Occurrence • Gemstone

Gold Chief Claim

Past Producer • Gold

V. R. Dennis Sand Pit

Past Producer • Sand and Gravel, Construction

Rincon Pegmatite District

Producer • Gemstone, Niobium (Columbium), Beryllium, Tantalum

Pala District

Producer • Niobium (Columbium), Gemstone, Tantalum, Beryllium, Lithium

Aguanga District

Producer • Tungsten

Southern California Borderland Phosphorites

Unknown • Phosphorus-Phosphates