Browse mineral resources

Clyde Mine

Producer • Molybdenum

Mogul Tunnel

Occurrence • Molybdenum

Sunday Vein

Occurrence • Molybdenum

Jamestown District

Past Producer • Gold, Fluorine-Fluorite

Beddig Mine

Producer • Tungsten

Cold Spring Mine

Producer • Tungsten

Beryl No 1 Prospect

Occurrence • Niobium (Columbium), Tantalum, Beryllium

New Girl Prospect

Producer • Niobium (Columbium), Tantalum, Beryllium

Seneca Mines Diamond Claims

Occurrence • Uranium

Fairday Mine

Producer • Uranium, Lead, Silver, Fluorine-Fluorite

Sisk Property

Occurrence • Uranium, Molybdenum, Graphite

Mona No 9 Claim

Producer • Beryllium, Mica, Tantalum

Chivington Lode

Occurrence • Gold, Silver

Lucky Strike, Last Nickel

Producer • Tungsten, Lead, Zinc

Tungsten Lode Mine

Producer • Tungsten

Forest Home Mine

Producer • Tungsten

Orion and Saddle No 6 Fluorspar

Occurrence • Fluorine-Fluorite, Lead, Copper

Red Lode Claim

Occurrence • Tungsten

Cold Springs Mine

Producer • Tungsten

Hoosier Mine

Producer • Tungsten

Steele Plate Tungsten

Producer • Tungsten

Bat Claim No. 1

Past Producer • Copper

Bell Group

Past Producer • Gold, Silver

Fox Hills Outcrop

Past Producer • Coal

Lease Tailings Pond

Past Producer • Uranium

Bonanza No 2

Occurrence • Tungsten

Rogers No 1,2,3-5,7-11

Occurrence • Tungsten

Beddig, Conger

Producer • Tungsten

Quaker

Producer • Tungsten

Luckie 2, Smith

Producer • Tungsten

Clyde, Hoosier, Western Star

Producer • Tungsten

Elsie, Mammoth, Tungsten

Producer • Tungsten

Phillip Extension,Lone Tree,Rake Off

Producer • Tungsten

New Discovery

Occurrence • Gold

Belle of Memphis

Occurrence • Gold

Leoch

Occurrence • Gold, Silver

Ingram

Occurrence • Gold

Valley Forge

Occurrence • Gold

Bertha

Occurrence • Gold, Silver

Hidden Treasure

Occurrence • Gold

Cold Spring

Occurrence • Tungsten

Bobcat

Occurrence • Tungsten

Anna

Occurrence • Tungsten

Wa Ba Na

Occurrence • Gold

Arrow 1,2,3

Occurrence • Tungsten

Gold Lake Property

Occurrence • Uranium

Mountain View, Orinoco

Occurrence • Gold

Greenback

Occurrence • Gold

Unknown

Occurrence • Sand and Gravel, Construction

Longmont Brick & Tile Co.

Producer • Clay

Rose Mary

Occurrence • Uranium

Unknown

Occurrence • Sand and Gravel, Construction

Unknown

Occurrence • Stone, Crushed/Broken

Unknown

Occurrence • Sand and Gravel, Construction

Unknown

Occurrence • Gold

Bat No. 1 Claim

Occurrence • Uranium

Unknown

Occurrence • Gold

Lady Franklin Mine

Producer • Gold

Graphic Mine

Occurrence • Gold

Black River, Eastview

Occurrence • Tungsten

Park Placer

Occurrence • Gold, Silver

Pandora No 1 & 4 Lode Claims

Occurrence • Gold, Silver

Caribou Mine

Prospect • Silver, Lead, Gold

Pandora Mine

Occurrence • Tungsten, Silver

Mountain Lion-Keystone Vein

Producer • Gold

American Eagle-Interocean

Occurrence • Gold

Unknown

Occurrence • Silver, Gold

Unknown

Occurrence • Silver

Idaho Mine

Producer • Gold, Silver

Unknown

Occurrence • Silver, Gold

Unknown

Occurrence • Silver, Gold

Pine Grove Mine

Occurrence • Silver, Gold

Pine Shade Mine

Occurrence • Tungsten

Unknown

Occurrence • Molybdenum

Unknown

Occurrence • Silver, Gold

Gold King

Occurrence • Silver, Gold

Anna C. Mine

Producer • Tungsten

Primos Mine

Occurrence • Tungsten

Mock Shaft

Occurrence • Tungsten

Chancellor

Producer • Fluorine-Fluorite, Gold, Lead, Silver

Poorman Mine

Producer • Gold, Silver

Home Run

Producer • Tungsten

Unknown

Occurrence • Gold

Copeland

Producer • Tungsten

Golden Reward

Occurrence • Uranium

Unknown

Occurrence • Silver, Gold

Unknown

Occurrence • Gold, Silver

Shirley

Occurrence • Uranium

Shirley Lode

Producer • Gold, Silver

Scandia Vein

Occurrence • Gold

Terror - Roseberry

Occurrence • Uranium

Unknown

Occurrence • Molybdenum

Unknown

Occurrence • Gold

Unknown

Occurrence • Tin

Blue Stone Mines, Inc.

Occurrence • Fluorine-Fluorite

Unknown

Occurrence • Sand and Gravel, Construction

Unknown

Occurrence • Sand and Gravel, Construction

Unknown

Occurrence • Gold

Resumption Placer

Occurrence • Gold

Unknown

Occurrence • Tungsten

Unknown

Occurrence • Molybdenum

Unknown

Occurrence • Tungsten

Forest Home Mine

Occurrence • Tungsten

Gale Mine

Producer • Tungsten

Clyde Mine

Occurrence • Tungsten

Rake-Off and Lily Veins

Occurrence • Tungsten

Steel Plate Vein

Occurrence • Tungsten

Unknown

Occurrence • Tungsten

Cross Mine

Occurrence • Tungsten

Vasco No. 1 Mine

Producer • Tungsten

Vasco No. 7

Producer • Tungsten

Cold Spring No. 2 & 4

Occurrence • Tungsten

Silver Queen

Producer • Tungsten

May Flower

Occurrence • Tungsten

Unknown

Occurrence • Tungsten

Last Chance No. 1

Producer • Tungsten

Unknown

Occurrence • Molybdenum

Black Iron

Occurrence • Tungsten

Unknown

Occurrence • Tungsten

Unknown

Occurrence • Silver

Up To Date Mine

Producer • Silver

Unknown

Occurrence • Silver

Unknown

Occurrence • Silver

Unknown

Occurrence • Iron, Titanium, Metal, Silver

Caribou Mine

Occurrence • Silver, Uranium

Caribou Mine

Occurrence • Uranium

Native Silver Mine

Producer • Silver

Comstock

Occurrence • Silver

Poorman Mine

Producer • Silver

Radium, Elmer, & Nelson Veins

Occurrence • Lead, Silver, Uranium

Sherman

Producer • Silver

Silver Dollar

Producer • Silver

Isabel Mine

Producer • Silver

Silver Point Mine

Occurrence • Gold, Silver

Cross Mine

Past Producer • Gold, Silver, Zinc, Lead

Unknown

Occurrence • Sand and Gravel, Construction

Unknown

Occurrence • Sand and Gravel, Construction

Unknown

Occurrence • Sand and Gravel, Construction

Unknown

Occurrence • Sand and Gravel, Construction

Unknown

Occurrence • Sand and Gravel, Construction

Unknown

Occurrence • Sand and Gravel, Construction

Unknown

Occurrence • Sand and Gravel, Construction

Unknown

Occurrence • Molybdenum

Unknown

Occurrence • Gold

Fortune

Occurrence • Gold

Boulder Co. Mine

Occurrence • Silver, Gold, Tungsten, Lead

Walker Ranch

Producer • Tungsten

Carabou Mine

Producer • Vanadium

Caribou

Occurrence • Uranium, Vanadium

Alton Tunnel

Occurrence • Silver, Gold

Enterprise Vein

Occurrence • Gold

Caribou Mine

Producer • Silver, Lead, Zinc

Blue Eagle

Occurrence • Gold

Unknown

Occurrence • Silver, Lead, Zinc

Last Chance

Occurrence • Gold

Big John Mine

Occurrence • Gold

Unknown

Occurrence • Gold

Sunnyside

Producer • Tungsten

Unknown

Occurrence • Gold

Unknown

Occurrence • Gold, Silver

Hildegarde, Oregon

Occurrence • Tungsten

Quaker City, Ophir, Pennsylvania, Peewink

Producer • Gold, Tungsten

Lady Luck

Occurrence • Tungsten

Herald

Occurrence • Tungsten, Gold

Blue Jay

Occurrence • Tungsten

Sparkling Jewel

Occurrence • Gold

Lugar

Occurrence • Gold

Fair Count Vein

Occurrence • Tungsten

Shields

Producer • Gold, Silver

Virginia, Golden Key

Producer • Gold

Wild Dutchman

Producer • Gold, Silver

Electronic

Producer • Silver, Gold

Sun and Moon Mine

Occurrence • Gold

Buena

Occurrence • Silver, Gold

Bueno Mine

Past Producer • Gold, Silver

Alice Mine

Producer • Lead, Silver, Gold, Copper, Fluorine-Fluorite

Big Bore

Occurrence • Gold

Orion

Occurrence • Uranium

Golden Bell

Occurrence • Gold, Silver

Holt, Sound Currency, Star

Occurrence • Gold

Denver City

Occurrence • Gold

Col. Dick

Occurrence • Gold

Centennial Tunnel

Occurrence • Gold

Dolly Varden

Producer • Gold

Copper Glance

Producer • Gold, Copper

Orphan Boy

Occurrence • Gold

Beryl #1

Occurrence • Niobium (Columbium), Tantalum, Beryllium

Orion, Saddle No. 6

Occurrence • Fluorine-Fluorite

Myrtle

Occurrence • Gold

Alaska Group

Occurrence • Gold

Amzy, Great Sphinx

Occurrence • Tungsten

Unknown

Occurrence • Gold

King Group

Occurrence • Gold

Mcknight Placer

Occurrence • Gold

King Tunnel

Occurrence • Uranium

Bell Group

Occurrence • Uranium

Palladium, Architect, Starlight, Chrysolite

Occurrence • Gold, Silver

Unknown

Occurrence • Sand and Gravel, Construction

Dorthy-Katie Mines

Producer • Tungsten

Unknown

Occurrence • Gold, Tungsten

Red Lode Claim

Occurrence • Tungsten

Sparkling Jewel Vein

Occurrence • Gold

Golden Eagle

Occurrence • Gold

Unknown

Occurrence • Tungsten

Paymaster-Wheelman Tunnel

Past Producer • Tungsten, Gold

Milan Mine

Occurrence • Gold

Melbourne Mine

Occurrence • Gold

Success No. 1

Occurrence • Gold

Little Belle & W. Extension

Occurrence • Gold

Black Prince Mine

Occurrence • Gold, Tungsten

Unknown

Occurrence • Tungsten, Gold

G. W. Horton Mill Site

Occurrence • Gold

Lease Tailings Pond

Producer • Uranium

Black Ace Claims

Occurrence • Tungsten

Ohio Tungsten Mine

Occurrence • Tungsten

Pueblo Belle

Occurrence • Uranium, Gold, Tungsten

Unknown

Occurrence • Gold

Corning Tunnel

Occurrence • Gold

White Cloud & Helena Mines

Occurrence • Gold

Unknown

Occurrence • Gold

Unknown

Occurrence • Gold

Gold Lake Property

Occurrence • Uranium

Gold Lake & Manyon

Occurrence • Tungsten

B & M

Occurrence • Gold

Queen Mine

Occurrence • Gold

Nelson

Producer • Gold, Silver

Polar Star

Occurrence • Gold, Silver

Unknown

Occurrence • Uranium

Utica

Occurrence • Tungsten

Unknown

Occurrence • Gold

Unknown

Occurrence • Gold

Black Cloud

Occurrence • Uranium

Cold Springs Group

Occurrence • Gold

Unknown

Occurrence • Uranium

Goldsmith Maid

Occurrence • Uranium

King

Occurrence • Gold

Evans, Grant, Great Britain

Occurrence • Gold

Golden Queen

Occurrence • Tungsten, Gold

Last Chance Shaft

Occurrence • Gold

Ward Rose

Occurrence • Gold

Snowy Range Mine

Producer • Lead, Gold

Ruby

Occurrence • Gold

Cheyenne, Modoc, Tiger # 1 & 2

Occurrence • Gold

Unknown

Occurrence • Molybdenum

Unknown

Occurrence • Sand and Gravel, Construction

Unknown

Occurrence • Sand and Gravel, Construction

Unknown

Occurrence • Sand and Gravel, Construction

Smuggler

Occurrence • Gold, Silver

Unknown

Occurrence • Stone, Crushed/Broken

Rusty Gold, Copper Blush

Occurrence • Gold, Copper

Copper Blush

Occurrence • Uranium

Unknown

Occurrence • Gold

Lehman Lode

Occurrence • Uranium

Energy

Occurrence • Uranium

Gold Leaf Claim & Lulu B. Claim

Producer • Uranium

Golden Age Mine

Past Producer • Gold, Silver

Lucky Lode

Occurrence • Uranium

Unknown

Occurrence • Gold

Columbine

Producer • Feldspar, Mica, Beryllium, Niobium (Columbium), Copper

Puzzle

Producer • Feldspar

Miranda A. Johnson

Occurrence • Uranium

Unknown

Occurrence • Gold

Unknown

Occurrence • Gold

All American, Durias, Gray Copper

Occurrence • Gold

Poorman

Occurrence • Gold, Fluorine-Fluorite, Uranium

Willard Placer

Occurrence • Gold

Lulu B. & Victory Claims

Producer • Uranium

Nugget Group

Producer • Silver, Lead, Gold

Lost Turn, Lafayette

Occurrence • Gold

Sancho

Occurrence • Gold

True Blue

Occurrence • Gold

Smuggler

Occurrence • Gold

Last Chance

Occurrence • Gold, Mercury

Gibson

Occurrence • Uranium

Unknown

Occurrence • Gold

Gladstone, Alice, Mckinley

Occurrence • Fluorine-Fluorite, Gold

Argo

Producer • Uranium, Fluorine-Fluorite, Gold, Silver, Lead, Copper

Warren Spar

Occurrence • Fluorine-Fluorite

Mill Site, Overland

Occurrence • Gold

Emmet

Producer • Gold, Fluorine-Fluorite, Uranium

Unknown

Occurrence • Gold

Daisy

Occurrence • Gold, Tungsten

White Raven

Producer • Silver, Lead, Gold

Big Five, Black Jack

Occurrence • Gold

Invincible

Occurrence • Fluorine-Fluorite, Gold

Interocean

Occurrence • Gold, Silver

Tennessee, American, White Crow, Golden Harp

Occurrence • Gold, Silver

Richard

Occurrence • Gold

New York, Pilot

Occurrence • Gold

Cold Spring and Red Cloud

Producer • Gold

Unknown

Occurrence • Gold, Silver

Minnie Barrel

Occurrence • Silver, Gold

Unknown

Occurrence • Uranium

Emancipation Mine

Occurrence • Gold, Silver

Atchison Mine

Occurrence • Gold

Unknown

Occurrence • Uranium

Unknown

Occurrence • Gold

Sunshine Group

Occurrence • Gold

Grand Republic

Occurrence • Gold

Unknown

Producer • Gold

No Sopi

Occurrence • Uranium

Victoria, Scotia

Occurrence • Gold

Unknown

Occurrence • Gold

Logan & Sunbeam

Occurrence • Gold, Tungsten

Unknown

Occurrence • Gold

Beryl #2

Producer • Niobium (Columbium), Feldspar, Beryllium, Mica

Unknown

Occurrence • Gold

Snowbound Group

Occurrence • Gold

Grand Central - Big Blossom

Producer • Gold

Unknown

Producer • Mica

Hoosier Mine

Producer • Tungsten

Cold Spring No 1

Producer • Tungsten

Unknown

Occurrence • Uranium

Central Gulch Placers

Occurrence • Gold

Elkhorn Or Tin Horn

Occurrence • Feldspar

Mcknight Placer

Occurrence • Silver, Gold

Cougar, Greyback

Occurrence • Molybdenum, Tungsten

Mtn. Lion-Keystone

Occurrence • Molybdenum

Con. Silver Caribou Mines

Occurrence • Uranium, Silver, Lead, Zinc

Escanaba and Humbolt

Occurrence • Lead, Zinc, Copper

Black Rose

Occurrence • Tungsten

Unknown

Occurrence • Tungsten

Unknown

Occurrence • Gold

Unknown

Occurrence • Tungsten

Mill Sites, Santa Lasaria, Mtn. Mexico, Bravo

Occurrence • Gold, Silver

Unknown

Occurrence • Gold, Silver

Bluebird Mine

Occurrence • Gold, Silver

Unknown

Occurrence • Gold

Red Cloud, Chicago, Colorado

Occurrence • Gold

Kekionga Mine

Occurrence • Tungsten

Unknown

Occurrence • Tungsten, Gold

Unknown

Occurrence • Gold, Silver

Jasper Tunnel

Occurrence • Gold

Unknown

Occurrence • Gold, Silver

Unknown

Occurrence • Gold

Koh-I-Noor Tunnel

Occurrence • Gold

Unknown

Occurrence • Gold

Missing Link

Occurrence • Tungsten

Unknown

Occurrence • Gold

Elsie Mine

Occurrence • Tungsten

Roose Tunnel

Occurrence • Tungsten

Denver Post

Occurrence • Gold

Livingston Group

Occurrence • Gold

Golden Chest, Canton, Culebra

Occurrence • Gold

Cabin

Occurrence • Gold, Silver

Unknown

Occurrence • Gold

Poop-Out Claims

Occurrence • Tungsten

Eureka

Occurrence • Tungsten, Gold

Good Friday

Occurrence • Tungsten

Lookout

Occurrence • Tungsten

Unknown

Occurrence • Gold

Wood Mtn. Group

Occurrence • Gold

Wild Tiger Mine

Occurrence • Tungsten

Nations Treasure

Occurrence • Uranium

Empress Mine & Post Boy Tunnel

Occurrence • Gold

Minnie and Ohio

Occurrence • Tungsten

Doughty Placer

Occurrence • Gold

Pennsylvania Lode

Occurrence • Tungsten

Poorman Group

Occurrence • Gold

Red Signe Mine

Occurrence • Tungsten

Unknown

Occurrence • Gold

Emilina

Occurrence • Gold

New California

Occurrence • Gold

Copper King, Gold Drop

Occurrence • Gold

Corundum

Occurrence • Gold

Fourth of July Mine

Unknown • Gold

Unknown

Occurrence • Sand and Gravel, Construction

Unknown

Occurrence • Sand and Gravel, Construction

Unknown

Occurrence • Gold

New Girl Prospect

Occurrence • Beryllium, Niobium (Columbium), Tantalum

Red Spruce

Occurrence • Gold

New Century

Occurrence • Gold

L. Evans Lease

Occurrence • Fluorine-Fluorite

Lady Bug

Occurrence • Uranium

Spruce Gulch

Occurrence • Fluorine-Fluorite

Buckingham, Hathaway Placers

Occurrence • Gold

Catham Lode

Occurrence • Tungsten

Unknown

Occurrence • Gold

Gold Crystal

Occurrence • Gold

Big Horn

Occurrence • Gold

Unknown

Occurrence • Gold

Snowbound Mine

Occurrence • Gold

Caribou Hill iron deposit

Occurrence • Titanium, Iron

Mountain Goat

Past Producer • Uranium

Big Horn Shaft

Past Producer • Molybdenum

Conger Mine

Producer • Tungsten

Victory Lode Claim

Producer • Uranium, Fluorine-Fluorite

Katie - Dorothy Mines

Producer • Tungsten

Hallie A. Tungsten Mine

Producer • Tungsten

Vasco No. 1 Mine

Producer • Tungsten

Rogers No 3

Producer • Tungsten

April Fool, Good Friday

Producer • Tungsten

Oregon

Producer • Tungsten

Eureka

Producer • Tungsten

Rogers No 3

Producer • Tungsten

Cross No 1, Vasco No 5,6,7,10

Producer • Tungsten

Illinois, Quay

Producer • Tungsten

Rambler

Producer • Tungsten

John Jay Mine

Producer • Gold, Silver

Sisk

Producer • Uranium

Black King

Producer • Tungsten

Senator Hill and Ophir Veins

Producer • Gold

Conger Mine

Producer • Tungsten

Brown Spar

Producer • Fluorine-Fluorite, Uranium

Kekionga-Magnolia Vein

Producer • Gold, Tungsten

Kekionga

Producer • Tungsten

Pine Shade

Producer • Tungsten

Mountain Goat

Producer • Uranium

Hoosier Mine

Producer • Tungsten

Forest Home Lode

Producer • Tungsten

World Mine

Producer • Tungsten

Vasco No. 2 & 5

Producer • Tungsten

Barker No. 3

Producer • Tungsten

Seven-Thirty Mine

Producer • Silver

Belcher Mine

Producer • Silver

Columbia & Spencer Mines

Producer • Silver

No Name Mine

Producer • Lead, Zinc, Silver

Wigwam

Producer • Silver, Lead, Zinc

Boulder Brick & Tile Co.

Producer • Clay

Unknown

Producer • Fire Clay (Refractory)

Burlington

Producer • Uranium, Fluorine-Fluorite

Wisconsin

Producer • Tungsten

Clyde Mine

Producer • Tungsten

Monday Lode

Producer • Tungsten

Irene

Producer • Tungsten

Yellow Pine

Producer • Gold, Silver, Lead

Fallow Tunnel

Producer • Silver, Gold

Little Ruby

Producer • Silver, Gold

Range View Mine

Producer • Tungsten

Yellow Girl

Producer • Fluorine-Fluorite

Copper King Nickel Mine

Past Producer • Nickel, Cobalt

Free Coinage

Producer • Gold, Silver

Buckhorn

Producer • Gold, Silver, Lead

Unknown

Producer • Gold

Logan Mine

Producer • Gold, Silver, Tungsten, Zinc, Lead

Roosevelt

Producer • Tungsten

Slide Mine

Producer • Gold

Hallie A

Producer • Tungsten

Longfellow

Producer • Gold, Silver, Copper

Yellow Girl

Producer • Fluorine-Fluorite

Blue Jay

Producer • Fluorine-Fluorite, Uranium

Little Bennie

Producer • Beryllium, Feldspar, Mica

Miller Group

Producer • Uranium

Consolation Mine

Producer • Fluorine-Fluorite

Beryl Lode

Producer • Beryllium, Feldspar, Mica

Grand View

Producer • Tungsten

Cash

Producer • Gold

Melvina

Producer • Gold

Ingram Mine

Producer • Gold, Silver

Durias

Past Producer • Gold

Grace

Past Producer • Gold

Unknown

Occurrence • Feldspar, Quartz

Bonanza # 2

Past Producer • Tungsten

Weng Pit

Producer • Sand and Gravel, Construction

Lost Boy

Past Producer • Gold

Archer

Past Producer • Gold

Red Signe

Past Producer • Gold, Tungsten

Silica Quarry

Producer • Silica

J O Lode

Past Producer • Gold

Hillside

Past Producer • Tungsten

Jumbo

Past Producer • Fluorine-Fluorite

Nancy Henderson

Past Producer • Tungsten

Crownpoint

Past Producer • Tungsten

Crucible Steel

Producer • Tungsten

Alpine Horn

Past Producer • Gold

Tungsten Lode

Past Producer • Tungsten

Golden Eagle

Past Producer • Stone, Crushed/Broken

Little Pittsburg

Past Producer • Gold

Misers Dream

Past Producer • Tungsten

Noland

Past Producer • Flagstone

Ideal No Two

Past Producer • Gold

Copper King Nickel Mine

Past Producer • Nickel

Cash Mill

Past Producer • Gold

Grant County

Past Producer • Gold

Lands End

Past Producer • Gold

United Mines

Past Producer • Gold

Escanoba Mine

Past Producer • Fluorine-Fluorite

Cold Springs No 4

Past Producer • Tungsten

Chingis Kahn

Past Producer • Gold

Aztec

Past Producer • Tungsten

Hummer

Past Producer • Tungsten

Martin Marietta Limestone Quarry

Producer • Stone, Crushed/Broken

Wood Chuck

Past Producer • Gold

Shirley Group

Occurrence • Gold

Nevco

Past Producer • Gold

Cracker Jack

Past Producer • Tungsten

Essco

Past Producer • Gold

Scandia

Occurrence • Gold

Cobalt

Past Producer • Gold

Home Sweet Home and Little Johnny

Past Producer • Gold

Pettie May

Past Producer • Gold

Copper King Mine

Past Producer •

Fox Hills Outcrop

Occurrence •

Carol Gore

Past Producer • Flagstone

Invincible

Past Producer • Fluorine-Fluorite, Gold

Flourspar

Past Producer • Fluorine-Fluorite

Mckinley-Stanley

Past Producer • Gold

Potosi

Past Producer • Gold

Evening Star

Unknown • Gold

Orion

Past Producer • Fluorine-Fluorite

Dew Drop

Occurrence • Gold

Missing Link

Past Producer • Gold, Tungsten

Monitor Tunnel

Past Producer • Gold

Fraction

Past Producer • Tungsten

Belle of Memphis

Past Producer • Gold

Telephone

Past Producer • Silver

Anna C

Past Producer • Tungsten

Stump

Occurrence • Gold

Clemens

Past Producer • Flagstone

Poor Mans Fortune

Past Producer • Tungsten

Tenderfoot

Past Producer • Tungsten

Castle Gulch

Past Producer • Gemstone

Franklin No 5

Past Producer • Gold

Interocean

Past Producer • Gold

Longmont Plant

Producer • Sand and Gravel, Construction

Rocky Flats and Plainview

Past Producer • Clay

Yellow Girl

Unknown •

Buena Vista Mine Nos 1-2-3

Past Producer • Barium-Barite

Tennessee

Past Producer • Gold

Mock Shaft

Past Producer • Tungsten

Pastore

Past Producer • Sand and Gravel, Construction

Elsie

Past Producer • Tungsten

Ben C. Lowell

Past Producer • Gold

Eclipse

Past Producer • Gold

Mountain Goat

Past Producer •

Ziegler

Past Producer • Sand and Gravel, Construction

Sac and Fox

Past Producer • Gold

Redstone

Past Producer • Flagstone

Copeland

Past Producer • Silver

Long Shot

Past Producer • Tungsten

Magner

Past Producer • Gold

Ingersoll

Unknown • Flagstone

Phillips Extensions

Past Producer • Tungsten

Emerson

Unknown • Gold

Overland

Past Producer • Gold

Gold Coin

Past Producer • Tungsten

Nyanza

Past Producer • Gold

Andesite Rock Quarry

Producer • Stone, Crushed/Broken

Henry No. 1 & No. 2

Past Producer • Gold

Diamond K

Past Producer • Flagstone

Rocky Mountain

Producer • Tungsten

Steamboat Valley

Past Producer • Flagstone

Keystone

Past Producer • Gold

South Flat Pit

Producer • Sand and Gravel, Construction

Mackenzie

Past Producer • Tungsten

Dolittle

Past Producer • Gold

Rogers Tract 4

Past Producer • Tungsten

Spicer

Producer • Sand and Gravel, Construction

Spring Bear

Past Producer • Gold

Sunrise

Past Producer • Gold

Lucky Star

Past Producer • Gold

Orofino

Past Producer • Gold

Grand Island-Caribou District

Past Producer • Silver, Lead, Gold

Victory

Past Producer • Uranium

Hammons

Past Producer • Flagstone

Brace

Past Producer • Tungsten

Rusty Gold and Cerite Claims

Past Producer • REE

Grouse

Past Producer • Gold

Little Alice

Past Producer • Gold

Night Shade

Past Producer • Silver

Fourth of July

Past Producer • Gold

First National Bank

Occurrence • Gold

Greyback

Past Producer • Tungsten

Homestake

Past Producer • Gold

Peacock

Past Producer • Gold

C and M Gravel

Producer • Sand and Gravel, Construction

Hugo Ranch

Past Producer • Tungsten

Kline

Past Producer • Flagstone

Beryl No.1 & 2 Claims

Past Producer • Beryllium, Mica, Niobium (Columbium), Feldspar

Denver Rock Quarry

Past Producer • Tungsten

Cobalt Gold Mining Co

Past Producer • Nickel, Gold

Des Moines

Past Producer • Fluorine-Fluorite

United Empire

Past Producer • Gold

Beggar

Past Producer • Gold

Anchor

Past Producer • Gold

John W Fittslease Brodie

Producer • Stone, Crushed/Broken

East Boston

Past Producer • Gold

Jay Bird

Past Producer • Tungsten

Pandora

Past Producer • Tungsten

J Albine

Past Producer • Gold

Dozer

Past Producer • Tungsten

Beddig

Past Producer • Tungsten

N G Mitts Tungsten Prospect 2

Past Producer • Tungsten

United Building Stone

Past Producer • Flagstone

New Brunswick

Past Producer • Gold

Jacobson and Lyons

Past Producer • Flagstone

Roose Tunnel

Past Producer • Tungsten

Lily

Past Producer • Tungsten

Silver Queen

Producer • Tungsten

Maude S

Past Producer • Gold

Gilard

Past Producer • Gold

Silver Lake Dam

Past Producer • Gold

Kansas City

Past Producer • Gold

Tungsten

Past Producer • Tungsten

Boulder Gravel Products

Past Producer • Sand and Gravel, Construction

Golden Chest

Past Producer • Gold

Fairfax

Past Producer • Gold

Ni-Wot

Past Producer • Gold

Churchs Pit

Past Producer • Clay

Amalban Thief

Past Producer • Gold

Red Elephant

Past Producer • Silver

Wagner

Past Producer • Gold

Pineshade Mine

Past Producer • Tungsten

Silver King

Past Producer • Lead

Consolidated Caribou Silver Mine

Past Producer • Uranium

Tom Lyle Group

Past Producer • Gold

Boulder County Tunnel

Occurrence •

Oregon

Past Producer • Tungsten

St. Louis Mine

Past Producer •

Hereafter

Past Producer • Gold

Ma W

Past Producer • Gold

Free Courage

Occurrence • Gold

Fools Paradise Number 1 and 2

Past Producer • Gold

Gladys

Past Producer • Gold

Wolf Tongue

Past Producer • Tungsten

World

Past Producer • Tungsten

No 4

Past Producer • Tungsten

Ford

Past Producer • Gold

Atchison and Eldorado

Past Producer • Gold

Rawley

Past Producer • Flagstone

Chavez Mine

Producer • Tungsten

Madredoro

Past Producer • Gold

N G Mitts Tungsten Prospect 1

Past Producer • Tungsten

Hoosier Extension

Past Producer • Tungsten

Johnson

Past Producer • Flagstone

Sentinel

Past Producer • Gold

Rusty Dime

Past Producer • Gold

Unknown

Past Producer • Gold

Ridge

Past Producer • Tungsten

Ward H. Lamon

Past Producer • Gold

Myrtle

Past Producer • Gold

Horsfal

Past Producer • Gold

Bradshaw

Past Producer • Uranium

Dolly No.One

Past Producer • Gold

Struggler Group

Past Producer • Copper

Brannan Sand and Gravel Co

Producer • Sand and Gravel, Construction

Morning Glory

Past Producer • Gold

Unknown

Occurrence • Feldspar, Quartz

Nations Treasure

Past Producer • Fluorine-Fluorite

Eldorado

Producer • Clay

St James

Past Producer • Silver

Fair Day Mine

Past Producer •

Copper Blush

Past Producer • Gold

Ella C

Past Producer • Gold

Highline Prospect

Occurrence • Feldspar, Quartz

Nettie

Past Producer • Gold

Pickwick

Past Producer • Gold

Primos

Past Producer • Tungsten

Snow Flake

Past Producer • Gold

Little Juie

Past Producer • Gold

Big 5

Producer • Gold

Bigthing Buckhorn

Past Producer • Fluorine-Fluorite

Gladiator

Past Producer • Gold

New York Union

Past Producer • Gold

Tamborine

Occurrence • Gold

Osceola

Past Producer • Gold

George Henry

Past Producer • Gold

Eskimo

Past Producer • Gold

Jenkins

Producer • Sand and Gravel, Construction

Fitzsimons No One

Past Producer • Tungsten

Dillon

Past Producer • Tungsten

Diamond Group

Prospect •

Piddler

Past Producer • Tungsten

Lindsey Washer

Past Producer • Tungsten

Oneonta

Past Producer • Tungsten

New Rival-Black Rose

Past Producer • Gold

Frontier Pit and Plant

Producer • Sand and Gravel, Construction

Clark Tunnel

Past Producer • Tungsten

F G Watrous Tungsten Prospect

Past Producer • Tungsten

Miranda A. Johnson Lode

Occurrence •

Valley View

Past Producer • Gold

Sureshot

Past Producer • Gold

G and S

Past Producer • Gold

Mill No 2

Past Producer • Tungsten

Pfiefer

Past Producer • Flagstone

Marshall Clay Pit

Producer • Clay

Fair Day

Past Producer • Uranium

Eldorado Quarry

Unknown • Stone, Crushed/Broken

Kicker

Past Producer • Tungsten

X Ray and Sherly

Past Producer • Gold

Walker Ranch

Past Producer • Tungsten

Blue Jay

Past Producer •

Iron Dyke

Past Producer • Tungsten

Boodle

Past Producer • Gold

Seven-Thirty

Occurrence • Gold

Early Spring

Past Producer • Tungsten

Lady Franklin

Past Producer • Gold

Pine Grove Mine

Past Producer • Silver, Gold

Spartan No 5

Past Producer • Fluorine-Fluorite

Overseer

Past Producer • Gold

Hopewell and Rusty

Past Producer • Gold

Silent Friend

Past Producer • Tungsten

University of Colorado Quarry

Past Producer • Flagstone

New Year

Past Producer • Gold

Senator Hill

Past Producer • Gold

Helen B

Past Producer • Gold

Floyd

Past Producer • Tungsten

Wano

Past Producer • Gold

Fairmount

Past Producer • Gold

Copper Glance

Unknown • Gold

Hidden Treasure

Past Producer • Gold

Marnette

Producer • Sand and Gravel, Construction

Power Shaft

Past Producer • Gold

Ohline

Past Producer • Gold

Comstock

Producer •

Mill No One

Past Producer • Tungsten

Brown

Past Producer • Fluorine-Fluorite

Boston

Past Producer • Gold

Grey Eagle

Past Producer • Gold

Alaska Tunnel

Past Producer • Gold

Afterthought

Past Producer • Fluorine-Fluorite

Cash

Past Producer • Gold

Gillaspie and Big John

Past Producer • Gold

Rock Pit

Producer • Stone, Crushed/Broken

Eldorado

Past Producer • Clay

Happy Thought

Past Producer • Gold

Henna

Past Producer • Gold

Turnpike

Past Producer • Silver

Viola Beatty Claim

Past Producer • Gold

Tanner

Past Producer • Tungsten

David Owen

Past Producer • Gold

Congo Chief

Past Producer • Silver

Graphic

Past Producer • Gold

Rambler

Past Producer • Tungsten

Franklin

Past Producer • Gold

Belcher

Past Producer • Gold, Silver

Rafter Lease

Past Producer • Tungsten

Plain View

Past Producer • Gold

Arrowhead

Past Producer • Gold

Ingram

Past Producer • Gold, Silver

B. and M.

Unknown • Gold

Portable

Past Producer • Sand and Gravel, Construction

Simon

Past Producer • Gold

Golden Reward

Past Producer • Gold

Nil Sine Numine

Past Producer • Gold

Twin Brothers

Past Producer • Gold

Sussex

Past Producer • Gold

Erie Pit

Producer • Sand and Gravel, Construction

Sylvanite Tunnel

Past Producer • Silver

Jake Witter

Past Producer • Gold

Utica

Past Producer • Copper, Tungsten, Gold

Herold

Past Producer • Tungsten

Howe

Past Producer • Stone, Dimension

Humbug

Past Producer • Gold

Herald

Past Producer • Gold

Rocky Mountain Gold Mines

Past Producer • Gold

Stevens Camp Tunnels

Past Producer • Silver

Modoc

Past Producer • Gold

Trail & Diamond Claims

Past Producer • Tungsten

Walker Tunnel

Past Producer • Fluorine-Fluorite

Marion Mill

Unknown •

Twin Sister

Past Producer • Beryllium

Oklahoma

Past Producer • Gold

Alcyone

Past Producer • Gold

Macky

Past Producer • Gold

Black Hope No One

Past Producer • REE

Forest Home

Past Producer • Tungsten

Orphan Boy

Occurrence • Gold

Cross

Prospect • Tungsten

Pickett

Past Producer • Flagstone

Lakewood Mill

Past Producer • Tungsten

Colorado

Past Producer • Gold

Arapahoe Pit

Producer • Sand and Gravel, Construction

Black Jack Mine

Past Producer • Gold

Mojave

Past Producer • Tungsten

Tip Top

Past Producer • Silver

Bismark

Past Producer • Gold

Up To Date

Past Producer • Gold

Prospect Screening Plant

Past Producer • Tungsten

More

Past Producer • Thorium

Comstock and Pandora

Past Producer • Tungsten

Wisconsin

Past Producer • Gold

Bananza

Past Producer • Tungsten

Joe Smith Mill

Past Producer • Tungsten

Gordova

Past Producer • Gold

Cal-Wood Mica Mine

Past Producer • Mica

Allied Gold Mining Company

Past Producer • Gold

Nil Desperandum

Past Producer • Gold

Pine Shade

Past Producer • Gold

Tungsten King

Past Producer • Tungsten

Eureka Alta

Past Producer • Gold

National No 2

Past Producer • Gold

Ruby

Past Producer • Gold

Mcconnel

Past Producer • Flagstone

Trombo

Past Producer • Gold

Boulder Mill

Past Producer • Gold

N R A

Past Producer • Gold

E J and R M Ford

Past Producer • Gold

Emely

Past Producer • Gold

Gale

Past Producer • Tungsten

Crete

Past Producer • Tungsten

White Rock

Past Producer • Gold

Pueblo Belle

Past Producer • Tungsten

Alton Tunnel

Past Producer • Gold

U.P.

Unknown • Gold

Table Mesa Pit

Producer • Sand and Gravel, Construction

Gold Ring

Past Producer • Gold

Hoodoo

Past Producer • Gold

New California

Past Producer • Gold

Rio Tinto

Past Producer • Gold

Big Six

Past Producer • Tungsten

Goldfinch

Past Producer • Gold

Mary V

Past Producer • Gold

Carfield

Past Producer • Gold

Heil Brothers Quarry

Producer • Sand and Gravel, Construction

Little Maud

Past Producer • Gold

Fitzgerald

Past Producer • Tungsten

Brodies Saint Vrain

Past Producer • Flagstone

Great Western

Past Producer • Gold

Montezuma

Past Producer • Gold

Badger

Past Producer • Fluorine-Fluorite

Copeland Mines

Past Producer • Tungsten, Uranium

India

Past Producer • Gold

Dolly

Past Producer • Gold

Caribou Mine

Past Producer •

Alahambra

Past Producer • Gold

Interocean

Past Producer • Gold

Klondike

Past Producer • Gold

Bondholder

Past Producer • Gold

Lewis Lode

Past Producer • Bituminous

Lyons

Producer • Stone, Crushed/Broken

Princess Eulalia

Past Producer • Tungsten

Hercules

Past Producer • Gold

Skunk Tunnel

Past Producer • Gold

Tarbox Tunnel

Past Producer • Gold

April Fool

Past Producer • Tungsten

Ramey

Past Producer • Flagstone

Eldorado Springs

Unknown • Geothermal

Barron

Past Producer • Gold

Hurricane

Past Producer • Tungsten

Gina No 1 and 2

Past Producer • Gold

Marlatt

Producer • Sand and Gravel, Construction

Valmont

Past Producer • Fluorine-Fluorite

Buena Ventura

Past Producer • Gold

Tippecanoe

Past Producer • Gold

High Grade

Past Producer • Gold

Jenkins Pit

Producer • Clay

Jackson

Past Producer • Silver

Philadelphia

Producer • Tungsten

Big Cameron

Past Producer • Tungsten

Mountain Lion

Past Producer • Gold

Longmont Plant

Producer • Clay

Terror

Past Producer • Gold

Ophir

Past Producer • Gold

Ward Rose

Occurrence • Gold

Iron King Tunnel

Past Producer • Gold

Milan

Past Producer • Gold

Post Boy

Past Producer • Tungsten

Gold Lake Property

Past Producer • Uranium

Nederland Mill

Past Producer • Fluorine-Fluorite

Wa Ba Na

Past Producer • Gold

Buckskin Joe No 1

Past Producer • Gold

Black Jack

Producer • Copper

Hoosier

Past Producer • Tungsten

Leo the Lion Lode No 1

Past Producer • Mica

Black Rover

Past Producer • Tungsten

Summers

Past Producer • Flagstone

Range Veiw Mine

Past Producer • Tungsten

Clara

Past Producer • Gold

Union Pacific

Past Producer • Gold

Diana

Past Producer • Gold

Lost Lake Lode

Occurrence • Gold

Mikes Adit

Past Producer • Fluorine-Fluorite

Lucky Lady

Past Producer • Tungsten

Golden Queen

Unknown • Gold, Tungsten

Golden Crown Group

Past Producer • Gold

Button R Dam

Past Producer • Fluorine-Fluorite

Kekionga

Past Producer • Gold

Peewink

Past Producer • Tungsten

White Raven

Past Producer • Gold, Lead, Silver, Fluorine-Fluorite

Vavadium Corperation of America

Past Producer • Tungsten

Ward

Past Producer • Gold

Hollifield and Prime

Past Producer • Tungsten

Butch

Past Producer • Fluorine-Fluorite

Lake

Past Producer • Tungsten

Benson Washer

Past Producer • Tungsten

Argo

Past Producer • Fluorine-Fluorite

Jimtown Mining Co

Past Producer • Uranium

Farmer Boy

Past Producer • Gold

Doss

Past Producer • Gold

Horshoe Workings

Past Producer • Gold

John Jay

Producer • Gold

Silver Harp

Past Producer • Gold

Occidental

Past Producer • Gold

Governor Group

Past Producer • Gold

Mogul Tunnel

Producer • Copper

Primp

Past Producer • Tungsten

Eagle Rock

Producer • Tungsten

Burlington

Producer • Fluorine-Fluorite

Molly Gibson

Past Producer • Gold

Cross-Missing Link

Past Producer • Tungsten

Audophone

Past Producer • Gold

December

Past Producer • Gold

Golden Glow

Past Producer • Gold

Black Bear

Past Producer • Gold

Gold Hill Beryl Claims

Past Producer • Beryllium

Five Brothers

Past Producer • Gold

King Mountain

Past Producer • Stone, Crushed/Broken

Boulder Pit No.485

Producer • Sand and Gravel, Construction

Celestial

Past Producer • Gold

Corning

Past Producer • Gold

Pits One and Two

Past Producer • Clay

Magnolia

Past Producer • Gold

Great Britain

Past Producer • Gold

Blue Ribbon

Past Producer • Gold

Standard

Past Producer • Gold

Virginia Shaft

Past Producer • Gold

Pennsylvania

Past Producer • Tungsten

Wild Tiger Mine

Past Producer • Tungsten, Gold

Lone Tree

Past Producer • Tungsten

White and Headley Gold Mine Prop

Past Producer • Gold

Heil

Past Producer • Stone, Dimension

Degge Clark

Past Producer • Tungsten

Gold Farm

Past Producer • Gold

Nugget

Past Producer • Gold

Helena

Past Producer • Gold

Golden Belle

Past Producer • Gold

Hawkeye

Past Producer • Gold

Standard Mine

Past Producer • Gold

Beaver

Past Producer • Gold

Lucky Two

Past Producer • Tungsten

Rocking Wp Pit

Past Producer • Sand and Gravel, Construction

Carl Gardner

Past Producer • Gold

Unknown

Occurrence • Feldspar, Quartz

Quaker City

Past Producer • Tungsten

Roger Patent

Past Producer • Fluorine-Fluorite

White

Past Producer • Tungsten

New Discovery

Past Producer • Gold

Unknown

Occurrence • Gold, Silver

Sunshine Clay Mines

Producer • Fire Clay (Refractory)

Fourmile Cr. Placer

Occurrence • Gold

Lefthand Creek Placers

Occurrence • Gold

Unknown

Producer • Zinc, Lead, Silver

Rusty Gold and Cerite

Producer • REE

Fairday

Producer • Uranium

Marc. No. 1

Occurrence • Uranium

James Creek Placer

Occurrence • Gold

Unknown

Producer • Zinc, Lead

Victory Group

Producer • Uranium

Natio* Treasure

Occurrence • Fluorine-Fluorite

Highland

Occurrence • Feldspar

James Creek Placers

Occurrence • Gold

Lefthand Creek Placer

Occurrence • Gold

Gold Hill

Occurrence • Gold, Zinc, Lead

Lefthand Creek Placers

Occurrence • Gold

Bummers Creek Placers

Occurrence • Gold

Fourmile Cr. Placers

Occurrence • Gold

Gold Run Placers

Occurrence • Gold

Unknown

Occurrence • Stone, Crushed/Broken

Lefthand Creek Placers

Occurrence • Gold

Fraction Lode

Occurrence • Tungsten

West End

Occurrence • Gold, Silver

Caribou Hill Deposits

Producer • Iron

South Boulder Cr. Placers

Occurrence • Gold

South Boulder Cr. Placers

Occurrence • Gold

Fourmile Cr. Placers

Occurrence • Gold

Fourmile Creek Placers

Occurrence • Gold

South Boulder Creek Placers

Occurrence • Gold

Unknown

Occurrence • Gold

Unknown

Occurrence • Gold

Unknown

Occurrence • Gold, Silver

Unknown

Occurrence • Gold, Silver

No. Beaver Cr. Placers

Occurrence • Gold

Coon Trail Creek Placers

Occurrence • Gold

Mt Pleasent

Past Producer • Lead

Beryl Lode Claim

Past Producer • Beryllium, Feldspar

Amy Paul

Past Producer • Gold

Majestic

Past Producer • Gold

Conger Mine

Past Producer •

Zephyr

Occurrence • Gold

Unknown

Occurrence • Gold

Unknown

Occurrence • Gold

Unknown

Occurrence • Stone, Crushed/Broken

Smoky Gold United

Past Producer • Gold

Otego

Past Producer • Tin

Nugget Group

Past Producer • Gold

One and Three Quarters

Past Producer • Tungsten

National Tungsten

Past Producer • Gold

Steel Plate Tungsten Mine

Past Producer • Tungsten

Arapahoe Group of Claims

Prospect • Gold

Longfellow

Past Producer • Copper, Gold

Little More

Past Producer • Gold

Horseshoe Comstock Holland Roxbury

Past Producer • Tungsten

Staughton

Past Producer • Gold

Hideaway No 1

Past Producer • Gold

Empress

Past Producer • Tungsten

Black Prince

Producer • Gold, Tungsten

Eureka

Past Producer • Gold

Lord Byron

Past Producer • Gold

Goldsmith Maid

Past Producer •

Niagra

Past Producer • Tungsten

William E Walker Mine

Past Producer • Tungsten

Dime

Occurrence • Gold

Fortune

Past Producer • Gold

Yellow Jacket

Past Producer • Gold

Tungsten Custom Mill

Past Producer • Tungsten

Jap

Past Producer • Tungsten

Mountain Plains

Past Producer • Gold

Nations Treasure Mine

Past Producer • Fluorine-Fluorite

Violet Ray

Past Producer • Fluorine-Fluorite

Norway

Past Producer • Gold

Poorman

Past Producer • Gold

Catastrophe

Past Producer • Tungsten

Mystery Group

Past Producer • Gold

Sisk Mine

Past Producer •

Wigwam

Past Producer • Silver, Gold

Rogers Tract 3

Past Producer • Tungsten

Junior Shaft

Past Producer • Gold

Dodge

Past Producer • Silver

Gold King

Past Producer • Gold

Loukonen Bros Silica Mine

Producer • Silica

Mountain Aggregates

Past Producer • Sand and Gravel, Construction

Sister Emma

Past Producer • Tungsten

Hallie A Tungsten

Past Producer • Tungsten

Hygiene Pit

Producer • Sand and Gravel, Construction

Three

Occurrence • Gold

Nancy Group

Past Producer • Gold

Copeland Group

Past Producer • Tungsten

Manchester

Past Producer • Tungsten

Kingston

Past Producer • Tungsten

Martin-Marietta Cement Plant

Producer • Stone, Crushed/Broken

Cold Spring One and Three

Past Producer • Tungsten

Gem

Past Producer • Tungsten

Cold Spring Mine

Past Producer • Gold, Silver, Tungsten

Enterprise Mine

Past Producer •

Roosevelt Lease

Past Producer • Tungsten

Lost Dutchman

Past Producer • Gold

Summit Shaft

Past Producer • Gold

Dutch Park and Silver Point

Unknown • Gold

Equator

Past Producer • Gold

King Wilhelm

Past Producer • Gold

California

Producer • Gold

Ogalla

Past Producer • Gold

Dam Waters Group

Past Producer • Flagstone

Lady Bug

Past Producer •

Rose

Past Producer • Gold

Bell

Past Producer • Gold

Puzzler

Past Producer • Gold

Boulder Mine

Past Producer • Gold

Cross No 4

Past Producer • Tungsten

Missoula

Past Producer • Gold

No Soni Claim

Prospect •

None

Past Producer • Tungsten

Elkhorn Prospect

Occurrence • Feldspar, Mica

Spider Leg

Past Producer • Tungsten

Livingston

Occurrence • Gold

Poupout

Past Producer • Tungsten

Marion Mill

Producer • Tin

Colorado Miracle

Past Producer • Gold

Sparkling Jewell

Past Producer • Gold

Cowdry Mill

Unknown • Tungsten

Little Princess

Past Producer • Gold

Ruski Quarry

Past Producer • Flagstone

Green Spar

Past Producer • Fluorine-Fluorite

Brannan Pit Number 14

Past Producer • Sand and Gravel, Construction

Black Rose Mine

Past Producer • Gold, Silver

Gold Lake Property

Occurrence • Uranium

Bonanza No 2

Producer • Tungsten

Dorothy, Katy

Producer • Tungsten

So Boulder Cr

Occurrence • Gold

Ohio Tungsten Mine

Producer • Tungsten

May Blossom No 2

Past Producer • Gold

Roslyn

Past Producer • Gold

Nederland

Past Producer • Gold

Gold Cross

Past Producer • Gold

Railroad Boy Group of Mines

Past Producer • Gold

Scotia

Past Producer • Gold

Colo Springs Tungsten Placer

Past Producer • Tungsten

Kirts

Past Producer • Flagstone

Queen

Occurrence • Gold

Tri State

Past Producer • Flagstone

Cashier

Past Producer • Gold

Silver Lode

Past Producer • Gold

Sprague Red

Producer • Sand and Gravel, Construction

Clara May

Past Producer • Gold

1905 Mine

Past Producer • Tungsten

Valmont Mill

Past Producer • Silver

Cleveland

Past Producer • Gold

Town Lot

Past Producer • Tungsten

Mountain Squaw

Past Producer • Uranium

Blue Bird Mine

Past Producer •

Minnie Foy Mine

Past Producer • Tungsten

Moon

Past Producer • Silver

Ellen

Past Producer • Gold

Little Bonnie Mine

Past Producer • Beryllium

Victoria

Past Producer • Gold

Victor Mine

Past Producer •

David Mine

Past Producer • Gold

Red Gold

Past Producer • Gold

Bailey Gravel Pit

Producer • Sand and Gravel, Construction

King Group

Past Producer • Gold

Katie

Past Producer • Tungsten

Great Northern

Past Producer • Silver

Mccall Quarries

Past Producer • Flagstone

Dunraven

Past Producer • Gold

Brainard Lake Plant

Past Producer • Copper

Fisk

Past Producer • Gold

Ten

Past Producer • Tungsten

Santa La Saria

Past Producer • Gold

Birds Nest and Village Belle

Past Producer • Gold

Emmet

Past Producer • Clay

Dolly Varden

Past Producer • Gold

Red Sign

Producer • Tungsten

Three Brothers

Past Producer • Gold

Milwaukee

Past Producer • Gold

Glen Clover

Past Producer • Gold

Good Hope

Past Producer • Tungsten

Fair One

Past Producer • Tungsten

Mccann Clay Mine

Producer • Clay

Greenhorn

Past Producer • Tungsten

Blue Stone Mines Inc

Past Producer • Fluorine-Fluorite

Nelson

Past Producer • Gold

Phil G Skrbina

Past Producer • Sand and Gravel, Construction

St Elmo

Past Producer • Tungsten

Columbia

Past Producer • Gold

Recluse

Past Producer • Gold

Tungsten Group

Past Producer • Tungsten

Revenge

Occurrence • Gold

New Girl

Past Producer • Fluorine-Fluorite

Quay

Past Producer • Tungsten

Gold Lake

Prospect •

Colorado Brick

Producer • Clay

Lawrence

Past Producer • Tungsten

Barker

Past Producer • Tungsten

Belmont

Past Producer • Gold

Jack and Summit

Past Producer • Tungsten

High Line

Past Producer • Gold

Flatiron Sand and Gravel

Producer • Sand and Gravel, Construction

Tornado

Past Producer • Gold

Last Chance

Past Producer • Tungsten

Dewey Rocky Mountain

Past Producer • Stone, Crushed/Broken

Western Slope

Past Producer • Gold

Ozark-Mahoning

Past Producer • Fluorine-Fluorite

Manyon

Past Producer • Tungsten

Dale Taylor Lease Loukon

Producer • Stone, Crushed/Broken

Rogers No 11

Producer • Tungsten

Unknown

Occurrence • Feldspar, Quartz

Vinegar

Past Producer • Gold

Johnson Brothers and Prime

Past Producer • Tungsten

Thunderbolt-Roman Eagle

Past Producer • Gold

Illinois

Past Producer • Tungsten

Ohio Tungsten

Past Producer • Tungsten

Crow No 36

Past Producer • Tungsten

Jamestown District

Occurrence • Gold, Tungsten, Tellurium

Ward District

Occurrence • Gold, Tungsten, Copper

Boulder District-Colorado

Producer • Tungsten

Porphyry Mountain prospect

Prospect • Molybdenum

Lora claims

Occurrence •