|
Mine
|
County
|
|
G & S Mines
|
Boulder
|
|
G. M. G.
|
San Miguel
|
|
G-1, 1-A, G-2, G-3, G-4
|
Mesa
|
|
Gagen Tunnel
|
Summit
|
|
Galana Mountain Gold & Silver Mining Company
|
San Juan
|
|
Galena
|
Gilpin
|
|
Galena & Lost Day Mines
|
Ouray
|
|
Galena Group
|
San Juan
|
|
Galena Mine
|
Teller
|
|
Galena Mountain Group
|
Gunnison
|
|
Galena Queen
|
San Juan
|
|
Gallic Vulcan Mine
|
Hinsdale
|
|
Game Ridge
|
Custer
|
|
Garbutt Mine
|
Lake
|
|
Garden City Shaft
|
Lake
|
|
Garden Park
|
Fremont
|
|
Gardner
|
Boulder
|
|
Gardner Emancipation Consolidated Mines Company
|
Boulder
|
|
Gardner Mine
|
Gilpin
|
|
Gardner Mine #556
|
Boulder
|
|
Garfield Mine
|
Boulder
|
|
Garfield Mine
|
Chaffee
|
|
Garfield Vanadium
|
Garfield
|
|
Garibaldi Tunnel
|
Lake
|
|
Garn G. Christensen
|
Chaffee
|
|
Garo Copper Syndicate
|
Park
|
|
Garratt Shale Adit
|
Garfield
|
|
Garrett Shale Adit
|
Garfield
|
|
Garry Owen Mine
|
San Juan
|
|
Garvie Mine
|
Park
|
|
Gary Oil Shale Holdings
|
Garfield
|
|
Gaston Claim
|
Gilpin
|
|
Gateways Alloys
|
Mesa
|
|
Gatlin Mine
|
Boulder
|
|
Gaunlet Gold Mining
|
Gilpin
|
|
Gaw Shaft
|
Lake
|
|
Gearhart
|
Mesa
|
|
GEC - Corley Strip
|
Fremont
|
|
Gem Mine
|
Clear Creek
|
|
Gem Mine
|
Pitkin
|
|
Gem Mines
|
Teller
|
|
General Howard
|
Dolores
|
|
General Mine
|
Montrose
|
|
General Mines & Oil Company
|
Jefferson
|
|
General Sherman
|
Hinsdale
|
|
General Teller
|
Summit
|
|
General Vermiculite Mine
|
Custer
|
|
Genesee - Vanderbilt
|
Ouray
|
|
Geneva
|
Teller
|
|
Geneva and Matoa
|
Teller
|
|
Gent No. 1
|
Moffat
|
|
Geo. No. 1
|
Montrose
|
|
George Henry Mine
|
Boulder
|
|
George the Third Mine
|
Hinsdale
|
|
George Washington Group
|
Hinsdale
|
|
Georgetown
|
Clear Creek
|
|
Georgetown Dam
|
Clear Creek
|
|
Gerald T
|
San Miguel
|
|
German Mine
|
Clear Creek
|
|
German Mine
|
Gilpin
|
|
Germania Mine
|
Summit
|
|
Germany Group
|
Clear Creek
|
|
Gertrude Claim
|
Lake
|
|
Gerty, Hayes & Wheeler
|
Gilpin
|
|
Gettysberg Mine
|
Gilpin
|
|
Gettysburg Mine
|
Boulder
|
|
Geyser Group
|
Dolores
|
|
Geyser Mine
|
Clear Creek
|
|
GFYCO
|
Gilpin
|
|
Giant Crystal
|
Larimer
|
|
Giant Eclipse Construction Mining
|
Chaffee
|
|
Giant Lode
|
Hinsdale
|
|
Giant Lode
|
Lake
|
|
Gilard Mine
|
Boulder
|
|
Gilbert
|
Montrose
|
|
Gillespie Group
|
Clear Creek
|
|
Gillett Mill Tailings Dump
|
Teller
|
|
Gillispie & Brighton Mines
|
Boulder
|
|
Gilpin - Orion Mine
|
Gilpin
|
|
Gilpin Boulder Consolidated Mines Company
|
Gilpin
|
|
Gilpin County
|
Gilpin
|
|
Gilpin County Mine
|
Boulder
|
|
Gilpin Gold Mountain Mining & Milling Company
|
Gilpin
|
|
Gilpin Tramway
|
Gilpin
|
|
Gilpin Tungsten Production
|
Gilpin
|
|
Gilt Edge Mine
|
Clear Creek
|
|
Gilt Edge Mine
|
Lake
|
|
Gina #1 & #2
|
Boulder
|
|
Ginbson Mine
|
Gilpin
|
|
Girard Holdings
|
Mesa
|
|
Gismo
|
Saguache
|
|
Glacier Mine
|
Conejos
|
|
Gladiator Mine
|
Boulder
|
|
Gladstone
|
Boulder
|
|
Gladstone Mines
|
Chaffee
|
|
Gladys Mine
|
Boulder
|
|
Glasco Mine
|
Clear Creek
|
|
Glasgow Mine
|
Clear Creek
|
|
Glen #27
|
San Miguel
|
|
Glen Clover Mine
|
Boulder
|
|
Glen Cove Sewage System
|
El Paso
|
|
Glen Cove Water System Tunnel
|
El Paso
|
|
Glendale Mine
|
Gilpin
|
|
Glennalla Gold Mining Company
|
Gilpin
|
|
Glennalla Mine
|
Clear Creek
|
|
Glenullin Gold Mines Company
|
Summit
|
|
Glenwood Exploration Company
|
Eagle
|
|
Glenwood Springs Tunnel
|
Garfield
|
|
Globe - Newmont
|
Teller
|
|
Globe Hill Shovel Operations
|
Teller
|
|
Gloria Mining Company
|
Lake
|
|
Glorietta Shaft
|
Teller
|
|
Glory Hole Mine
|
Gilpin
|
|
Gloryhole
|
Clear Creek
|
|
Glover Tunnel
|
Lake
|
|
Gnome
|
Hinsdale
|
|
Go-Boy
|
Mesa
|
|
Golconda Group
|
Rio Grande
|
|
Golconda Mine
|
Hinsdale
|
|
Golconda Tunnel
|
Clear Creek
|
|
Gold & Silver Mining & Milling Company
|
Ouray
|
|
Gold Anchor
|
Clear Creek
|
|
Gold Anchor Mine
|
Dolores
|
|
Gold Basin Group
|
Gilpin
|
|
Gold Bell Mining Milling & Tunneling Company
|
Summit
|
|
Gold Belt Drainage, Transportation & Tunnel Company
|
Gunnison
|
|
Gold Belt Tunnel
|
Clear Creek
|
|
Gold Block Mine
|
San Miguel
|
|
Gold Bond Development Company
|
Boulder
|
|
Gold Bond Mine
|
Teller
|
|
Gold Bug
|
Chaffee
|
|
Gold Bug Mine
|
Clear Creek
|
|
Gold Bug Mine
|
Eagle
|
|
Gold Bug Mine
|
Larimer
|
|
Gold Camp
|
Chaffee
|
|
Gold Chest
|
Clear Creek
|
|
Gold Chief Group
|
Boulder
|
|
Gold Cloud Mine
|
Gilpin
|
|
Gold Coin & White
|
San Juan
|
|
Gold Coin Mine
|
Larimer
|
|
Gold Coin Mine
|
Teller
|
|
Gold Crest Mine
|
Summit
|
|
Gold Crown
|
San Juan
|
|
Gold Crown Mountain Corporation
|
La Plata
|
|
Gold Cup Mine
|
Gilpin
|
|
Gold Cup Mine
|
Gunnison
|
|
Gold Cup Mine
|
Jackson
|
|
Gold Dirt Mine
|
Clear Creek
|
|
Gold Dirt Mine
|
Gilpin
|
|
Gold Dollar
|
Montezuma
|
|
Gold Dollar Mine
|
Clear Creek
|
|
Gold Dollar Mine
|
Teller
|
|
Gold Dust Mine & Mill
|
Boulder
|
|
Gold Eagle
|
Chaffee
|
|
Gold Eagle
|
Chaffee
|
|
Gold Farm Mine
|
Boulder
|
|
Gold Finch
|
Boulder
|
|
Gold Fissure Mine
|
Clear Creek
|
|
Gold Fissure Mine
|
Summit
|
|
Gold Fountain Mine
|
San Juan
|
|
Gold Glen Mine
|
Clear Creek
|
|
Gold Hill Concentrating Company
|
Boulder
|
|
Gold Hill Mining Company
|
Boulder
|
|
Gold Hub Mines
|
San Juan
|
|
Gold Key
|
Clear Creek
|
|
Gold Key Mine
|
Gilpin
|
|
Gold King
|
Ouray
|
|
Gold King
|
San Miguel
|
|
Gold King
|
Teller
|
|
Gold King & Gold Queen Claims
|
Custer
|
|
Gold King Mine
|
Clear Creek
|
|
Gold King Mine
|
La Plata
|
|
Gold King Mine
|
Teller
|
|
Gold King Mines
|
San Juan
|
|
Gold King Mining & Exploration Company
|
Gilpin
|
|
Gold Leaf
|
Boulder
|
|
Gold Links Mine
|
Gunnison
|
|
Gold Lion
|
Ouray
|
|
Gold Lode
|
Custer
|
|
Gold Lode Mine
|
Boulder
|
|
Gold Metal Mine
|
Clear Creek
|
|
Gold Meter Mining Company
|
Hinsdale
|
|
Gold Monument Mine
|
Gunnison
|
|
Gold Mountain Mining & Improvement Company
|
Boulder
|
|
Gold Nugget
|
Custer
|
|
Gold Nugget Mines Company
|
Boulder
|
|
Gold Park Shaft
|
Eagle
|
|
Gold Pick Mining & Milling Company
|
Gunnison
|
|
Gold Pot
|
Clear Creek
|
|
Gold Prince Mine
|
San Juan
|
|
Gold Producers Incorporated
|
Teller
|
|
Gold Quartz
|
Hinsdale
|
|
Gold Ridge Lode
|
Park
|
|
Gold Rock Mine
|
Gilpin
|
|
Gold Run Tunnels
|
Montezuma
|
|
Gold Seal Mining & Milling Company
|
Gilpin
|
|
Gold Slide Mining
|
Park
|
|
Gold Sovereign Mine
|
Teller
|
|
Gold Star
|
Park
|
|
Gold Star Mining Company
|
Gilpin
|
|
Gold Stud
|
Clear Creek
|
|
Gold Top
|
Park
|
|
Gold Valley Mine
|
Clear Creek
|
|
Gold Vein Mining
|
Gunnison
|
|
Gold Wak Mine
|
Clear Creek
|
|
Gold Wave Group
|
Park
|
|
Golden Age Mine
|
Boulder
|
|
Golden Beaver Mine
|
Summit
|
|
Golden Bell Mine
|
Boulder
|
|
Golden Cache
|
Chaffee
|
|
Golden Calf Mine
|
Clear Creek
|
|
Golden Calf Mining
|
Chaffee
|
|
Golden Chest Project
|
Boulder
|
|
Golden Chief
|
Gilpin
|
|
Golden Comet
|
Eagle
|
|
Golden Cresent Mine
|
Gilpin
|
|
Golden Cross Mine
|
Boulder
|
|
Golden Crown Mine
|
Boulder
|
|
Golden Crown Mine
|
Clear Creek
|
|
Golden Cycle
|
El Paso
|
|
Golden Cycle
|
Gilpin
|
|
Golden Cycle Corporation
|
Teller
|
|
Golden Dollar Mine
|
Gilpin
|
|
Golden Eagle
|
Montrose
|
|
Golden Eagle
|
San Miguel
|
|
Golden Eagle Mine
|
Boulder
|
|
Golden Eagle Mine
|
Clear Creek
|
|
Golden Eagle Mine
|
Teller
|
|
Golden Eagle Mining Association
|
Teller
|
|
Golden Edge
|
Routt
|
|
Golden Edge Mine
|
Clear Creek
|
|
Golden Empire Mining
|
Clear Creek
|
|
Golden Era Mine
|
Park
|
|
Golden Fleece
|
Hinsdale
|
|
Golden Gate
|
Clear Creek
|
|
Golden Girl
|
La Plata
|
|
Golden Globe Mining Corporation
|
Teller
|
|
Golden Harp Mine
|
Boulder
|
|
Golden Heart
|
Eagle
|
|
Golden Hope Group
|
Saguache
|
|
Golden Horn Mine
|
San Juan
|
|
Golden Islet
|
Gunnison
|
|
Golden Ledge Group
|
Gilpin
|
|
Golden Mammoth Mine
|
Hinsdale
|
|
Golden Monarch
|
San Juan
|
|
Golden Princess
|
Boulder
|
|
Golden Quality No. 4
|
Fremont
|
|
Golden Quality No. 5
|
Fremont
|
|
Golden Queen
|
Boulder
|
|
Golden Queen Mining & Milling Company
|
Chaffee
|
|
Golden Queen Tunnel
|
Chaffee
|
|
Golden Reward Mine
|
Boulder
|
|
Golden Reward Mine
|
Larimer
|
|
Golden Rod Mine
|
Teller
|
|
Golden Rose
|
La Plata
|
|
Golden Rule
|
Clear Creek
|
|
Golden Splendor
|
Custer
|
|
Golden Stairs
|
Gunnison
|
|
Golden Star Mine
|
Gilpin
|
|
Golden Sun Mine
|
Gilpin
|
|
Golden Thread Mining Company
|
Lake
|
|
Golden Treasure Tunnel
|
Saguache
|
|
Golden Triangle Mine
|
Boulder
|
|
Golden Wonder
|
Hinsdale
|
|
Golden Wonder Mine
|
Chaffee
|
|
Goldenrod Mine
|
Larimer
|
|
Goldite Mine
|
Fremont
|
|
Goldora Mine
|
Larimer
|
|
Goldsmith Maid Mine
|
Boulder
|
|
Goliath Mining Company
|
Lake
|
|
Gomer Mine
|
Gilpin
|
|
Gonella Claim
|
Gilpin
|
|
Good Fortune Mine
|
Gilpin
|
|
Good Friday Mine
|
Boulder
|
|
Good Hope
|
Boulder
|
|
Good Hope
|
Fremont
|
|
Good Hope
|
Garfield
|
|
Good Hope
|
La Plata
|
|
Good Hope
|
Montrose
|
|
Good Hope - Vulcan
|
Gunnison
|
|
Good Hope Mine
|
San Juan
|
|
Good Lock Mine
|
Clear Creek
|
|
Good Luck
|
Clear Creek
|
|
Good Luck Group
|
Hinsdale
|
|
Good Luck Mine
|
Gilpin
|
|
Goodwill Tunnel
|
Teller
|
|
Gopher
|
San Miguel
|
|
Gordon
|
Lake
|
|
Gordon Smith & Company
|
Mesa
|
|
Gordon Smith & Company
|
Montrose
|
|
Gordon Tiger
|
Lake
|
|
Gordova
|
Boulder
|
|
Gore Creek Project
|
Eagle
|
|
Gormax Mine No. 1
|
Mineral
|
|
Governor
|
San Miguel
|
|
Governor Group
|
Ouray
|
|
Governor Mine
|
Summit
|
|
G-Pit
|
Clear Creek
|
|
Grace
|
Lake
|
|
Grace
|
Montrose
|
|
Grace Greenwood
|
Teller
|
|
Grace Mine
|
Boulder
|
|
Grace Mine
|
Gilpin
|
|
Graham Mine
|
Gilpin
|
|
Grahamite
|
Grand
|
|
Granby Dam
|
Grand
|
|
Grand
|
Teller
|
|
Grand & Clear Creek
|
Clear Creek
|
|
Grand Army
|
Mineral
|
|
Grand County Mine
|
Boulder
|
|
Grand Dad #2
|
Montrose
|
|
Grand Republic
|
Boulder
|
|
Grand Union Mine
|
Gilpin
|
|
Grand Valley Irrigation Project #12R18896
|
Mesa
|
|
Grand Valley Oil & Shale Company
|
Garfield
|
|
Grand View Group
|
Clear Creek
|
|
Grand View Mine
|
Boulder
|
|
Grand View Mine
|
Gilpin
|
|
Grand View Mines
|
Garfield
|
|
Granite Hill
|
Teller
|
|
Granite Hill Mining & Milling Company
|
Teller
|
|
Granite Mine
|
Gilpin
|
|
Granite Mine
|
Lake
|
|
Granite Mining
|
Chaffee
|
|
Granite Mountain
|
Gunnison
|
|
Grant
|
Gilpin
|
|
Grant Mine
|
Boulder
|
|
Grant's Claim
|
San Miguel
|
|
Grapevine
|
Jefferson
|
|
Graphic Mine
|
Boulder
|
|
Grass Roots
|
Montrose
|
|
Grassy Creek Strip
|
Routt
|
|
Grassy Flats
|
San Miguel
|
|
Grassy Hill
|
La Plata
|
|
Grassy Hill Group
|
San Miguel
|
|
Gravel Bank @ Mile Post 25
|
Teller
|
|
Gravel Bank @ Mile Post 38
|
Teller
|
|
Gray Back Mining & Milling Company
|
Costilla
|
|
Gray Bird
|
Boulder
|
|
Gray Claim
|
Montrose
|
|
Gray Copper Mine
|
Boulder
|
|
Gray Eagle Gold Mines Company
|
Gunnison
|
|
Gray Eagle Leasing Company
|
Lake
|
|
Gray Eagle Mine
|
Boulder
|
|
Gray Eagle Mine
|
Teller
|
|
Gray Hound Mine
|
Ouray
|
|
Gray Jeep Claims
|
Gunnison
|
|
Grayback Mine
|
Boulder
|
|
Graysill Group
|
Saguache
|
|
Great Britain Mine
|
Boulder
|
|
Great Divide Mine
|
San Juan
|
|
Great Eastern
|
Park
|
|
Great Eastern
|
San Juan
|
|
Great Eastern Mine
|
Park
|
|
Great Hesper
|
Mesa
|
|
Great Hope
|
Lake
|
|
Great Mammoth
|
Gilpin
|
|
Great West Mine
|
Boulder
|
|
Great Western Gold Mining Company
|
Teller
|
|
Great Western Group
|
Montrose
|
|
Great Western Mine
|
Ouray
|
|
Great Western Mine
|
Park
|
|
Greater Colorado Mining & Reduction Company
|
Teller
|
|
Greater Gold Belt Mines Company
|
Teller
|
|
Green Back
|
Montrose
|
|
Green Hawk
|
Gunnison
|
|
Green Lode Claim
|
Fremont
|
|
Green Mountain Dam
|
Summit
|
|
Green Mountain Girl
|
Summit
|
|
Green Mountain Mining Company
|
Fremont
|
|
Green Mt. Copper
|
Fremont
|
|
Green River Mine
|
Routt
|
|
Green River Mining
|
Clear Creek
|
|
Green Spar Mine
|
Boulder
|
|
Green Valley No. 2
|
Delta
|
|
Greenback Mining Company
|
Lake
|
|
Greenhorn Gold Mining Company
|
Fremont
|
|
Greenlee - Stevenson
|
Saguache
|
|
Greenside Mine
|
Gilpin
|
|
Greenville Mine
|
Routt
|
|
Greenwald Tunnel
|
Lake
|
|
Gregory Oil Shale Holdings
|
Garfield
|
|
Greves Tunnel
|
Hinsdale
|
|
Grey Copper Mining & Milling Company
|
Ouray
|
|
Grey Creek
|
Las Animas
|
|
Grey Eagle Group
|
San Juan
|
|
Grey Eagle Mine
|
Garfield
|
|
Grey Falcon
|
Gunnison
|
|
Griffin Mine
|
Lake
|
|
Griffith Mine
|
Clear Creek
|
|
Grizzley
|
Gilpin
|
|
Grizzley Bear
|
Ouray
|
|
Grizzly Bear Group
|
Ouray
|
|
Grizzly Creek Strip
|
Jackson
|
|
Grizzly Gulch Group
|
Clear Creek
|
|
Ground Hog
|
San Miguel
|
|
Ground Hog Mine
|
Eagle
|
|
Ground Hog Mine
|
Summit
|
|
Groundhog Tunnel
|
Lake
|
|
Grouse Mine
|
Boulder
|
|
Grover
|
Clear Creek
|
|
Grover Cleveland Tunnel
|
Saguache
|
|
Grunwald
|
San Miguel
|
|
Guadalcanal
|
Montrose
|
|
Guadaloupe Mine
|
Ouray
|
|
Gum Tree Mine
|
Clear Creek
|
|
Gumaer Mine
|
Fremont
|
|
Gunnell Mine
|
Gilpin
|
|
Gunnison
|
Saguache
|
|
Gunnison Copper Mine
|
Gunnison
|
|
Gunnison Mine
|
Gunnison
|
|
Gunnison Mining Company
|
Gunnison
|
|
Gunnison Tunnel
|
Montrose
|
|
Guston Mine
|
Ouray
|
|
Gypsum Canon Mining, Milling & Development Company
|
Eagle
|
|
Gypsum Valley Number 3
|
San Miguel
|
