Mine

County

Notes

F & C Mine

Clear Creek

Miscellaneous "F"

F & G

Baca

F Tunnel

Montrose

Miscellaneous "F"

F. F. F.

Gilpin

Miscellaneous "F"

F. W. Forst Construction Company

San Miguel

Miscellaneous "F"

Fae & Ruby Claims

La Plata

Miscellaneous "F"

Fair Day

Boulder

Fair Fox Mining Company

Teller

Miscellaneous "F"

Fair U

Moffat

Miscellaneous "F"

Fairburn

Gilpin

Miscellaneous "F"

Fairchance Mines Limited

Teller

Miscellaneous "F"

Faircount Mine

Boulder

Miscellaneous "F"

Faircount, Denver, Pike and Meridian Mines

Boulder

Miscellaneous "F"

Fairfax Mine

Boulder

Fairfield Mine

Gilpin

Fairview Dam

Montrose

Miscellaneous "F"

Fairview Mine

Boulder

Fairview Mine

San Juan

Fairview Mine

San Miguel

Fairview Mine

Teller

Fairview Mine

Gunnison

Fairview Shaft

Lake

Fairy King

Montrose

Miscellaneous "F"

Falcon

San Miguel

Falcon Mine

Dolores

Falk Drilling

Montrose

Miscellaneous "F"

Falkan Hill

Jefferson

Miscellaneous F

Fall Creek

Clear Creek

Miscellaneous "F"

Fall Creek

San Miguel

Fall River Dam

Clear Creek

Famous Mine

Lake

Fanchou Mine

Lake

Fannie B Mine

Gilpin

Fanny Barrett Company

Park

Fanny Fern Mine

Hinsdale

Fanny Mine

Gilpin

Miscellaneous "F"

Fanny Rawlins Mine

Lake

Farmer Boy

Boulder

Miscellaneous "F"

Farmer Boy

La Plata

Farmer Boy Mine

Montrose

Miscellaneous "F"

Farmer Girl

Montrose

Farmers Mine

Delta

Farwell

Routt

Farwell Mountain Copper Company

Routt

Miscellaneous "F"

Faultless

San Miguel

Fauntleroy Mine

Teller

Favorite Mine

San Miguel

Favorite Mine

Teller

Fawn Springs Group

Montrose

Fawn Springs No. 29

Montrose

Fay Mine

Montrose

Federal Mine & Mill

Gilpin

Felton, S. M. Jr.

Garfield

Fenton Syndicate

Clear Creek

Feres Development Company

Park

Miscellaneous "T"

Ferro Alloy Company

Denver

Ferrum Mining Company

Lake

Miscellaneous "F"

Fidelity Mine

Lake

Fields Beryllium

Gunnison

Fifty Gold Mines

Gilpin

Miscellaneous "F"

Findley Mine

Teller

Firebird & Groundhog

Montrose

Firecracker No. 1, 2, 3, 4

Montrose

Firefly

San Miguel

First Chance Mine

Fremont

Miscellaneous F

First Chance Mine

Teller

Miscellaneous "F"

First Iowa Mine

Custer

First National Bank Shaft

Montrose

First National Kansas

Gilpin

Miscellaneous "F"

First National Mine

Lake

Fisherman

Summit

Miscellaneous "F"

Fiske, Julia

Lake

Fitzsimmons Mine & Mill

Boulder

Five Brothers Mine

Boulder

Five Duces Mine

Gilpin

Miscellaneous "F"

Five Twenty Mine

Lake

Flanders Mining

Gunnison

Flat Broke Group

San Juan

Flat Top

Mesa

Flivver, Jazz, Statica, & Spaghetti

Gunnison

Miscellaneous "F"

Flora Bell Mining

Chaffee

Florado Mining Company

Summit

Florence

Teller

Miscellaneous "F"

Florence Extension

Chaffee

Miscellaneous "F"

Florence Group

Montrose

Florence Group

San Miguel

Miscellaneous "F"

Florence Leasing Company

Gunnison

Miscellaneous "F"

Florence Mine

Clear Creek

Florence Mine

Gilpin

Florence Mining & Leasing Company

Chaffee

Miscellaneous "F"

Florence R. Mine

Routt

Miscellaneous "F"

Florence Shaft

Chaffee

Miscellaneous "F"

Florissant

Teller

Miscellaneous "F"

Flossie D Manufacturing Company

Chaffee

Miscellaneous "F"

Flouride Mine

Boulder

Miscellaneous "F"

Flourite Mine

Boulder

Miscellaneous "F"

Floyd Hill Mine

Clear Creek

Miscellaneous "F"

Flying Cloud Shaft

Teller

Miscellaneous "F"

Flying W

El Paso

Miscellaneous "F"

Food Cliff Mine

Clear Creek

Fool's Paradise

Boulder

Miscellaneous "F"

Foot & Simons Mine

Gilpin

Miscellaneous B

Foot Hills

Jefferson

Foote Mineral

Montrose

Foothills Project

Douglas

Forbes Mine

Lake

Ford Hill Tunnel

Clear Creek

Miscellaneous "F"

Forest Hill

Gunnison

Forest Home Mine

Boulder

Forest King Mine

Conejos

Forest Mine

Boulder

Miscellaneous "F"

Forest Mine

Dolores

Forest Queen & Denver No. 3

Chaffee

Miscellaneous "F"

Forest Queen Mine

Gunnison

Forest Queen Mine

Teller

Forfar Mine

Gilpin

Forge Hill

Clear Creek

Fort #1

Montrose

Miscellaneous "F"

Fort Knox Junior

Teller

Miscellaneous "F"

Fortinberry Claim

Saguache

Miscellaneous "F"

Fortune - Senator Hill Mines

Boulder

Miscellaneous "F"

Fortune Dyke Gold Mining Company

Boulder

Miscellaneous "F"

Fortune Mine

Boulder

Fortune Mine

Lake

Fortune No. 2 Mine

Boulder

Miscellaneous "F"

Fossil

Montrose

Miscellaneous "F"

Foster

Mesa

Miscellaneous "F"

Foster Powder Magazine

Hinsdale

Miscellaneous F

Fountain of Youth Mine

Mesa

Miscellaneous "F"

Four - Most Mine

Summit

Four J Company

Park

Four Mile

Garfield

Fourth of July

Montrose

Miscellaneous "F"

Fourth of July Mine

Boulder

Fourth of July Mine

Clear Creek

Fourth of July Mine

Jackson

Miscellaneous "F"

Fox

Montrose

Fox

San Miguel

Fox Lake Mine

Summit

Fraction

Boulder

Fraction

Montrose

Fraction Mine

Clear Creek

Frances Mitchell Mining Company

Boulder

Miscellaneous "F"

Francis Mining

Gilpin

Francis No. 1 Mine

San Miguel

Miscellaneous "F"

Francis No. 2 Mine

San Miguel

Miscellaneous "F"

Frank Hough

Ouray

Frank Stoneman Drilling Company

Montrose

Miscellaneous "F"

Frankie

San Miguel

Franklin & Cowen

Mesa

Miscellaneous "F"

Franklin & Cowen

Montrose

Franklin & Perry

Clear Creek

Miscellaneous "F"

Franklin & Perry Drilling Company

Mesa

Miscellaneous "F"

Franklin Mine

Boulder

Franklin Mine

Clear Creek

Franklin Mine

Custer

Franklin No. 5

Boulder

Franz

Routt

Miscellaneous "F"

Frazier Group

San Miguel

Frederick Company

Chaffee

Miscellaneous "F"

Frederick Group

San Juan

Miscellaneous "F"

Fredericka Mine

San Juan

Fredonia Mine

Summit

Free American Extension #1

Clear Creek

Miscellaneous "F"

Free Coinage

Boulder

Miscellaneous "F"

Free Coinage

Dolores

Miscellaneous "F"

Free Coinage Mine

Gilpin

Miscellaneous "F"

Free Coinage Mine

Teller

Free Gold

Gilpin

Miscellaneous "F"

Free Gold Mine

Clear Creek

Free Gold Mine

Larimer

Freeland

Clear Creek

Miscellaneous "F"

Freeland Extension

Clear Creek

Freeman

Pueblo

Miscellaneous "F"

Freeport Adit

Mineral

Miscellaneous "F"

French Flag Mine

Clear Creek

Friday

Montrose

Friday Mine

Teller

Frieberg Mining

Gilpin

Friedea & Luciel Group

La Plata

Frink & Adams

Teller

Miscellaneous "F"

Frisco Group

San Juan

Frisco Mine

Summit

Fritz & Erickson

Dolores

Frontenac Vein

Clear Creek

Miscellaneous "F"

Frontenoc Mine

Gilpin

Fruit Growers Ditch & Reservoir Company

Delta

Miscellaneous "F"

Fruita No. 1 & 2

Mesa

Fryingpan Arkansas

Eagle

Fryingpan Arkansas Project

Lake

Fryingpan Arkansas Project

Pitkin

Full Moon

San Miguel

Fullmer

Ouray

Miscellaneous "F"

Fulton Mine

Gilpin

Funston Mine

Park

Future Mine

Gilpin

Futurity

Chaffee

Miscellaneous "F"