Mine

County

Notes

H & H Drilling Company

Montrose

Miscellaneous "H"

H. and M. Mine

Custer

Miscellaneous "H"

H. G. Wells & Company

Eagle

Miscellaneous "H"

H. J. Longyear Company

Gunnison

Miscellaneous "L"

H. S. M. I. Mining Company

Gunnison

Miscellaneous "H"

Hackett

San Miguel

Hagar Mine

Grand

Miscellaneous "H"

Half Moon Mine

Custer

Miscellaneous "H"

Hall Mine

Gilpin

Hall Tungsten Mining & Milling Company

Gilpin

Miscellaneous "H"

Halley Comet Mining & Reduction Company

Gilpin

Miscellaneous "H"

Hallie - A - Mine

Boulder

Hamill Tunnel

Clear Creek

Hamilton Crushing Plant

Delta

Miscellaneous "H"

Hamlet

San Juan

Hammer

Montrose

Hampton Mine

Gilpin

Hancock

Ouray

Hangover

San Miguel

Hansen Project

Fremont

Miscellaneous H

Hansen Tunnel

Conejos

Miscellaneous H

Hanson

Mesa

Happy

Montrose

Happy Day

Hinsdale

Happy Jack

Montrose

Happy Jack Mine

San Miguel

Miscellaneous "H"

Happy Thought

Chaffee

Miscellaneous "H"

Happy Thought

Mineral

Happy Thought

Montrose

Happy Thought

Park

Happy Thought Mine

Boulder

Happy Thought Mine

Grand

Haputa Ranch

Custer

Miscellaneous "H"

Hardly & Able

San Miguel

Miscellaneous "H"

Hardrock

Montrose

Miscellaneous "H"

Hardrock Contractors Incorporated

La Plata

Miscellaneous "H"

Harlem Mine

Clear Creek

Harlow Mine

Boulder

Miscellaneous "H"

Harper - Larson Developing Company

Ouray

Miscellaneous "H"

Harrington Shaft

Teller

Miscellaneous "H"

Harrisburg

Park

Miscellaneous "H"

Harrison

Clear Creek

Miscellaneous "H"

Harrison Recovery Works

Lake

Miscellaneous "H"

Harrison Reduction Dump

Lake

Harrison Tunnel

Gilpin

Harrison Tunnel

Summit

Miscellaneous "H"

Harry Boy Mining Company

San Juan

Miscellaneous "H"

Harsh Extension Lode

Gilpin

Miscellaneous "H"

Hart Group

Teller

Hartman Jefferson

Saguache

Harvey Gap No. 3

Garfield

Harvey No . 1

Mesa

Harvey Real Estate, Mining & Investment Company

Lake

Miscellaneous "H"

Hastings

Las Animas

Hastings Strip

Fremont

Hat

Montrose

Miscellaneous "H"

Hattie Group

San Miguel

Hattie H. Mine

Gunnison

Miscellaneous "H"

Hattie Jane Mine

Lake

Havalk

Teller

Havana Mining & Milling Company

San Miguel

Miscellaneous "H"

Have Compensation

Park

Miscellaneous "H"

Havilah

Teller

Hawkeye

Gunnison

Miscellaneous "H"

Hawkeye Mines

Gilpin

Hawkeye Mining

Chaffee

Hawks Nest East

Gunnison

Hawks Nest No. 3

Gunnison

Hay Gulch

La Plata

Hayden Gulch Strip

Routt

Hayden Ranch

Lake

Miscellaneous "H"

Hayes - Wheeler

Gilpin

Hayseed Mine

Gilpin

Miscellaneous "H"

Haytrosser Shaft

Lake

Miscellaneous "H"

Haywood

Gilpin

Hazel - Lu

Montezuma

Hazel Lode

Lake

Miscellaneous "H"

Hazel M. Mine

La Plata

Hazel Marie

Park

Headlight Mine

Clear Creek

Headlight Mine

Gunnison

Healey Strip

Las Animas

Hearne Gold & Copper Company

Gilpin

Miscellaneous "H"

Hector

Custer

Helen

Las Animas

Helen Gould

Gilpin

Miscellaneous "H"

Helena Mine

Lake

Helenslea Mine

Clear Creek

Miscellaneous "H"

Hematite

San Juan

Miscellaneous "H"

Henderson

Mesa

Henrietta & Dixon

Eagle

Miscellaneous "H"

Henrietta Mine

Lake

Henrietta Mine

San Juan

Henry Adney

Teller

Miscellaneous "H"

Henry Clay

Montrose

Miscellaneous "S"

Henry Wood Ore Testing Company

Denver

Miscellaneous "H"

Heon, Raymond P.

Clear Creek

Herald Mine

Boulder

Hercules - Ajax Mine

Gunnison

Miscellaneous "H"

Hercules Construction Company

San Juan

Hercules Gold Mining & Milling Company

Teller

Miscellaneous "H"

Hercules Tunnel

Custer

Hereafter Mine

Boulder

Herewick Placers

Garfield

Miscellaneous H

Hermes Mine

San Juan

Miscellaneous "H"

Hermosa Gold Mining Company

Teller

Miscellaneous "H"

Herr of Billried

San Juan

Miscellaneous "H"

Hershburger

Chaffee

Miscellaneous "H"

Hesperus #4 & #5

La Plata

Hess Tunnel

Lake

Miscellaneous "H"

Hi - Tension Mine

Gilpin

Miscellaneous "H"

Hi Wan

Jefferson

Miscellaneous H

Hiawatha Mine

Teller

Hibbs, J. G. Ore Company

Boulder

Miscellaneous "H"

Hibschle Mine

Lake

Hicks Mine

Dolores

Hidden Basin

Montrose

Hidden Diamond Mine

Clear Creek

Hidden Treasure

Boulder

Hidden Treasure

Clear Creek

Hidden Treasure

Mesa

Hidden Treasure

San Juan

Hidden Treasure

San Juan

Miscellaneous "H"

Hidden Treasure

San Miguel

Miscellaneous "H"

Hidden Treasure Group

Gilpin

Miscellaneous "H"

Hidden Treasure Mine

Hinsdale

Hidden Treasure Mine

Ouray

Hide Above Lode

Larimer

Hide Away Lode

Larimer

Miscellaneous "H"

Hideaway Mine #1

Boulder

Miscellaneous "H"

High and Mighty

Gunnison

Miscellaneous "H"

High Ball

Montrose

High Ball

Montrose

Miscellaneous "H"

High Bernia

Dolores

Miscellaneous "H"

High Five Mine

Clear Creek

High Grade Group

Clear Creek

Miscellaneous "H"

High Park

Teller

Highland

Clear Creek

Miscellaneous "H"

Highland Chief Mine

Lake

Highland Chief Mine

Ouray

Miscellaneous "H"

Highland Mary

San Juan

Highland Mary

San Miguel

Highland Mary Mine

Lake

Highland Mary Mining Milling & Power Company

Boulder

Miscellaneous "H"

Highland Tunnel

Pitkin

Highlander

Clear Creek

Highline Reservoir Dam

Mesa

Miscellaneous "H"

Highline Tunnel

Boulder

Hildegarde

Boulder

Miscellaneous "H"

Hill Billy

Boulder

Miscellaneous "H"

Hill Top Group

Larimer

Miscellaneous "H"

Hill Top Mine

Park

Hill Top Mine

Teller

Hillside

Boulder

Hillside Group

Pitkin

Miscellaneous "H"

Himes Drilling Company

Mesa

Hit or Miss

Gilpin

Miscellaneous "H"

Hiwassee Mine

Hinsdale

Hobo

Montrose

Hock Hocking Mine

Park

Hoffman & Boyd

San Juan

Miscellaneous "H"

Hoffy

Ouray

Miscellaneous "H"

Hogback Group

San Miguel

Hoil Mine

Park

Holden Smelting & Mining Company

Gilpin

Miscellaneous "H"

Holland Mine

Gilpin

Miscellaneous "H"

Holy Moses Tunnel

Mineral

Home Extension Mine

Lake

Home Gold Mines Company

Teller

Miscellaneous "H"

Home Run Mine

Park

Home Run Mine

Teller

Miscellaneous "H"

Home Sweet Home

Boulder

Miscellaneous "H"

Homer Mine

Gilpin

Homestake

Garfield

Miscellaneous H

Homestake

Gilpin

Homestake & Bighorn

Boulder

Miscellaneous "H"

Homestake Gold Mining & Development Company

Clear Creek

Miscellaneous "H"

Homestake Mine

Teller

Homestake Mining Company

Gunnison

Miscellaneous H & M

Homestake Project

Chaffee

Homestake Project

Eagle

Homestake Project

El Paso

Homestake Project

Lake

Homestead Mine

Boulder

Hondo Gold Company

Teller

Honey Dew Group

La Plata

Miscellaneous "H"

Honeydew Mine

Custer

Miscellaneous "H"

Honeymoon Group

Montrose

Hoosac Tunnel

Clear Creek

Hoosier Boy Mine

Hinsdale

Hoosier Mine

Boulder

Hoosier Mine

Teller

Hoosier Pass Water Tunnel

Park

Hope

Boulder

Miscellaneous "H"

Hope

Clear Creek

Miscellaneous "H"

Hope #4

Park

Hope Group

Mesa

Hope Tunnel

Pitkin

Hopemore Mining Company

Lake

Miscellaneous "H"

Hopewell Group

Gunnison

Hopf Garten

Gilpin

Miscellaneous "H"

Horn Lode Survey 1228

Clear Creek

Miscellaneous "H"

Horn Mine

Summit

Miscellaneous "H"

Horn Silver Mine

Eagle

Miscellaneous "H"

Horse Range

San Miguel

Miscellaneous "H"

Horse Tooth Dam

Larimer

Horsehair Group

Montrose

Horseshoe Group

San Miguel

Horseshoe Mine

Boulder

Horseshoe Mine

Clear Creek

Miscellaneous "H"

Horseshoe Mine

Fremont

Horseshoe Prince Mine

Lake

Horsfal Mine

Boulder

Hortense

Saguache

Miscellaneous "H"

Hot Dog Mine

Montrose

Miscellaneous "H"

Hot Drill #11

San Miguel

Miscellaneous "H"

Hot Pot

Clear Creek

Hot Rock Group

Gunnison

Hot Shot

Montrose

Hot Shot

San Miguel

Hot Sulpher Springs Project

Grand

Miscellaneous "H"

Howard & Barron Shaft

Teller

Howard Mine

Clear Creek

Miscellaneous "H"

Hub Claim

Teller

Hub Oil Shale Company

Garfield

Miscellaneous H

Hub Oil Shale Producing & Refining Company

Garfield

Miscellaneous H

Hubbard Mine

Mesa

Miscellaneous "H"

Huburt Mine

Gilpin

Miscellaneous "H"

Huddleson

Gilpin

Hudson

Clear Creek

Miscellaneous "H"

Hudson Leasing Company

Ouray

Miscellaneous "H"

Hugh Mine

Lake

Hughes - Threewit Mining

Gilpin

Hugo

Boulder

Miscellaneous "H"

Hugo Mine

San Miguel

Miscellaneous "H"

Hull City Mine

Teller

Humble Oil

Hinsdale

Miscellaneous "H"

Humboldt Gold Mining Milling & Investment Company

Boulder

Miscellaneous "H"

Humboldt Milling & Smelting Company

Lake

Humboldt Mine

Boulder

Humboldt Mine

San Miguel

Humbolt Mine

Clear Creek

Humbolt Mine

Custer

Miscellaneous "H"

Humdinger

Mesa

Miscellaneous "H"

Hume Shaft

Lake

Miscellaneous "H"

Hummer #1

Lake

Miscellaneous "H"

Humming Bird Mining & Milling Company

Clear Creek

Miscellaneous "H"

Hunkidory Mine

Summit

Hunter Mine

Summit

Miscellaneous "H"

Hurd Lease

Fremont

Miscellaneous H

Huron Mine

Boulder

Hurricane Mine

Pitkin

Hyattsville Mining, Milling, Tunnel & Transportation Co.

Clear Creek

Miscellaneous "H"

Hyde

Ouray

Miscellaneous "H"

Hyland Mine

Clear Creek

Ibex Mine

Lake

Ice Lake

San Juan

Ida Bell Mine

Summit

Ida Bell Shaft

Teller

Ida L Group of Mines

Ouray

Ida Lee Mine

Jackson

Miscellaneous "I"

Ida May Mine

Gunnison

Miscellaneous "I"

Ida May Mine

Teller

Idacolo Mine

Fremont

Miscellaneous I

Idaho Bride Mine

Clear Creek

Idaho Mine

Boulder

Idaho Mine

La Plata

Idaho Springs

Clear Creek

Idaho Tunnel

Clear Creek

Miscellaneous "I"

Ideal Gold Mining & Milling Company

Gilpin

Miscellaneous "I"

Ideal Mine

Eagle

Miscellaneous "I"

Ideal No. 2 Mine

Boulder

Miscellaneous "I"

Idoline

Gunnison

Miscellaneous "I"

Ike

San Miguel

Illinois

San Juan

Illinois Central Mines Company

Gilpin

Miscellaneous "I"

Illinois Mine

Boulder

Illinois Mine

Gilpin

Illinois Mining Company

Boulder

Miscellaneous "I"

Imperial & Mineral Queen Mine

Clear Creek

Miscellaneous "I"

Imperial Chief Mining Company Inc.

Clear Creek

Miscellaneous "I"

Imperial Coal

Weld

Incas Mine

La Plata

Incline Group

Mesa

Independence

Chaffee

Independence

Montrose

Independence

Saguache

Independence

San Juan

Independence Group

Pitkin

Independence Mine

Boulder

Independence Mine

Gilpin

Miscellaneous "I"

Independence Tunnel

Clear Creek

Independent Group

Ouray

Independent Mine

Gilpin

Independent Mine

Gunnison

Index

Montrose

Miscellaneous "I"

Index Mine

Teller

Index Shale Oil

Garfield

Indexoline Plant

Garfield

Miscellaneous I & J

India Mine

Boulder

Indian Creek

Gunnison

Miscellaneous "I"

Indian Girl

Gilpin

Miscellaneous "I"

Indian Point Mine

Boulder

Miscellaneous "I"

Indiana Mine

Gilpin

Miscellaneous "I"

Indianola No. 1

Gilpin

Inez Tunnel

Gunnison

Miscellaneous "I"

Ingram Mine

Boulder

Ingram Mine

Clear Creek

Inspiration

San Miguel

Miscellaneous "I"

Inspiration Mine

Boulder

Miscellaneous "I"

International Shaft

Teller

Intersection Company

San Juan

Invincible

Montrose

Miscellaneous "I"

Iona Group

San Miguel

Ionex Leaching Plant

Routt

Miscellaneous "I"

Ionex No. 1

Routt

Miscellaneous "I"

Iowa and Iowa Tiger

San Juan

Iowa Mine

Boulder

Miscellaneous "I"

Iowa Mine

Gilpin

Iowa Mine

Park

Irish Molly Mine

Teller

Miscellaneous "I"

Irishwood - Ester

Chaffee

Miscellaneous "I"

Iron Age Mine

Boulder

Iron Chest Mine

Chaffee

Iron Duke

Park

Miscellaneous "I"

Iron Dyke Mine

Boulder

Miscellaneous "I"

Iron Hat Mone

Lake

Iron Hill

Park

Miscellaneous "I"

Iron Jack Mine

Eagle

Miscellaneous "I"

Iron King

La Plata

Miscellaneous "I"

Iron King Mine

Clear Creek

Iron Magnet Mine

San Juan

Miscellaneous "I"

Iron Mask Mine

Summit

Iron Mass Group

Summit

Miscellaneous "I"

Iron Mine

Boulder

Miscellaneous "I"

Iron Mine

Gilpin

Iron Mountain Alloy Company

Denver

Iron Silver Mine

Boulder

Iron Springs Group

San Miguel

Miscellaneous "I"

Ironclad Mine & Mill

Teller

Ironton Park Mine

Ouray

Miscellaneous "I"

Isabell Shaft

Fremont

Isabella Mine

Teller

Isbell Construction Company

Garfield

Island View

Montrose

Miscellaneous "I"

Isolde Mine

Hinsdale

Miscellaneous "I"

Italian Caves

San Miguel

Miscellaneous "I"

Italian Caves

Sedgewick

Miscellaneous "I"

Ivanho Mine Dump and Mill

Gilpin

Miscellaneous "I"

Izard Mine

Lake