Mine

County

Notes

L. C. Rockwell

Gilpin

Miscellaneous "L"

L. L. B. Mining Company

Summit

Miscellaneous "L"

L. L. Mining & Tunnel Company

Ouray

Miscellaneous "L"

L. P. Incline

Montrose

Miscellaneous "K"

L. P. Lyons Holdings

Garfield

Miscellaneous L

L. R. French Drilling

Mesa

L. R. French Drilling

Montrose

Miscellaneous "F"

L. R. French Water Wells

Montrose

Miscellaneous "F"

L. S. Wood

Pitkin

Miscellaneous "W"

La Clide Mine

Clear Creek

Miscellaneous "L"

La Crosse

Gilpin

La Florecita Mine

Chaffee

Miscellaneous "L"

La Garita Mines & Mill

Saguache

Miscellaneous "L"

La Junta

San Miguel

La Junta Mining & Milling Company

Chaffee

Miscellaneous "L"

La Junta Oil Shale Pit

Ouray

La Junta Shale Pit

Otero

La Paz No. 1

Mesa

Miscellaneous "L"

La Plata

Lake

La Plata Gold Placers

La Plata

La Plata Project

La Plata

La Rue

Saguache

Miscellaneous "L"

La Sal Copper Mining Company

Montrose

Miscellaneous "L"

La Salle Shaft No. 1

Montrose

Lackawanna Mine

San Juan

Ladwig

Jefferson

Lady Bell Mine

Eagle

Lady Bug

Boulder

Lady Bug

Rio Grande

Miscellaneous "L"

Lady Eleanora Mine

La Plata

Lady Ellen Mine

San Juan

Miscellaneous "L"

Lady Franklin

Custer

Lady Franklin Mine

Boulder

Lady Luck

Boulder

Miscellaneous "L"

Lady Moon Mine

Larimer

Lagonda Mining & Milling Company

Boulder

Miscellaneous "L"

Laird Mine

Summit

Miscellaneous "L"

Lakalucre

Dolores

Miscellaneous "L"

Lake

Boulder

Miscellaneous "L"

Lake George Fluorspar

Park

Miscellaneous "L"

Lake Irwin Dam

Gunnison

Miscellaneous "L"

Lake Mine

Clear Creek

Lake Vieces

Dolores

Miscellaneous "L"

Lake View Group

San Miguel

Miscellaneous "L"

Lake Wood

Boulder

Miscellaneous "L"

Lakewood

Lake

Laland Mining & Milling Company

Teller

Miscellaneous "L"

Lalla Mine

Clear Creek

Lalla Roohk

Lake

Miscellaneous "L"

Lallah Rookh Mine

Boulder

Lamar Mine

Boulder

Miscellaneous "L"

Lamartine Mine

Clear Creek

Lamberson & Warren

Gilpin

Lambert Mine

Custer

Lame Duck Shaft

Teller

Miscellaneous "L"

Lands End

Boulder

Miscellaneous "L"

Landslide Mine

Summit

Lane and Franklin Drilling Company

Montrose

Miscellaneous "L"

Lane Franklin Drilling Company

San Miguel

Miscellaneous "L"

Langston

Larimer

Lanyon Zinc Company

Lake

Miscellaneous "L"

Laokawanna Oil Shale Products Company

Garfield

Miscellaneous L

Lark Mine

San Juan

Lark No. 1, 7, 8

Montrose

Larson

Gilpin

Larson Shaft

Teller

Las Framas Mine

Gilpin

LaSalle #1

Boulder

Miscellaneous "L"

Last Chance

Chaffee

Miscellaneous "L"

Last Chance

Clear Creek

Miscellaneous "L"

Last Chance

Fremont

Last Chance

Hinsdale

Last Chance

Montrose

Last Chance

Park

Miscellaneous "L"

Last Chance

San Miguel

Miscellaneous "L"

Last Chance

Summit

Miscellaneous "L"

Last Chance Mine

Boulder

Last Chance Mine

Custer

Miscellaneous "L"

Last Chance Mine

Lake

Last Chance Mine

Mineral

Last Chance No. 2

Fremont

Last Day Mine

Rio Blanco

Last Dollar

Gilpin

Last Dollar Mine

San Miguel

Miscellaneous "L"

Last Dollar Mine

Summit

Last Dollar Mine

Teller

Last Quarter

Custer

Latricia

San Miguel

Laura Dunsmore

Ouray

Lavada

Mesa

Miscellaneous "K"

Law Mining & Milling

Clear Creek

Miscellaneous "L"

Lawrence & Lindstedl

Montrose

Miscellaneous "L"

Layman Mine

Boulder

Miscellaneous "L"

Lazy L

Montrose

Miscellaneous "L"

Le - Ru Mining

Montezuma

Miscellaneous "L"

Le Clair Mine

Teller

Lead Belt

Clear Creek

Miscellaneous "L"

Lead Chief

Gunnison

Miscellaneous "L"

Lead King

Gunnison

Lead King Mine

Hinsdale

Miscellaneous "L"

Lead King Mine

Park

Miscellaneous "L"

Lead Mine

San Juan

Lead Mines

Hinsdale

Miscellaneous "L"

Leader No. 1 & No. 2

Jackson

Leadville & Chicago Gold Mining Company

Lake

Miscellaneous "L"

Leadville and Mt. Massive Tunnel

Lake

Miscellaneous "L"

Leadville Construction Mining

Lake

Leadville Deep Mining

Lake

Leadville Drainage Tunnel

Lake

Leadville Lead

Lake

Miscellaneous "L"

Leadville Mining & Milling Company

Lake

Miscellaneous "L"

Leadville Mining Company Limited

Lake

Miscellaneous "L"

Leadville Shale Oil & Refining Company

Mesa

Miscell. Oil Shale

Leadville Unit U. S. S. & R Company

Lake

League of Nations Tunnel

Clear Creek

Miscellaneous "L"

Leavenworth Mine

Gilpin

Miscellaneous "L"

Lebanon

Clear Creek

Miscellaneous "L"

Leddy Barite Mine

Custer

Miscellaneous "L"

Lee Ancell

Montrose

Miscellaneous "L"

Lee Ancell

San Miguel

Miscellaneous "L"

Lee C

San Miguel

Miscellaneous "L"

Lee Gross Tunnel

Park

Lee Mine

Clear Creek

Leesa Kay

Gunnison

Miscellaneous "L"

Left Hand Reservoir

Boulder

Miscellaneous "L"

Leftwick Mining & Leasing Company

Park

Miscellaneous "L"

Legal Tender

Saguache

Legal Tender Mine

Clear Creek

Legal Tender Mine

Ouray

Legion Mine

Clear Creek

Miscellaneous "L"

Leidinger Mine

Gilpin

Miscellaneous "L"

Leland Mining & Development Company

Teller

Miscellaneous "L"

Lemon Dam

La Plata

Lena

Clear Creek

Miscellaneous "L"

Leo the Lion Lode #1

Boulder

Miscellaneous "L"

Leonetta Mine

Teller

Miscellaneous "L"

Leopard Creek

San Miguel

Lepedolite #2

Gunnison

Miscellaneous "L"

Letty Jones

San Miguel

Lev Gold Mining Company

Summit

Miscellaneous "L"

Lewis

Montezuma

Lewis Group

Montrose

Miscellaneous "L"

Lewis Mining Company

San Miguel

Miscellaneous "L"

Lewis Mountain Mining & Milling Company

La Plata

Lexington Gold Mining Company

Teller

Miscellaneous "L"

Lexington Mine

Clear Creek

Miscellaneous "L"

Lexington Tunnel

Dolores

Leyden Shaft

Jefferson

Liberty Bell

Mesa

Miscellaneous "M"

Liberty Bell Mine

San Miguel

Liberty Bell Tunnel

Summit

Miscellaneous "L"

Liberty Group

Boulder

Miscellaneous "L"

Liberty Leasing & Development Company

Summit

Miscellaneous "L"

Liberty Mine

Clear Creek

Liberty Mine

Eagle

Liberty Mine

Gilpin

Liberty Mine

Saguache

Lida Leasing Company

Lake

Miscellaneous "L"

Liddia Mine

Lake

Lightner Creek Group

La Plata

Miscellaneous "L"

Lillian Mine

Gilpin

Lillian Mine

Lake

Lillie D Mine

Dolores

Lillie Mine

Hinsdale

Lilly Mine

Lake

Miscellaneous "L"

Lily Mine

Chaffee

Lily MIne

Clear Creek

Lime Tunnnel

Lake

Limonite Mine

Park

Limonite Tunnel

Clear Creek

Lincoln

Boulder

Miscellaneous "L"

Lincoln

Mesa

Lincoln Coal

Weld

Lincoln Gold Mining Company

Summit

Miscellaneous "L"

Lincoln Group

Clear Creek

Lincoln, Washington, Jefferson & Edna

Custer

Miscellaneous "L"

Linda #2

Mesa

Miscellaneous "L"

Linda No. 1 & 2

Gilpin

Lindy Point

Mesa

Miscellaneous "L"

Ling Group

Park

Ling Mine

Summit

Miscellaneous "L"

Link Lode

Gilpin

Miscellaneous "L"

Lion Gold Mining & Milling Company

San Juan

Miscellaneous "L"

Lionel Mine

Chaffee

Lippoweth & Wein

Mesa

Lisbon Tunnel

Mesa

Litchfield Mining & Milling Company

San Miguel

Miscellaneous "L"

Little Abney

Fremont

Little Albert

Clear Creek

Little Alice

Lake

Little Alice

Montrose

Little Anna Mine

Gilpin

Miscellaneous "L"

Little Anne Tunnel

Chaffee

Miscellaneous "L"

Little Annie Claim

Custer

Miscellaneous "L"

Little Annie Mine

Pitkin

Little Annie Tunnel

Chaffee

Miscellaneous "L"

Little Artist

Summit

Little Balm of Gilead

Ouray

Little Basin

Montrose

Little Bell & Extension Mines

Boulder

Miscellaneous "L"

Little Bertha Lode

Lake

Miscellaneous "L"

Little Bob

Lake

Little Bob #1

Montrose

Miscellaneous "L"

Little Bonanza Mill

Saguache

Miscellaneous "L"

Little Brother

Jefferson

Miscellaneous L

Little Buckhorn

Montrose

Little Casino

Hinsdale

Little Champion Mines

Clear Creek

Little Chicago

Lake

Miscellaneous "L"

Little Chief Mining

Lake

Little Colonel

Gilpin

Little Cub Mine

Clear Creek

Little Daisy

Summit

Miscellaneous "L"

Little Darling

Gunnison

Little Dick

Montrose

Little Dora Mine

San Juan

Little Dot

Montrose

Little Duzy

Jefferson

Miscellaneous L

Little Ella

Clear Creek

Miscellaneous "L"

Little Ellen Gold Mining & Milling Company

Teller

Miscellaneous "L"

Little Ellen Mine

Lake

Little Emma Mine

Clear Creek

Little Emma Mine

Summit

Miscellaneous "L"

Little Fannie Mine

San Juan

Little Fanny

Park

Little Faun #1

Montrose

Miscellaneous "L"

Little Florence Mine

Teller

Little Fool Mine

Summit

Little Giant

Teller

Miscellaneous "L"

Little Giant and Peerless

San Juan

Little Giant Gold Mining & Milling Company

Gilpin

Miscellaneous "L"

Little Giant Mine

Boulder

Miscellaneous "L"

Little Giant Mine

Clear Creek

Little Giant Mining Company

San Juan

Miscellaneous "L"

Little Gyp Group

Montrose

Little Hand

Clear Creek

Miscellaneous "L"

Little Harry Mine

Clear Creek

Miscellaneous "L"

Little Helen

Larimer

Little Helen

San Miguel

Miscellaneous "L"

Little Hope

Jefferson

Miscellaneous L

Little Hope

Summit

Little Ida Mine

San Juan

Little Ida Mine

Teller

Little Jack Gold Mining

Lake

Little Jeff Mine

Saguache

Miscellaneous "L"

Little Jenny

Saguache

Little Jimmy

San Miguel

Little Joan Gold Mining Company

Teller

Miscellaneous "L"

Little Joe

Clear Creek

Miscellaneous "H"

Little Joe

Huerfano

Miscellaneous "L"

Little Joe

Montrose

Miscellaneous "L"

Little Joe

Park

Miscellaneous "L"

Little Joe Mine

Clear Creek

Little John

Park

Miscellaneous "L"

Little Johnnie Group

Gunnison

Little Johnnie Mine

Boulder

Little Johnnie Mine

Saguache

Miscellaneous "L"

Little Johnny

Mesa

Little Jule Mine

Boulder

Little Lester

Boulder

Miscellaneous "L"

Little Lori

Park

Miscellaneous "L"

Little Mamie

Clear Creek

Miscellaneous "L"

Little Maude Mine

San Juan

Little Maxine No 1, 2, 3, & 4

Boulder

Miscellaneous "L"

Little May

Eagle

Miscellaneous "L"

Little May Mine

Teller

Little Melvine

Gilpin

Miscellaneous "L"

Little Miami Mining & Prospecting Company

Lake

Miscellaneous "L"

Little Mike

Ouray

Little Nell

Park

Little Nell Mine

Jackson

Miscellaneous "L"

Little Nell Mine

Lake

Little Nona Mine

La Plata

Miscellaneous "L"

Little Opher Mine

Park

Miscellaneous "L"

Little Pittsburg Mine

Boulder

Miscellaneous "L"

Little Prince

Lake

Miscellaneous "L"

Little Prince #1

Gunnison

Miscellaneous "L"

Little Princess

Boulder

Miscellaneous "L"

Little Rieche

Lake

Miscellaneous "L"

Little Ruby

Park

Little Ruck Mines Company

Teller

Miscellaneous "L"

Little Silver

Dolores

Little Star

Moffat

Little Star

Park

Little Ute Mine

Clear Creek

Livingston Mine

Boulder

Livingston Mine

Larimer

Miscellaneous "L"

Lizard Head Mining Company

San Miguel

Miscellaneous "L"

Lizzie G

San Miguel

Miscellaneous "L"

Lloyd Mining Company

Eagle

Miscellaneous "L"

Locklin

Baca

Miscellaneous "L"

Lode Mining Company

Teller

Miscellaneous "L"

Lode Star

Gilpin

Lodge Pole

Larimer

Lodge Pole No. 1

Custer

Log Cabin

Montrose

Logan Mine

Boulder

Lohansea Mine

Summit

Miscellaneous "L"

Lombard Mine

Clear Creek

London Butte

Park

London Mine

Gilpin

Miscellaneous "L"

London Mine

Park

London Mione

San Juan

Lone Jack

Park

Lone Peak # 1 & 2

San Miguel

Lone Pine

Montrose

Lone Pine Mine

Boulder

Lone Pine Mine

Larimer

Lone Pine Tunnel

Teller

Lone Star #1 & 2

San Miguel

Lone Star Mine

Gilpin

Lone Star Mine

Larimer

Miscellaneous "L"

Lone Tree

San Miguel

Miscellaneous "L"

Lone Tree Mine

Clear Creek

Long & Derry

Lake

Miscellaneous "L"

Long Drilling Project

San Juan

Miscellaneous "L"

Long Fellow Mine

Teller

Long Hunt

Fremont

Miscellaneous L

Long Park Group

Montrose

Long Ridge

San Miguel

Long Shot

Boulder

Long Shot

Montrose

Miscellaneous "L"

Long, Clyde

San Juan

Miscellaneous "L"

Longfellow Claim

Chaffee

Miscellaneous "L"

Longfellow Mine

Boulder

Longfellow Shaft

San Juan

Longyear Drilling Company

Montrose

Longyear, H. J.

Gunnison

Miscellaneous "L"

Lookout

Boulder

Miscellaneous "L"

Lookout

Larimer

Lookout

Saguache

Lookout

San Miguel

Lookout Mining Company

Boulder

Lord Byron

Boulder

Miscellaneous "L"

Lord Byron Mine

Clear Creek

Los Angeles Mine

Teller

Los Ocho

Saguache

Lost Brothers

San Miguel

Miscellaneous "L"

Lost Claim

San Miguel

Lost Dog

San Miguel

Miscellaneous "L"

Lost Dutchman

Boulder

Lost Dutchman

Mesa

Lost Gold Mine

Gilpin

Lost Lake Mine

Boulder

Lost Mine

Montrose

Miscellaneous "L"

Lost Treasurer Mine

San Juan

Miscellaneous "L"

Lottie Mine

Gilpin

Louis Lintner

Clear Creek

Miscellaneous "L"

Louis Lintner

Gilpin

Miscellaneous "L"

Louisiana Mine

Gilpin

Miscellaneous "L"

Louisville Mine

Lake

Louisville Mine

Park

Miscellaneous "L"

Lovejoy Tunnel and Lillian Tunnel

Lake

Miscellaneous "L"

Loveland Pass Highway Pilot Tunnel

Clear Creek

Loveland Pass Tunnel

Summit

Miscellaneous "L"

Lower Koehler Tunnel

San Juan

Lower Oversite

Montrose

Loyal Gold Mining & Milling Company

Lake

Miscellaneous "L"

Lucania

Clear Creek

Lucia

Gunnison

Lucianna

Clear Creek

Miscellaneous "L"

Luck Two Mines Company

Boulder

Lucky #1

Montrose

Miscellaneous "L"

Lucky 12

Custer

Miscellaneous "L"

Lucky B

San Miguel

Lucky Ben

El Paso

Miscellaneous "L"

Lucky Blunder

Montrose

Lucky Boy

Gunnison

Lucky Boy

Mesa

Lucky Boy

Montrose

Miscellaneous "L"

Lucky Boy

Park

Miscellaneous "L"

Lucky Day

Montrose

Miscellaneous "L"

Lucky Day Group

San Miguel

Miscellaneous "L"

Lucky Day Mine

Mesa

Miscellaneous "L"

Lucky Dog

Montrose

Lucky Find Mine

Clear Creek

Miscellaneous "L"

Lucky Five

Lake

Miscellaneous "L"

Lucky Four Gold Mining Company

La Plata

Miscellaneous "L"

Lucky Friday Mining Company

Clear Creek

Miscellaneous "L"

Lucky Jack Mine

Chaffee

Miscellaneous "L"

Lucky Jack Mine

San Juan

Lucky Jim

Park

Miscellaneous "L"

Lucky Jim Mine

Gilpin

Miscellaneous "L"

Lucky Lady

Boulder

Miscellaneous "L"

Lucky Mine

Summit

Lucky Moon Mine

La Plata

Lucky Pine

Dolores

Lucky Rosemary

Larimer

Miscellaneous "L"

Lucky Seven Shaft

Teller

Miscellaneous "L"

Lucky Star Group

Boulder

Lucky Strike

Eagle

Miscellaneous "L"

Lucky Strike

Park

Lucky Strike

San Miguel

Miscellaneous "L"

Lucky Strike

Summit

Lucky Strike #1

Gilpin

Miscellaneous "L"

Lucky Strike #2

Custer

Miscellaneous "L"

Lucky Strike Claims

Gunnison