ine

County

J & J Drilling

Montrose

J & J Exploration

Montrose

J & L Drilling

Montrose

J Shaft

Park

J. A. M.

Clear Creek

J. Albine

Boulder

J. B. Putnam

Custer

J. Emil Nelson

Garfield

J. G. Buehler Mine

Lake

J. H. B. Lease

Teller

J. J.

Montrose

J. J. Kennedy Group

Clear Creek

J. M.

Montrose

J. S.

Park

Jack G. Shaft

Teller

Jack Knife # 2

San Miguel

Jack of Diamonds

Fremont

Jack Pot

Mineral

Jack Pot

San Miguel

Jack Pot

Summit

Jack Pot Mine

Ouray

Jack Pot Mine

San Juan

Jack Wech Drilling

Dolores

Jackie Walls

San Miguel

Jackrabbit Group

Chaffee

Jackson Lode

Summit

James Boy Group

Summit

Jameson, W. L.

Denver

Janice #2

Park

Japan

Ouray

Japan Flora

San Miguel

Jason Shaft

Lake

Jasper Mining & Development Company

Chaffee

Jay Bird Shaft

Teller

Jay Dee Bee

Larimer

Jay Gould Mine

Teller

JB #4

Montrose

Jean

Fremont

Jean

Mesa

Jean Mine

Clear Creek

Jeff Davis

Teller

Jeffersite Mine

Chaffee

Jence

Montrose

Jennie Blanche Mine

Gilpin

Jennie June

Lake

Jennie Parker Mine

San Juan

Jennie Sample Consolidated Mining Company

Teller

Jenny Lind

La Plata

Jenny Lind Mine

Clear Creek

Jenny Lode

Douglas

Jensen & Jensen Well

Montrose

Jerry Johnson Mine

Teller

Jerry Mine

Park

Jerry Tunnel

Summit

Jessen #1

Larimer

Jessie Mine

Summit

Jet Drilling Company

Larimer

Jewel Strip

Las Animas

Jewell Mine

Pitkin

Jewell Tunnel

Chaffee

Jewell, R. A.

Teller

Jim

Chaffee

Jim

Mesa

Jim Dandy

Park

Jim Tree

Mineral

Jitterbug

Montrose

Jitterbug Shaft

Lake

Jo Anne No. 4

Montrose

Jo Reynolds Mine

Clear Creek

Joan

Fremont

Jocomo Mg. Company

Custer

Jody

Mesa

Joe

Mesa

Joe

Montrose

Joe Bogner Drilling

San Miguel

Joe Bush Mine

Gilpin

Joe Dandy

Montrose

Joe Dandy

San Miguel

Joe Dandy Mine

Teller

Joe Jacob Lease

San Juan

Joe Wheeler

Saguache

Johannesburg Tunnel

Summit

John A. Logan Mine

Teller

John and Joe Group

San Juan

John B. Reed Mine

Lake

John Doyle Company

Dolores

John Jay Mine & Mill

Boulder

John K Tunnel

Montrose

John Miner Tunnel at Verde

Custer

John Paul Jones

Clear Creek

John Pitkin

Huerfano

John Wayne Memorial Tunnel

Pitkin

Johnies Coal

Routt

Johnny Bull Mine

Clear Creek

Johnson & Youran

Larimer

Johnson & Youvan Drill

Montrose

Johnson and Evon

Montrose

Joker

Montrose

Joker Tunnel

Ouray

Jomack

Ouray

Jonathan Mine

Ouray

Jones Group

Garfield

Jones Mining

Montrose

Jones Pass

Clear Creek

Jones Pass Tunnel

Clear Creek

Jordan Mine

Gilpin

Jorn & Harrah

Denver

Josephine Lode

Chaffee

Josephine Mine

Clear Creek

Josephine Mine

Park

Josie K. Folsom

Saguache

Josie May Turquoise Mine

Lake

Joy # 2

San Juan

Joy Manufacturing & Construction

Montezuma

Juanita

Summit

Juanita May Mine

Park

Juanita Mine

Clear Creek

Judy Ann

Montrose

Judy Lease

Mesa

Judy Mine

Jefferson

Julia Mining Company

Lake

Julian

Montrose

July Bird

Boulder

July Mining

Eagle

Jumbo

Clear Creek

Jumbo

Mesa

Jumbo Mine

Boulder

Jumbo Mine

La Plata

Jumbo Mine

Montrose

Jumbo Mine

Summit

Jumbo Mine

Summit

June Bug Group

Gunnison

June Bug Mine

Summit

June Mine

Mesa

Juniata Mine

Summit

Juniper

Fremont

Juniper Mine

Custer

Jupiter Claim

Saguache

Jupiter Mine

Teller

Just Right Claim

Montrose

Justice Mine

Gilpin

Juventa Tunnel

Summit

K - 400 test Pit

Routt

K & K Drilling

Gunnison

K & K Tunnel

Lake

K & S Mining

Montrose

K. K. K.

Clear Creek

K. P. & G. Leasing Company

San Juan

K. P. G. Uranium Company

Mesa

Kaiser Group

Boulder

Kalamazoo Mine

Teller

Kanawha Mine

Clear Creek

Kangaroo Mine

Clear Creek

Kansas City Mine

Boulder

Kansas City Mine

San Juan

Kansas City Mining & Milling Company

Clear Creek

Kansas Exploration & Leasing Company

Gilpin

Kansas Mine

Gilpin

Kansas Mine

Park

Karen #1 to #10

Larimer

Karns

Mesa

Katherine

Teller

Kathleen Shaft

Lake

Kathryn

Pueblo

Kathy K. Mine

Lake

Katie S. Mine

Clear Creek

Katinka Mine

Teller

Katinka Mining

Clear Creek

Katy

San Juan

Katydid

San Miguel

Kaverne

Clear Creek

Keast Tunnel

Clear Creek

Keener Tunnel Dump

Teller

Keenesburg Strip

Weld

Keeton Drilling Company

San Miguel

Keith

Clear Creek

Kekeonga Mine

Boulder

Kelly Exploration Mining Company

Teller

Kelly Mine

Larimer

Ken - Caryl Lease

Jefferson

Kendall Mine

San Juan

Keno

Ouray

Kentucky Belle

Mineral

Kentucky Mine

Ouray

Kentuky Belle Mine

Park

Kentuky Mine

Gilpin

Kenwood Auger

Fremont

Kerber Queen Mining Company

Saguache

Kern

Montrose

Kerr - Tolland

Gilpin

Kerr Ouray #5

Ouray

Keystone

Gunnison

Keystone

Routt

Keystone

San Miguel

Keystone Claim

Lake

Keystone Group

Ouray

Keystone Hill Road

San Miguel

Keystone Mine

Boulder

Keystone MIne

Custer

Killarney Group

Lake

Kimberly Mine

Summit

Kinda Mine

Clear Creek

King

San Miguel

King & King No. 1 & No. 2

Boulder

King Coal

La Plata

King Cyrus

Clear Creek

King Group

San Juan

King Incline

San Miguel

King Limited Mines Company

San Juan

King Mine

Delta

King Mine

Park

King Mine

San Juan

King Mine

Summit

King of the Carbonate

Custer

King Shaft Fraction

San Miguel

King Soloman

Mesa

King Solomon

Montrose

King Solomon

Teller

King Solomon Mine

Summit

King Solomon Mine

Teller

King Turquoise

Conejos

King Wilhelm Mine

Boulder

Kirk Mine & Mill

Gilpin

Kissner Drilling Company

Delta

Kissner Drilling Group

Mesa

Kite Group

Dolores

Kithil Tunnel

Park

Kittie Wells Mine

Teller

Kittimac Mine

San Juan

Kittimac Syndicate

Gilpin

Kitty Clyde Mine

Clear Creek

Kitty Ousley Mine

Clear Creek

Kleff Lease

Lake

Klein German Mine

Gilpin

Klondike

San Miguel

Klondike Mine

Saguache

Klondike Mine

San Juan

Klondike Shaft

Fremont

Klondyke Group

San Juan

Knob Hill

Fremont

Knocker & Jerry Tunnels

Park

Knocker Mine

Park

Knoll Mine

La Plata

Knot

Mesa

Knowlton, W. H.

Mesa

Kobold Mine

Clear Creek

Kohinoor Lode Claim

Boulder

Kokomo Claim

Summit

Kokomo Mining Company

Summit

Kortright, S. E.

Saguache

Kostyk Drilling Company

Mesa

Kramer Mine Incorporated

Jackson

Kramer Mines

Chaffee

Kramer, Al

San Juan

Kremmer Tnch 1-36

Gunnison

Kris Kringle

Lake

Kris Kringle

Pitkin

Kroeger Mining Company

Summit

Krug Drilling Company

Montrose

Krug Drilling Company

San Miguel

Krutzer Sonata Mine

Mineral

Kunkle Camp

Mesa

Kybato Drilling

Montrose