|
Mine
|
County
|
|
B & M Mine
|
Boulder
|
|
B 7 M #1
|
Gilpin
|
|
B. & B. Mine
|
Ouray
|
|
B. F. Kissner Drilling Company
|
Montrose
|
|
Baby Fawn
|
Montrose
|
|
Baby Ruth
|
Montrose
|
|
Baby Shaft
|
Lake
|
|
Baca Mining Company
|
Saguache
|
|
Bachelor Mine
|
Mineral
|
|
Bachelor Mine
|
Ouray
|
|
Bachelor Shaft
|
San Miguel
|
|
Backbone Mine
|
Clear Creek
|
|
Bacon Strip
|
El Paso
|
|
Bad Boy Mine
|
Teller
|
|
Badger
|
Dolores
|
|
Badger
|
Montrose
|
|
Badger - U. C. N. C.
|
Montrose
|
|
Badger Mine
|
Chaffee
|
|
Badger Tunnel
|
San Miguel
|
|
Bagger
|
Montrose
|
|
Bailey & Company
|
Garfield
|
|
Baines Mining Company
|
Gilpin
|
|
Baker Group
|
San Miguel
|
|
Baker Group
|
Summit
|
|
Baker Lease
|
Lake
|
|
Balbach Leasing Company
|
Gilpin
|
|
Bald Eagle Mine
|
Clear Creek
|
|
Bald Eagle Mine
|
San Miguel
|
|
Bald Mountain Gold Mng. Company
|
Gilpin
|
|
Bald Mountain Mining & Tunnel Company
|
Lake
|
|
Baldwin
|
Gunnison
|
|
Bales & Carlisle Holdings
|
Garfield
|
|
Ballard Mine
|
Lake
|
|
Ballard Mine
|
San Miguel
|
|
Ballard Mine
|
Summit
|
|
Baltic
|
Clear Creek
|
|
Baltimore Mine
|
Boulder
|
|
Baltimore Mine
|
Gilpin
|
|
Baltimore Mine
|
Saguache
|
|
Baltimore Tunnel
|
Clear Creek
|
|
Bandora Mine
|
San Juan
|
|
Banker Mine
|
Chaffee
|
|
Banker Mining & Tunnel Company
|
Chaffee
|
|
Banta Hill Group
|
Gilpin
|
|
Banty Ranch Mine & Mill
|
Gilpin
|
|
Barbara Ann
|
Jackson
|
|
Barcoe Tunnel
|
Park
|
|
Bard Creek Mine
|
Clear Creek
|
|
Barker
|
Boulder
|
|
Barkley Lease
|
San Miguel
|
|
Barlow
|
Dolores
|
|
Barnes Group
|
Gilpin
|
|
Baron Group
|
Boulder
|
|
Barr - Menefee
|
Montezuma
|
|
Barrel Springs
|
Custer
|
|
Barstow Mine
|
Ouray
|
|
Bartlett
|
Larimer
|
|
Basic Exploration Company
|
Eagle
|
|
Bassick Extension
|
Custer
|
|
Bassick Mine
|
Custer
|
|
Bates
|
Gilpin
|
|
Battlement Mesa Oil Shale Company
|
Mesa
|
|
Battlerock Group
|
Montezuma
|
|
Baxter
|
Gilpin
|
|
Baxter Mine
|
Boulder
|
|
Bay City Group
|
La Plata
|
|
Be True
|
Chaffee
|
|
Beacon Mine
|
Gilpin
|
|
Bean Creek Group
|
San Miguel
|
|
Bean Patch Group
|
San Miguel
|
|
Bear Cat
|
Larimer
|
|
Bear Creek
|
Pitkin
|
|
Bear Creek
|
San Miguel
|
|
Bear Creek - Dillion #2
|
Summit
|
|
Bear Creek Mine
|
Clear Creek
|
|
Bear Creek Mining Company
|
Gunnison
|
|
Bear Creek Mining Company
|
Saguache
|
|
Bear Hunt
|
Park
|
|
Bear Mine
|
Gunnison
|
|
Beaver
|
Clear Creek
|
|
Beaver
|
Gunnison
|
|
Beaver
|
Montrose
|
|
Beaver Belfast
|
Ouray
|
|
Beaver Brook Mica Lode
|
Clear Creek
|
|
Beaver Claim
|
Grand
|
|
Beaver Mesa Uranium
|
Mesa
|
|
Beaver Mine
|
Boulder
|
|
Beaver Mine
|
Clear Creek
|
|
Beaver Reservoir
|
Delta
|
|
Beaver Tail Tunnel
|
Mesa
|
|
Bebee Shaft
|
Teller
|
|
Becker Bates Mine
|
Gilpin
|
|
Becky Sharp
|
Gilpin
|
|
Beer Strip No. 2
|
Fremont
|
|
Belcher & Hughes Mining & Milling Company
|
Gilpin
|
|
Belcher Mine
|
Boulder
|
|
Belgian Hard Mine
|
Clear Creek
|
|
Bell Boy Gold Mining & Milling Company
|
Gilpin
|
|
Bell Claims
|
San Miguel
|
|
Bell Mine
|
Boulder
|
|
Bell Mine
|
Summit
|
|
Bell Oil Shale Claims
|
Garfield
|
|
Bell View #2
|
Gunnison
|
|
Bella Hughes Mining & Milling Company
|
Gilpin
|
|
Belle Button Manufacturing Company
|
San Juan
|
|
Belle of Memphis Mine
|
Boulder
|
|
Belle of the East
|
Hinsdale
|
|
Belle of the West
|
Hinsdale
|
|
Belle Placer Mine
|
Lake
|
|
Belleville Mine
|
Boulder
|
|
Bellevuew - Champion
|
Clear Creek
|
|
Bellevuew - Hudson
|
Clear Creek
|
|
Bellmont Mine
|
Boulder
|
|
Bellvue Mine
|
Boulder
|
|
Belman
|
Clear Creek
|
|
Belmont Mine
|
Gilpin
|
|
Belmont No. 1 & 2
|
Mesa
|
|
Belva
|
Montrose
|
|
Belvidere Shale Company
|
Garfield
|
|
Belzora Bassick Mine
|
Gunnison
|
|
Bemmco
|
Chaffee
|
|
Bemmco Mining
|
Chaffee
|
|
Ben #2
|
Dolores
|
|
Ben Bolt & Paymaster
|
Chaffee
|
|
Ben Butler
|
Eagle
|
|
Ben Butler Mine Dump
|
San Juan
|
|
Ben C. Rowell Mine
|
Boulder
|
|
Ben Eaton
|
Custer
|
|
Ben Franklin
|
San Juan
|
|
Ben Group
|
Dolores
|
|
Ben Harrison Mine
|
Clear Creek
|
|
Bench Claim
|
Montrose
|
|
Bender
|
Chaffee
|
|
Bender Mine
|
Clear Creek
|
|
Bennet Group
|
Saguache
|
|
Bennet Mining Company
|
Saguache
|
|
Benock Mine
|
Ouray
|
|
Benton Mine & Mill
|
Clear Creek
|
|
Bentonite Processing Plant
|
Custer
|
|
Ber #14
|
Park
|
|
Berghof Lode Claim
|
Larimer
|
|
Berliew Mine
|
San Juan
|
|
Bernard
|
Montrose
|
|
Bernheisel Shaft
|
Boulder
|
|
Bernice
|
Boulder
|
|
Bertha
|
Gunnison
|
|
Bertha - Ra
|
Gilpin
|
|
Bertha B Mine
|
Teller
|
|
Bertha Mine
|
Clear Creek
|
|
Bertie Mining Company
|
Teller
|
|
Bertolletti Vanadium Development
|
Garfield
|
|
Berwind Canon
|
Las Animas
|
|
Beryl Mine
|
Saguache
|
|
Bessie G Mine
|
La Plata
|
|
Bessie No. 1
|
San Miguel
|
|
Bethel Tunnel
|
Mineral
|
|
Bettie A
|
Chaffee
|
|
Betty Fraction Lode
|
Lake
|
|
Betty Jean
|
Montrose
|
|
Betty Shaft
|
Park
|
|
Betzer Diamond Drill Company
|
Mesa
|
|
Bezant Mine
|
Gilpin
|
|
Bi - Metallist
|
Ouray
|
|
Big 4 Group
|
Gunnison
|
|
Big 4 Mine
|
Lake
|
|
Big 6 Mine
|
Lake
|
|
Big Andy
|
Ouray
|
|
Big Blue Group
|
Hinsdale
|
|
Big Bonnie
|
Custer
|
|
Big Boulder
|
Larimer
|
|
Big Buck
|
Pitkin
|
|
Big Bull
|
Montrose
|
|
Big Bull
|
San Juan
|
|
Big Casino Mine
|
Hinsdale
|
|
Big Chance Mine
|
Clear Creek
|
|
Big Chief
|
Montrose
|
|
Big Chief Tunnel
|
Chaffee
|
|
Big Chief Tunnel
|
Clear Creek
|
|
Big Dick
|
Montrose
|
|
Big Diggins
|
Larimer
|
|
Big Dike Lode
|
Grand
|
|
Big Five
|
Clear Creek
|
|
Big Five Tunnel
|
Boulder
|
|
Big Fly Mine
|
Custer
|
|
Big Forty Mine
|
Clear Creek
|
|
Big Four
|
Park
|
|
Big Four Gold & Copper Company
|
Lake
|
|
Big Four Mine
|
San Juan
|
|
Big Four Mine
|
Summit
|
|
Big Giant Mine
|
San Juan
|
|
Big Gyp Mine
|
San Miguel
|
|
Big Horn
|
Boulder
|
|
Big Horn
|
Custer
|
|
Big Horn #2
|
Clear Creek
|
|
Big Indian Mine
|
Clear Creek
|
|
Big Joe
|
La Plata
|
|
Big Mack Mine
|
San Miguel
|
|
Big Mitt
|
Montrose
|
|
Big Pine
|
Fremont
|
|
Big Red
|
Gunnison
|
|
Big Reserve Mining & Milling Company
|
San Miguel
|
|
Big Reserve Mining & Milling Company
|
Summit
|
|
Big Seven
|
Mesa
|
|
Big Six Lease
|
Boulder
|
|
Big Six Mine
|
Gilpin
|
|
Big Stake Claim
|
Custer
|
|
Big Three Company
|
Dolores
|
|
Big Three Mine
|
Clear Creek
|
|
Big Three Mine
|
San Juan
|
|
Big Toad Milling & Mining Company
|
Park
|
|
Big Tom
|
San Juan
|
|
Big Twenty Mine
|
Teller
|
|
Big Ute Load
|
Montezuma
|
|
Bill Bady
|
Montrose
|
|
Bill Kissner Drilling Company
|
Montrose
|
|
Bill Nye Mine
|
Teller
|
|
Bimetallic
|
Ouray
|
|
Bi-Metallic
|
Lake
|
|
Bionaz
|
Pitkin
|
|
Bird Creek Mining Company
|
Mineral
|
|
Birdella Tunnel & President Mine
|
Lake
|
|
Bismark
|
Montrose
|
|
Bismark MIne
|
Boulder
|
|
Bismark Mine
|
Clear Creek
|
|
Bismuth & Black Friday
|
Custer
|
|
Bisulco
|
Las Animas
|
|
Bitter Creek Group
|
Montrose
|
|
Black & Gray Point
|
Montrose
|
|
Black Bear Mine
|
Clear Creek
|
|
Black Bear Mine
|
San Miguel
|
|
Black Beauty
|
Boulder
|
|
Black Beauty
|
Gunnison
|
|
Black Bell Mine
|
Teller
|
|
Black Bird
|
San Miguel
|
|
Black Bird Mine
|
Boulder
|
|
Black Butterfly
|
Park
|
|
Black Cloud
|
Boulder
|
|
Black Cloud
|
Lake
|
|
Black Cloud
|
San Juan
|
|
Black Crook Mine
|
Hinsdale
|
|
Black Diamond
|
Boulder
|
|
Black Diamond
|
La Plata
|
|
Black Diamond
|
Mesa
|
|
Black Diamond
|
Montrose
|
|
Black Diamond No. 1
|
Rio Blanco
|
|
Black Dinah
|
Montrose
|
|
Black Dragon
|
Fremont
|
|
Black Eagle Mine
|
Gunnison
|
|
Black Eagle Mine & Mill
|
Clear Creek
|
|
Black Foot Group
|
Montrose
|
|
Black Fox #2
|
San Miguel
|
|
Black Girl Mine
|
Ouray
|
|
Black Hawk
|
Huerfano
|
|
Black Hawk
|
Larimer
|
|
Black Hawk Mine
|
Ouray
|
|
Black Hope No. 1
|
Boulder
|
|
Black Jack
|
Montrose
|
|
Black Jack
|
Mesa
|
|
Black Jack Mine
|
Boulder
|
|
Black Jack Mine
|
Gilpin
|
|
Black Jack Mine
|
San Miguel
|
|
Black Jumbo
|
Mesa
|
|
Black King
|
San Miguel
|
|
Black Knight
|
Jefferson
|
|
Black Mammy
|
Mesa
|
|
Black Metals Mining
|
Gilpin
|
|
Black Prince
|
Park
|
|
Black Prince Mine
|
Boulder
|
|
Black Prince Mine
|
Clear Creek
|
|
Black Prince Mine
|
San Juan
|
|
Black Prince Shale Company
|
Garfield
|
|
Black Queen Gold Mining Company
|
Teller
|
|
Black Queen Mine
|
Gunnison
|
|
Black Queen Shale
|
Garfield
|
|
Black Rock
|
Mesa
|
|
Black Spider
|
San Miguel
|
|
Black Streak
|
Mesa
|
|
Black Wonder Mine
|
Hinsdale
|
|
Blackburn
|
Montrose
|
|
Blackhawk
|
San Juan
|
|
Blackhawk Lode
|
Gilpin
|
|
Black-Knight No. 4
|
Fremont
|
|
Blackmer Mine
|
Jefferson
|
|
Blain
|
Ouray
|
|
Blaine Mine
|
Lake
|
|
Blaine Mine
|
Park
|
|
Blake Mining Company
|
Montrose
|
|
Blanca Peak Mining Company
|
Denver
|
|
Blanche Shaft
|
Lake
|
|
Blazer
|
Routt
|
|
Blazing Star Tunnel
|
Clear Creek
|
|
Bld Mountain
|
Clear Creek
|
|
Blind Mine
|
Clear Creek
|
|
Bliss
|
Montrose
|
|
Blistered Horn Tunnel
|
Gunnison
|
|
Blitz
|
Montrose
|
|
Blizzard Mine
|
Clear Creek
|
|
Blondie
|
Montrose
|
|
Blooming Thistle
|
Clear Creek
|
|
Blue Bell
|
Dolores
|
|
Blue Bell
|
Montrose
|
|
Blue Bell Mine
|
Clear Creek
|
|
Blue Bell Mine
|
Teller
|
|
Blue Bird
|
El Paso
|
|
Blue Bird
|
Gunnison
|
|
Blue Bird
|
Montezuma
|
|
Blue Bird
|
Park
|
|
Blue Bird Mine
|
Boulder
|
|
Blue Bird Mine
|
Clear Creek
|
|
Blue Bird Mine
|
Teller
|
|
Blue Clay
|
Jefferson
|
|
Blue Clay
|
San Miguel
|
|
Blue Coat
|
Boulder
|
|
Blue Diamond Mine
|
Gilpin
|
|
Blue Eagle
|
Montezuma
|
|
Blue Eagle
|
La Plata
|
|
Blue Flag Mine
|
Summit
|
|
Blue Flag Mine
|
Teller
|
|
Blue Flame
|
La Plata
|
|
Blue Flame
|
Mesa
|
|
Blue Hill Mine
|
Boulder
|
|
Blue Jay
|
Park
|
|
Blue Jay
|
Garfield
|
|
Blue Jay Mine
|
Boulder
|
|
Blue Jay Mine
|
Routt
|
|
Blue Lakes Dam
|
Summit
|
|
Blue Light
|
San Juan
|
|
Blue Mesa Incline #1
|
Mesa
|
|
Blue Moon
|
San Miguel
|
|
Blue Mountain Mining
|
Mineral
|
|
Blue Mountain Mining Company
|
Mofat
|
|
Blue Ribbon Mine
|
Boulder
|
|
Blue Ribbon Mine
|
Delta
|
|
Blue Ribbon No. 1, 2, 3, 4, 17, & 32
|
Mesa
|
|
Blue Ridge Mines
|
Clear Creek
|
|
Blue Sapphire Mine
|
San Miguel
|
|
Blue Sapphire Mine
|
Summit
|
|
Blue Spar Mine
|
Fremont
|
|
Blue Star
|
Summit
|
|
Blue Stone Lode
|
Boulder
|
|
Blue Wrinkle #1
|
Gunnison
|
|
Bluebird Group
|
San Miguel
|
|
Bluestone Claim
|
Chaffee
|
|
Blumm
|
Jefferson
|
|
Blunn Dam
|
Jefferson
|
|
Bob
|
San Miguel
|
|
Bob & Lee
|
Jefferson
|
|
Bob Lee Lode
|
Saguache
|
|
Bob No. 24
|
Mesa
|
|
Bobcat
|
Montrose
|
|
Bobcat
|
San Miguel
|
|
Bobtail
|
Montrose
|
|
Bobtail Mine
|
Grand
|
|
Bodie Tunnel
|
Eagle
|
|
Boer Mine
|
Lake
|
|
Bogart Blue Flag Mining
|
Teller
|
|
Bogus
|
Montrose
|
|
Bohn Shaft
|
Lake
|
|
Bokum Corporation
|
San Miguel
|
|
Bokum Corporation
|
San Miguel
|
|
Bolivar Mine
|
Summit
|
|
Bon Homme
|
Hinsdale
|
|
Bon Ton
|
Gilpin
|
|
Bon Ton Mine
|
Gunnison
|
|
Bon Ton Mining
|
Chaffee
|
|
Bonanza
|
Mesa
|
|
Bonanza #1
|
Park
|
|
Bonanza Claim
|
San Miguel
|
|
Bonanza Claim
|
Summit
|
|
Bonanza Contact Mine
|
Teller
|
|
Bonanza Developmeny Company
|
Lake
|
|
Bonanza Mine
|
Boulder
|
|
Bonanza Mine
|
Gilpin
|
|
Bonanza Mine
|
Jackson
|
|
Bonanza Tunnel
|
Gilpin
|
|
Bonita #1 Mine
|
Mesa
|
|
Bonita Mine
|
San Juan
|
|
Bonnell Mine
|
Gilpin
|
|
Bonnez and Cascade East #1
|
Saguache
|
|
Bonnie
|
Ouray
|
|
Bonnie Bell Mine
|
Grand
|
|
Bonny Dam - CCC Project
|
Weld
|
|
Bonny Mine
|
Gilpin
|
|
Bonnybel Mine
|
Pitkin
|
|
Booco Group
|
Lake
|
|
Boodle
|
Gilpin
|
|
Boomer Mine
|
Park
|
|
Boot Jack
|
Fremont
|
|
Bopp Tunnel
|
Chaffee
|
|
Boreas Group
|
Boulder
|
|
Boreas King
|
Summit
|
|
Boren Gulch Mining Company
|
La Plata
|
|
Boss Mine
|
Gilpin
|
|
Boss Mine & Mill
|
Summit
|
|
Boss Tunnel
|
Park
|
|
Boss Tunnel
|
Park
|
|
Boston De Witt
|
San Juan
|
|
Boston Mine
|
Boulder
|
|
Boston Mine
|
Clear Creek
|
|
Boston Mine
|
Summit
|
|
Bottle Rock Load
|
Montezuma
|
|
Boulder Canon Tungsten Company
|
Boulder
|
|
Boulder Consolidated Mining & Milling Company
|
Boulder
|
|
Boulder County Tunnel
|
Boulder
|
|
Boulder Mining & Milling Company
|
Boulder
|
|
Boulder Supply Canal
|
Boulder
|
|
Boulder Tungsten Production Company
|
Boulder
|
|
Boulder Valley
|
Teller
|
|
Bourg Strip
|
Jackson
|
|
Bowen No. 1
|
Montrose
|
|
Bowery Tunnel
|
San Miguel
|
|
Bowery Tunnel
|
Summit
|
|
Bowman Tunnel
|
Gunnison
|
|
Boyer's Switch
|
Park
|
|
Boyle Brothers Drilling Company
|
Rio Grande
|
|
Boyles Brothers
|
Lake
|
|
Boyles Brothers Drilling
|
Dolores
|
|
Boyles Brothers Drilling
|
Gunnison
|
|
Boyles Brothers Drilling
|
San Juan
|
|
Boyles Brothers Drilling Company
|
Jefferson
|
|
Boyles Brothers Drilling Company
|
Montrose
|
|
Boyles Brothers Drilling Company
|
Ouray
|
|
Boyles Brothers Drilling Company
|
San Miguel
|
|
Boyles Brothers Drilling Company
|
San Miguel
|
|
Boyles Brothers Drilling Company
|
Summit
|
|
Bradley
|
San Miguel
|
|
Bradshaw
|
Boulder
|
|
Branch Lode
|
Gilpin
|
|
Brandt Property
|
Fremont
|
|
Brandt Ranch
|
Clear Creek
|
|
Braodgange Mine
|
San Juan
|
|
Braun
|
Clear Creek
|
|
Brawner Tunnel
|
La Plata
|
|
Brazil Mine
|
Clear Creek
|
|
Breadwinner Mine
|
Clear Creek
|
|
Breece Tunnel
|
Lake
|
|
Breen Mine
|
San Miguel
|
|
Breen Mine
|
Summit
|
|
Breezy
|
San Miguel
|
|
Brian Boru
|
Lake
|
|
Bridal Chamber
|
Park
|
|
Bride Mine
|
Clear Creek
|
|
Bridgewater Mine
|
Gilpin
|
|
Brighton Mine
|
Clear Creek
|
|
Brighton Mine
|
Saguache
|
|
Brinkmeier Tunnel
|
Gunnison
|
|
Brittle Silver Mines
|
Gunnison
|
|
Broadmoor Hotel Pipeline from Penrose - Rosemont Dam
|
Teller
|
|
Broadway Group
|
Boulder
|
|
Brock Hollow Mine
|
Gilpin
|
|
Brock Mines Company
|
Boulder
|
|
Broken Handle
|
Clear Creek
|
|
Brolchgock Mine
|
Lake
|
|
Bromide Mine
|
Moffat
|
|
Brook #1
|
Montrose
|
|
Brookfield
|
Gilpin
|
|
Brooklyn and Mastedon Groups
|
La Plata
|
|
Brooklyn Mine
|
San Juan
|
|
Brooks
|
Montrose
|
|
Brooks Snyder
|
Summit
|
|
Brooks Snyder Mine
|
San Miguel
|
|
Broomstick Tunnel
|
Montrose
|
|
Brown & Brown Spar
|
Boulder
|
|
Brown Derby Mine
|
Gunnison
|
|
Brown Mountain
|
Ouray
|
|
Brown No. 9
|
Rio Blanco
|
|
Brown Reindeer
|
Clear Creek
|
|
Brownlow Mining Company
|
Park
|
|
Brownlow Tunnel
|
Park
|
|
Brownville Group
|
Montezuma
|
|
Brunswick Mining & Milling Company
|
Gunnison
|
|
Brush Creek Oil Shale Company
|
Mesa
|
|
Bryant Mine
|
Gilpin
|
|
Buck Horn Mine
|
Saguache
|
|
Buck Shaft
|
Teller
|
|
Buckeye
|
Montezuma
|
|
Buckeye - Holt
|
Custer
|
|
Buckeye Claim
|
Gunnison
|
|
Buckeye Mine
|
Boulder
|
|
Buckhorn
|
Dolores
|
|
Buckhorn
|
Larimer
|
|
Buckhorn Gold Mining Company
|
Larimer
|
|
Buckhorn Mine
|
Boulder
|
|
Buckhorn Mine
|
Gilpin
|
|
Buckhorn No. 1, 3, 4
|
Montrose
|
|
Buckman
|
Jefferson
|
|
Buckshot
|
Montrose
|
|
Buckskin
|
Montrose
|
|
Buckskin Joe Mine
|
Park
|
|
Buckskin Joe No. 1
|
Boulder
|
|
Bud
|
Mesa
|
|
Buell Mine
|
Gilpin
|
|
Buena Vista
|
Boulder
|
|
Buena Vista
|
Mesa
|
|
Buena Vista Tunnel
|
Teller
|
|
Bueno
|
Boulder
|
|
Buffalo
|
Routt
|
|
Buffalo
|
La Plata
|
|
Buffalo #1
|
Boulder
|
|
Buffalo Boy Mine
|
San Juan
|
|
Buffalo Chip Mine
|
Gilpin
|
|
Buffalo Claims
|
Jefferson
|
|
Buffalo Head
|
Moffat
|
|
Buffalo Hunter Mine
|
Custer
|
|
Buffalo Sulpher Refining Company
|
Mineral
|
|
Buick
|
Mesa
|
|
Bujan
|
Mesa
|
|
Bull Canyon
|
Montrose
|
|
Bull Dog Leasing
|
Mineral
|
|
Bull Domingo
|
Custer
|
|
Bull Durham
|
Montrose
|
|
Bull Durham Mine
|
Ouray
|
|
Bull Hill
|
Teller
|
|
Bull Moose
|
San Miguel
|
|
Bull Snake Group
|
San Miguel
|
|
Bullion King Mine
|
San Juan
|
|
Bullion Mine
|
Clear Creek
|
|
Bullion Mine
|
Gilpin
|
|
Bullion Mine
|
Summit
|
|
Bumsted Holdings
|
Garfield
|
|
Bunker Hill Consolidated
|
San Miguel
|
|
Bunker Hill Consolidated
|
Summit
|
|
Burbank Pit
|
Montrose
|
|
Burbank Tunnel
|
San Juan
|
|
Burbridge Lease on Freport Claim
|
Teller
|
|
Burke Group
|
San Miguel
|
|
Burke Tunnel
|
Summit
|
|
Burleigh Mine
|
Clear Creek
|
|
Burleston Mine
|
Gunnison
|
|
Burlington Boulder Mining & Milling Company
|
Boulder
|
|
Burlington Mine
|
Boulder
|
|
Burlington Mine
|
Saguache
|
|
Burneit Lease
|
Lake
|
|
Burnett & Co.
|
San Miguel
|
|
Burns Group
|
Dolores
|
|
Burns Lease
|
Lake
|
|
Burns Moore Tunnel
|
Clear Creek
|
|
Burns Shaft
|
Pitkin
|
|
Burnwell #1 and #2
|
La Plata
|
|
Burrell #1 and #3
|
Rio Blanco
|
|
Burrell No. 1, 2, 3
|
Rio Blanco
|
|
Burro #1, 2, 3, 5, 7
|
San Miguel
|
|
Burro Group
|
San Miguel
|
|
Burrow Point Mine
|
San Miguel
|
|
Burrows Mine
|
San Juan
|
|
Burrs Point
|
Montrose
|
|
Burt Mine
|
Gunnison
|
|
Burton
|
Summit
|
|
Burton Lode
|
San Miguel
|
|
Bush Canyon Mine
|
San Miguel
|
|
Bush Drilling
|
Mesa
|
|
Bush Drilling
|
San Miguel
|
|
Bushelt Mining Company - Delaware Group
|
Boulder
|
|
Buster Mine
|
Clear Creek
|
|
Buster Shaft
|
Saguache
|
|
Butch
|
Boulder
|
|
Butler Lease
|
Moffat
|
|
Butler Mine
|
Clear Creek
|
|
Butte Mine
|
Park
|
|
Butte Tunnel
|
Park
|
|
Butterfly
|
Montrose
|
|
Butterfly - Terrible
|
San Miguel
|
|
Butterfly Group
|
Rio Blanco
|
|
Button Mine
|
Gilpin
|
|
Button Rock Dam
|
Boulder
|
|
Buxton Mine
|
Clear Creek
|
