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Map of Larimer and Boulder counties
Map of Larimer and Boul...
[Place of publication n...
 
Title
Map of Larimer and Boulder counties
County
[Boulder, Larimer]
Identifier
43318900.tif
Map of Boulder County claims
Map of Boulder County c...
Drumm, Henry A., 1857-1...
1916
Boulder (Colo.)
 
Title
Map of Boulder County claims
Date Issued
1916
County
Boulder
Identifier
43348500.tif
Map of The Boulder Mines Inc. workings
Map of The Boulder Mine...
Belser, Carl
1936
[Place of publication n...
 
Title
Map of The Boulder Mines Inc. workings
Date Issued
1936
County
Boulder
Identifier
43349300.tiff
Map of the Gladys Mine and adjoining claims in Sugar-Loaf Mining District
Map of the Gladys Mine ...
Drumm, Henry A., 1857-1...
1935
Boulder (Colo.)
 
Title
Map of the Gladys Mine and adjoining claims in Sugar-Loaf Mining District
Date Issued
1935
County
Boulder
Identifier
43351500.tif
Mineral survey No. 20605
Mineral survey No. 2060...
Byron, J. E.
[1939]
[Place of publication n...
 
Title
Mineral survey No. 20605
Date Issued
[1939]
County
Boulder
Identifier
43353000.tif
Plat of Cripple Creek District Railroad
Plat of Cripple Creek D...
Undated
[Place of publication n...
 
Title
Plat of Cripple Creek District Railroad
Date Issued
Undated
County
Boulder
Identifier
43353100.tif
Map of tunnel plans for Boulder County mines
Map of tunnel plans for...
Undated
[Place of publication n...
 
Title
Map of tunnel plans for Boulder County mines
Date Issued
Undated
County
Boulder
Identifier
43353200.tif
Township No. 1 south, range No. 71 west of the 6th principal meridian, Colorado
Township No. 1 south, r...
1930
[Place of publication n...
 
Title
Township No. 1 south, range No. 71 west of the 6th principal meridian, Colorado
Date Issued
1930
County
Boulder
Identifier
43355100.tif
Longitudinal section of the Golden Age Mine
Longitudinal section of...
Allen, F. C.
1930
Boulder (Colo.)
 
Title
Longitudinal section of the Golden Age Mine
Date Issued
1930
County
Boulder
Identifier
43355400.tif
Longitudinal section, Cold Spring Mine
Longitudinal section, C...
1929
[Place of publication n...
 
Title
Longitudinal section, Cold Spring Mine
Date Issued
1929
County
Boulder
Identifier
43356000.tif
Map of Colorado King and other claims in Boulder County
Map of Colorado King an...
Undated
[Place of publication n...
 
Title
Map of Colorado King and other claims in Boulder County
Date Issued
Undated
County
Boulder
Identifier
43356400.tif
Bureau of mines trenches and drill holes near Rambler Shaft
Bureau of mines trenche...
Wahlstrom, Ernest E.
Undated
Boulder (Colo.)
 
Title
Bureau of mines trenches and drill holes near Rambler Shaft
Date Issued
Undated
County
Boulder
Identifier
43356501.tif
Rambler Mine
Rambler Mine
Wahlstrom, Ernest E.
Undated
Boulder (Colo.)
 
Title
Rambler Mine
Date Issued
Undated
County
Boulder
Identifier
43356502.tif
Map of Boulder County claims
Map of Boulder County c...
[Tim]
1927-03-27/1930-02-19
[Place of publication n...
 
Title
Map of Boulder County claims
Date Issued
1927-03-27/1930-02-19
County
Boulder
Identifier
43357500.tif
Map showing Chingis Kahn group of mining claims
Map showing Chingis Kah...
Drumm, Henry A., 1857-1...
1907
Boulder (Colo.)
 
Title
Map showing Chingis Kahn group of mining claims
Date Issued
1907
County
Boulder
Identifier
43367000.tif
Map of patented mining claims, Ward Mining District
Map of patented mining ...
Undated
[Place of publication n...
 
Title
Map of patented mining claims, Ward Mining District
Date Issued
Undated
County
Boulder
Identifier
43375400.tif
Map showing Fitchburg-Gray copper workings
Map showing Fitchburg-G...
1936
[Place of publication n...
 
Title
Map showing Fitchburg-Gray copper workings
Date Issued
1936
County
Boulder
Identifier
43375501.tif
Map showing Fitchburg-Gray copper workings
Map showing Fitchburg-G...
1936
[Place of publication n...
 
Title
Map showing Fitchburg-Gray copper workings
Date Issued
1936
County
Boulder
Identifier
43375502.tif
Map of Boulder County claims in Colorado
Map of Boulder County c...
[Place of publication n...
 
Title
Map of Boulder County claims in Colorado
County
Boulder
Identifier
43375600.tif
Map of topographical features over mine claims in Boulder County
Map of topographical fe...
Undated
[Place of publication n...
 
Title
Map of topographical features over mine claims in Boulder County
Date Issued
Undated
County
Boulder
Identifier
43375700.tif
Kicker Shaft
Kicker Shaft
Armstrong, F. C.
[Place of publication n...
 
Title
Kicker Shaft
County
Boulder
Identifier
43375900.tif
Map of Last Chance Mine
Map of Last Chance Mine
[Armstrong, F. C., Byro...
[1937, 1937-10-09]
[Boulder County (Colo.)...
 
Title
Map of Last Chance Mine
Date Issued
[1937, 1937-10-09]
County
Boulder
Identifier
43376000.tif
Grand Island Mining District
Grand Island Mining Dis...
Armstrong, F. C.
Boulder County (Colo.)
 
Title
Grand Island Mining District
County
Boulder
Identifier
43376100.tif
Gale Shaft
Gale Shaft
Armstrong, F. C.
[Boulder County (Colo.)...
 
Title
Gale Shaft
County
Boulder
Identifier
43376200.tif
Grand Island Mining District
Grand Island Mining Dis...
Armstrong, F. C.
[Boulder County (Colo.)...
 
Title
Grand Island Mining District
County
Boulder
Identifier
43376300.tif
Map of Laura, Hidden Treasure, Eliza, Lily and Pinto claims in Boulder County, Colorado
Map of Laura, Hidden Tr...
Armstrong, F. C.
[Place of publication n...
 
Title
Map of Laura, Hidden Treasure, Eliza, Lily and Pinto claims in Boulder County, Colorado
County
Boulder
Identifier
43376400.tif
Prospect Tunnel Under Hurricane Hill
Prospect Tunnel Under H...
Wahlstrom, Ernest E. (E...
[1944]
McKeesport (Pa.)
 
Title
Prospect Tunnel Under Hurricane Hill
Date Issued
[1944]
County
Boulder
Identifier
43377100.tif
Cold Spring and Orange Blossom
Cold Spring and Orange ...
Wahlstrom, Ernest E. (E...
[Place of publication n...
 
Title
Cold Spring and Orange Blossom
County
Boulder
Identifier
43377200.tif
Kicker, Star, Lastchance, Tenderfoot Mines
Kicker, Star, Lastchanc...
[Wahlstrom, Ernest E. (...
[Place of publication n...
 
Title
Kicker, Star, Lastchance, Tenderfoot Mines
County
Boulder
Identifier
43377300.tif
Lily Tunnel, Gale Shaft, Clyde Mine
Lily Tunnel, Gale Shaft...
Wahlstrom, Ernest E. (E...
[Place of publication n...
 
Title
Lily Tunnel, Gale Shaft, Clyde Mine
County
Boulder
Identifier
43377400.tif
Madeline, Cross, and Firth Mines
Madeline, Cross, and Fi...
[Wahlstrom, Ernest E. (...
[Place of publication n...
 
Title
Madeline, Cross, and Firth Mines
County
Boulder
Identifier
43377500.tif
Star Mine
Star Mine
Wahlstrom, Ernest E. (E...
1943
[Place of publication n...
 
Title
Star Mine
Date Issued
1943
County
Boulder
Identifier
43377601.tif
Star Mine
Star Mine
Wahlstrom, Ernest E. (E...
1943
[Place of publication n...
 
Title
Star Mine
Date Issued
1943
County
Boulder
Identifier
43377602.tif
Star Mine
Star Mine
Wahlstrom, Ernest E. (E...
1943
[Place of publication n...
 
Title
Star Mine
Date Issued
1943
County
Boulder
Identifier
43377603.tif
Star Mine
Star Mine
Wahlstrom, Ernest E. (E...
1943
[Place of publication n...
 
Title
Star Mine
Date Issued
1943
County
Boulder
Identifier
43377604.tif
Map of Black Jack Tunnel, Jack and Summit, Cross No. 2 Tunnel, New York and Philadelphia Shafts, Pansy Blossom, Spencer Tunnel, and Carlberg
Map of Black Jack Tunne...
[Wahlstrom, Ernest E. (...
[1944]
[Place of publication n...
 
Title
Map of Black Jack Tunnel, Jack and Summit, Cross No. 2 Tunnel, New York and Philadelphia Shafts, Pansy Blossom, Spencer Tunnel, and Carlberg
Date Issued
[1944]
County
Boulder
Identifier
43377700.tif
Firth-Sterling Steel Co. Map of Claims and Mines north end Hurricane Hill
Firth-Sterling Steel Co...
Wahlstrom, Ernest E. (E...
Undated
[McKeesport (Pa.)]
 
Title
Firth-Sterling Steel Co. Map of Claims and Mines north end Hurricane Hill
Date Issued
Undated
County
Boulder
Identifier
43377800.tif
Tenderfoot Shaft
Tenderfoot Shaft
Wahlstrom, Ernest E. (E...
1944
[Place of publication n...
 
Title
Tenderfoot Shaft
Date Issued
1944
County
Boulder
Identifier
43377900.tif
Hummer, Hoosier, and Phillip shafts
Hummer, Hoosier, and Ph...
Wahlstrom, Ernest E. (E...
[Place of publication n...
 
Title
Hummer, Hoosier, and Phillip shafts
County
Boulder
Identifier
43378000.tif
Illinois Mine geologic maps
Illinois Mine geologic ...
Wahlstrom, Ernest E. (E...
[Place of publication n...
 
Title
Illinois Mine geologic maps
County
Boulder
Identifier
43378100.tif
Illinois and Illinois Extension
Illinois and Illinois E...
Wahlstrom, Ernest E. (E...
[Place of publication n...
 
Title
Illinois and Illinois Extension
County
Boulder
Identifier
43378200.tif
AIL 9-3
AIL 9-3
[Larimer, Boulder]
Colorado
1938-06-28
 
Project-Roll-Frame
AIL 9-3
County
[Larimer, Boulder]
State
Colorado
Date
1938-06-28
AIL 9-55
AIL 9-55
[Larimer, Boulder]
Colorado
1938-07-02
 
Project-Roll-Frame
AIL 9-55
County
[Larimer, Boulder]
State
Colorado
Date
1938-07-02
AIL 10-3
AIL 10-3
[Larimer, Boulder]
Colorado
1938-06-27
 
Project-Roll-Frame
AIL 10-3
County
[Larimer, Boulder]
State
Colorado
Date
1938-06-27
AIL 47-81
AIL 47-81
[Larimer, Boulder]
Colorado
1937-07-22
 
Project-Roll-Frame
AIL 47-81
County
[Larimer, Boulder]
State
Colorado
Date
1937-07-22
AIL 48-43
AIL 48-43
[Larimer, Boulder]
Colorado
1937-07-22
 
Project-Roll-Frame
AIL 48-43
County
[Larimer, Boulder]
State
Colorado
Date
1937-07-22
AIN 47-55
AIN 47-55
[Boulder, Jefferson]
Colorado
1937-07-22
 
Project-Roll-Frame
AIN 47-55
County
[Boulder, Jefferson]
State
Colorado
Date
1937-07-22
AIN 48-69
AIN 48-69
[Boulder, Jefferson]
Colorado
1937-07-22
 
Project-Roll-Frame
AIN 48-69
County
[Boulder, Jefferson]
State
Colorado
Date
1937-07-22
AIN 50-48
AIN 50-48
[Boulder, Jefferson]
Colorado
1937-07-23
 
Project-Roll-Frame
AIN 50-48
County
[Boulder, Jefferson]
State
Colorado
Date
1937-07-23
AIN 51-22
AIN 51-22
[Boulder, Jefferson]
Colorado
1937-07-23
 
Project-Roll-Frame
AIN 51-22
County
[Boulder, Jefferson]
State
Colorado
Date
1937-07-23
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