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[1903] Wyoming (United States, Nort … Aspen Mine Tunnel in Wyoming |
1906 [Southern Wyoming (Wyoming, Pile of mine timbers at Char … |
1906 [Southern Wyoming (Wyoming, Shaft house at Charter Oak C … |
1861-03-12 Dale to Brother, March 12, 1 … Matthew H. Dale Collection Dale, Matthew H. |
1860-03-18 Dale to Brother, March 18, 1 … Matthew H. Dale Collection Dale, Matthew H. |
1859-05-25 Dale to Dave, May 25, 1859 Matthew H. Dale Collection Dale, Matthew H. |
1859-04-27 Dale to Father, April 27, 18 … Matthew H. Dale Collection Dale, Matthew H. |
1859-08-16 Dale to Father, August 16, 1 … Matthew H. Dale Collection Dale, Matthew H. |
1859-11-27 Dale to Father, November 27, … Matthew H. Dale Collection Dale, Matthew H. |
1859-12-26 Dale to Mother, December 26, … Matthew H. Dale Collection Dale, Matthew H. |
1859-08-20 Dale to Parents, August 20, … Matthew H. Dale Collection Dale, Matthew H. |
1860-08-31 Dale to Parents, August 31, … Matthew H. Dale Collection Dale, Matthew H. |
1860-01-22 Dale to Parents, January 22, … Matthew H. Dale Collection Dale, Matthew H. |
1861-06-30 Dale to Parents, June 30, 18 … Matthew H. Dale Collection Dale, Matthew H. |
Ghost Towns of Pikes Peak U183049111296_narv_cuExtensi … 1952 |
Ghost towns of the Rockies U183049111301_narv_cuExtensi … 1951 |
[Place of publication not gi … Workings of the Chloride-Bai … Frank, H. L. Undated |
[Place of publication not gi … Workings of Richmond & Fairf … |
[Place of publication not gi … Veteran, Enterprise and Murp … [Bussche, C. A., Silversparr |
[Place of publication not gi … Union and Griffith Mining Di … Silversparre, Axel 1882 |
[Place of publication not gi … Underground workings, Hibsch … Dickerman, Edward D. 1957 |
[Place of publication not gi … Underground workings, Hibsch … Dickerman, Edward D. 1957 |
[Place of publication not gi … Underground workings of the … Teal, George H., Jr. 1928 |
[Place of publication not gi … U.S.M.M's Adams, Lead, and D … Undated |
[Place of publication not gi … U.S.L.M Comstock Lode Undated |
[Place of publication not gi … U.S.L.M Comstock Lode Undated |
[Place of publication not gi … Township No. 37 south, range … Undated |
[Denver (Colo.)] Township no. 1 south, range … Johnson, M. 1930 |
[Place of publication not gi … Township No. 1 south, range … [Tim] 1930 |
[Place of publication not gi … Township No. 1 south, range … 1930 |
[Place of publication not gi … Township No. 1 south, range … Undated |
[Place of publication not gi … Town map of Colorado Springs 1889 |
[Place of publication not gi … Topographical map showing th … Undated |
[Place of publication not gi … Topographic map of a section … Undated |
[Place of publication not gi … Titles of mines in Victor, C … 1898 |
[Place of publication not gi … Tin Cup Mining District Silversparre, Axel 1882 |
[Place of publication not gi … The Leadville Mining Distric … Saunders, Chas. F. 1901 |
Cripple Creek-Victor Gold Mi … The King Gold Mining Company … Crosley, F. W. [1900] |
Cripple Creek-Victor Gold Mi … The King Gold Mining Company … Crosley, F. W. [1900] |
[Place of publication not gi … The Goodwill Tunnel Undated |
[Place of publication not gi … The Dome Lode mining claim Preston, E. L. 1900 |
[Place of publication not gi … Tenderfoot Shaft Wahlstrom, Ernest E. (Ernest … 1944 |
[Place of publication not gi … Survey No. 19873 Pueblo Land … Heffingwell, M. 1896 |
[Place of publication not gi … Survey No. 10906 Pueblo Land … Hills, Victor G. [1896] |
Washington (D.C.) Survey No. 10810 Pueblo Land … Cramer, Fred C. 1896 |
[Place of publication not gi … Sunday Mine Energy Fuels Resources [1941] |
[Place of publication not gi … Sugar Loaf Mining District Undated |
[Place of publication not gi … Stoping map Undated |
[Place of publication not gi … Star Mine Wahlstrom, Ernest E. (Ernest … 1943 |
[Place of publication not gi … Star Mine Wahlstrom, Ernest E. (Ernest … 1943 |