• 

  Notes on Arctic group, Breckenridge, Colo. 

  Author(s):Wolf, Albert G.
  Date:1916-06-14
• 

  Gold fields of Summit County, Colorado 

  Author(s):Summit County Mining Exchange
  Date:1905
• 

  Location of some mining claims, Montezuma and Breckenridge mining districts, Summit County, Colorado 

  Author(s):Dickerman, Edward D.
  Date:1941-07-18
• 

  Preliminary report on mining prospects in the Sawpit area, Colorado 

  Author(s):Collins, George E.
  Date:1931-10-07
• 

  Report on Special Session group of mines 

  Author(s):Field, Edward I.
  Date:1900-05-16
• 

  Operating costs, Alta mines, Telluride 

  Author(s):Platt, E. H.
  Date:1917
• 

  Naragansett group of claims, San Miguel County, Colorado 

  Author(s):Unknown
  Date:1911-10-27
• 

  Sketch of Cary mine and proposed workings, Summit County, Colorado 

  Author(s):Bancroft, George J.
  Date:undated
• 

  Wheel of Fortune Tunnel, San Miguel County, Colorado 

  Author(s):Bancroft, George J.
  Date:1934
• 

  Report on the Excelisor placer mine 

  Author(s):Cremer, Fred C.; Emig, Clayton E.; Howe, M. M.
  Date:1904
• 

  Erickson mine, Summit County, Colorado 

  Author(s):American Smelting and Refining Company
  Date:1941-1949
• 

  Engineer's report on the Blue River placer mines, Summit County, Colorado 

  Author(s):Brown, Thomas Albert
  Date:1912-03-12
• 

  California group of mines, The 

  Author(s):Unknown
  Date:1901-1950?
• 

  French Gulch placer mines, The 

  Author(s):Havens, N. W.
  Date:1894-02-19
• 

  Geological report on the territory traversed by the Clear Creek and Summit trans., drainage and mining tunnel, A 

  Author(s):Bancroft, George J.
  Date:1907-10-20
• 

  Proposed formation of the Telluride Consolidated Mining Company : Telluride, Colorado, U.S.A. 

  Author(s):Thorne, Harold
  Date:1929-05-29
• 

  Geology of the coal-bearing Mesaverde formation (Cretaceous), Coal Basin area, Pitkin county, Colorado 

  Author(s):Collins, Bruce A.
  Date Submitted:1970
• 

  Geology of the lead-zinc-silver deposits of Silver Plume area, Clear Creek County, Colorado 

  Author(s):Grybeck, Donald
  Date Submitted:1969
• 

  Quaternary and engineering geology of the Orchard, Weldona, and Fort Morgan quadrangles, Morgan County, Colorado 

  Author(s):Gardner, Maxwell E., 1935-
  Date Submitted:1967
• 

  Stratigraphy of Mancos-Mesaverde intertonguing, southeast Piceance Basin, Colorado and geology of a portion of the Grand Hogback, Garfield County, Colorado 

  Author(s):Warner, Donald L.
  Date Submitted:1961

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