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P

PARK COUNTY

Mining districts: Alma district (Buckskin, Columbia, Consolidated-Montgomery, Mosquito), Alma placers, Bath, Beaver Creek, Black Mountain, Buffalo Peaks, Fairmount, Fairplay, Ferrari, Fish Creek (Florissant), Four mile, Guffey (Freshwater, Red Ruth), Halls Gulch/Valley (Webster), Hartsel, Horseshoe, Iron Hill, Lake George (Springer), Lower Tarryall, Mountaindale, Pennsylvania, Pulver, Reynold Switch, Sacramento, Tarryall Creek, Tarryall Springs, Weston Pass

Behr, C.H., Jr., 1932, "The Weston Pass mining district, Lake and Park Counties, Colorado": Colorado Scientific Society Proceedings, v. 13, no. 3, p. 5373.

Butler, B.S., and J.W. Vanderwilt, 1931, "The Climax molybdenum deposit of Colorado": Colorado Scientific Society Proceedings, v. 13, no. 4, p. 309353.

Lovering, T.S., 1935, Geology and ore deposits of the Montezuma quadrangle, Colo.: U.S. Geological Survey Professional Paper 178, 119 p.

Mullenburg, G.A., 1925, Geology of the Tarryall district, Park County, Colorado: Colorado Geological Survey Bulletin 31, 64 p.

Patton, H.B., A.J. Hoskin, and G.M. Butler, 1912, Geology and ore deposits of the Alma district, Park County, Colorado: Colorado Geological Survey Bulletin 3, 284 p.

Peale, A.C., 1874, "Mines noted by the South-Park division of United States Geological Survey 1872", in Hayden, F.V., Annual Report of the United States Geological and Geographical Survey of the Territories, embracing Colorado, being a report of progress of the exploration for the Year 1873: Washington, U.S. Government Printing Office, 1874. p. 301-305.

Ransome, F.L., 1911, Geology and ore deposits of the Breckenridge district, Colo.: U.S. Geological Survey Professional Paper 75, 187 p.

Shawe, D.R., 1990, Gold in the Alma mining district, Colorado: U.S. Geological Survey Bulletin 1857-F, p. 19-31.

Singewald, Q.D., 1933, "Suggestions for prospecting in the Alma district, Colorado": Colorado Scientific Society Proceedings, v.13, no. 4, p. 89131.

Singewald, Q.D., 1942, Stratigraphy, structure, and mineralization in the Beaver-Tarryall area, Park County, Colo., a reconnaissance report: U.S. Geological Survey Bulletin 928-A, p. 1-44.

Singewald, Q.D., and B.S. Butler, 1941, Ore deposits in the vicinity of the London fault of Colorado: U.S. Geological Survey Bulletin 911, 74 p.

Singewald, Q.D., 1950 (1951), Gold placers and their geologic environment in northwestern Park County, Colo.: U.S. Geological Survey Bulletin 955-D, p. 103-172.

Wilmarth, V.R., 1959, Geology of the Garo uraniumvanadium-copper deposit, Park County, Colo.: U.S. Geological Survey Bulletin 1087-A, p. 1-21.

PITKIN COUNTY

Mining districts: Avalanche Creek (Carbondale), Castle Creek (Hunter Creek, Woody), Columbia (Ashcroft), Difficult, Frying Pan (Homestake, Dry Pine), Highland, Independence, Lincoln Gulch, Maroon, Roaring Fork (Aspen, Richmond Hill, Lenardo), Rock Creek, Spring Butte, Snowmass, South Independence

Bastin, E.S., 1925, Observations on the rich silver ores of Aspen, Colorado: U.S. Geological Survey Bulletin 750-C, p. 41-62.

Bryant, Bruce, 1974 (1980), Geology of the Aspen 15-minute quadrangle, Pitkin and Gunnison counties, Colorado: U.S. Geological Survey Professional Paper 1073, 146 p.

Emmons, S.F., 1888, "Preliminary notes on Aspen, Colorado": Colorado Scientific Society Proceedings, v. 2, p. 251-277.

Knopf, Adolph, 1926, Recent developments in the Aspen district, Colorado: U.S. Geological Survey Bulletin 785-A, 28 p.

Spurr, J.E., 1898, Geology of the Aspen mining district, Colo., with atlas: U.S. Geological Survey Monograph 31,. 260 p. and atlas of 30 sheets folio.

PUEBLO COUNTY

Mining districts: Beulah

R

RIO BLANCO COUNTY

Mining districts: Coal Creek

Hancock, E.T., and J.B. Eby, 1930, Geology and coal resources of the Meeker quadrangle, Moffat and Rio Blanco counties, Colo.: U.S. Geological Survey Bulletin 812-C, p. 191-242.

RIO GRANDE COUNTY

Mining districts: Jasper (Decatur), South Mountain, Summer Coon, Summitville (Summit)

Hills, R.D., 1883, "Ore deposits of Summit district, Rio Grande County": Colorado Scientific Society Proceedings, v. 1, p. 20-36.

Patton, H.B., 1917, Geology and ore deposits of the Platoro-Summitville mining district, Colorado: Colorado Geological Survey Bulletin 13, 122 p.

Steven, T.A., and J.C. Ratte, 1960, Geology and ore deposits of the Summitville district, San Juan Mountains, Colo.: U.S. Geological Survey Professional Paper 343, 70 p.

ROUTT COUNTY

Mining districts: Clark, Copper Ridge, Elkhorn (Three Forks, Slater), Gold Blossom, Hahns Peak (Columbine), Oak Creek (Red Gorge), Rock Creek (Gore Range), Skull Creek (Blue Mountain), Slavonia, Spring Creek (Steamboat Springs), Yarmony

Gale, H.S., 1906, The Hahns Peak gold field, Colo.: U.S. Geological Survey Bulletin 285-A,.p. 2834.

Gale, H.S., 1908, Gold placer deposits near Lay, Routt County, Colo.: U.S. Geological Survey Bulletin 340-A, p. 84-95.

George, R.D., and Crawford, R.D., 1909, The Hahns Peak region, Routt County, Colo.: Colorado Geological Survey 1st Rept. 1908, p. 221.

Young, E.J., and Kenneth Segerstrom, 1973, A disseminated silver-lead-zinc sulfide occurrence at Hahns Peak, Routt County, Colo.: U.S. Geological Survey Bulletin 1367, 33 p.

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