Pegmatites of the Crystal Mountain district, Larimer County, Colorado Thurston, W. R. (William Roberts) 1915- creator text bibliography dcu Washington, [D.C.] U.S. G.P.O. 1955 monographic eng
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vi, 185 p. : ill., maps (some col.) ; 24 cm. by William R. Thurston. Thirteen folded leaves in pocket. Bibliography: p. 111-112. Pegmatites Petrology Colorado Larimer County Borings Colorado Larimer County Mines and mineral resources Colorado Larimer County QE75 .B9 no. 1011 Geological Survey bulletin ; 1011 gs 55000229 DLC 760702 20260227111403.0 gs 55000229