Petrography of Radioactive Tertiary Igneous Rocks, Front Range Mineral Belt, Colorado
Subtitle: Geology and Ore Deposits of Clear Creek, Gilpin and Larimer Counties, Colorado.
Contributors: Wells, J.D.
Series: U.S. Geological Survey bulletin -- 1032E
Publisher: s.n
Published: 1955
Place of publication: S.l
Language: eng
Notes: 1