Economic Geology of Gilpin County and adjacent parts of Clear Creek and Boulder Counties, Colorado:
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Bibliographic Details
Main Authors: Bastin, Edson S. (Author), Hill, James M. (Author)
Format: Book
Language:English
Published: Washington Government Printing Office 1917
Series:Professional paper / United States Geological Survey 94
Subjects:
Physical Description:379, XXIII S. Ill., graph. Darst., Kt. 9 Kt.-Beil.

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Interlibrary loan Place Request Caution: Not in THWS collection!