Economic geology of Gilpin county and adjacent parts of Clear Creek and Boulder counties, Colorado /

Bibliographic Details
Main Authors:	Bastin, Edson S. (Edson Sunderland), 1878-1953, Hill, James M. (James Madison), 1884- (Author)
Format:	Government Document Book
Language:	English
Published:	Washington : Govt. Print. Off, 1917.
Series:	Professional paper (Geological Survey (U.S.)) ; 94.
Subjects:	Mines and mineral resources > Colorado > Boulder County. Mines and mineral resources > Colorado > Clear Creek County. Mines and mineral resources > Colorado > Gilpin County. Geology > Colorado.

Evans: US Documents (Annex 5th floor)