The copper deposits of the Encampment district, Wyoming
By: by Arthur C. Spencer.
Series: Professional paper / United States Geological Survey -- no.25; Series A, Economic geology / United States Geology Survey -- 32; Series B, Descriptive geology / United States Geology Survey -- 37; Professional paper (Geological Survey (U.S.)) -- no.25.; Series A, Economic geology (Geological Survey (U.S.)) -- 32.; Series B, Descriptive geology (Geological Survey (U.S.)) -- 37.
Publisher: Government Printing Office
Published: 1904
Place of publication: Washington
Language: eng
Number of pages: 107
Subjects: Copper ores -- Wyoming.