Geologic history of Black Hills gold placers
By: by Joseph P. Connolly
Series: South Dakota. State Geological Survey. Report of investigations -- no. 16; Report of investigations (South Dakota Geological Survey) -- no. 16.
Publisher: University of South Dakota
Published: 1933
Place of publication: Vermillion, S.D
Language: eng
Number of pages: 16
Subjects: Gold mines and mining; Geology
Notes: Mimeographed.