Pegmatites in the Beecher Rock basin
By: by Charles S. Gwynne.
Series: South Dakota Geological Survey. Report of investigations,; no. 48; Report of investigations (South Dakota Geological Survey) ;; no. 48.
Publisher: University of South Dakota
Published: 1944
Place of publication: Vermillion, S.D
Language: eng
Number of pages: 23
Subjects: Pegmatites.; Geology -- South Dakota -- Custer County.
Notes: "Selected bibliography": leaf at end.
At head of title: State of South Dakota, M. Q. Sharpe, Governor. State Geological Survey, E. P. Rothrock, State Geologist.
Reproduced from type-written copy.