Preliminary report on some pegmatites of the Custer district - Fisher, Daniel Jerome, 1896- (Vermillion, S.D., University of South Dakota, 1942)
At head of title: State of South Dakota, Harlan J. Bushfield, Governor. State Geological Survey, E. P. Rothrock, State Geologist.
Reproduced from type-written copy.
"Selected bibliography": p. 33-35.
Keywords: Pegmatites; Geology -- South Dakota -- Custer County; Mines and mineral resources -- South Dakota -- Custer County