Magnetometer surveys during 1941, by Edward L. Tullis.
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TextSeries: Report of investigations (South Dakota Geological Survey) ; no. 42.Publication details: Vermillion, S.D., University of South Dakota, 1942.Description: 40 p. illusSubject(s): LOC classification: - QC825.1.U8 S84
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.
"References": p. 30.
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