Magnetometer surveys during 1941
By: by Edward L. Tullis.
Series: South Dakota. State Geological Survey. Report of investigations,; no. 42; Report of investigations (South Dakota Geological Survey) ;; no. 42.
Publisher: University of South Dakota
Published: 1942
Place of publication: Vermillion, S.D
Language: eng
Number of pages: 40
Subjects: Geomagnetism -- South Dakota.; Prospecting.; Petroleum -- Geology.
Notes: "References": p. 30.
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.