Thin Elk Formation, Lower Pliocene, South Dakota
By: by J. C. Harksen and Morton Green.
Contributors: Green, Morton, 1917- joint author.
Series: South Dakota Geological Survey. Report of investigations, no. 100
Publisher: Science Center, University of South Dakota
Published: 1971
Place of publication: Vermillion
Language: eng
Subjects: Geology, Stratigraphic -- Pliocene.; Geology -- South Dakota.
Notes: Bibliography: p. 7.