Guidebook and road logs for 23rd annual meeting, May 6, 7, 8, and 9, 1970.
By: J. P. Gries, editor
Contributors: South Dakota School of Mines and Technology
Publisher: South Dakota School of Mines and Technology
Published: 1970
Place of publication: Rapid City
Language: eng
Number of pages: 36
Subjects: Geology -- South Dakota