A geologic description of township 21 north range 5 east of the Black Hills meridian, South Dakota with a discussion of the geologic literature relating to the field
The field work, upon which this article is based, was done during the summer of 1911 by a party of United States Geological Survey, under the direct supervision of Mr. E. M. Parks assisted by the writer. The duty of this party was to map the coal for the purpose of land classification. The region ex...
| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Others |
| Language: | en_US |
| Published: |
Virginia Agricultural and Mechanical College and Polytechnic Institute
2015
|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10919/64112 |