| Author: | Lewis, Walter E. |
|---|---|
| Year: | 1951 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7610 |
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 7610 |
| Subjects: | Earth dams--South Dakota--Design and construction |
| Sawing | |
| Tunneling--South Dakota--Equipment and supplies | |
| Tunneling--South Dakota | |
| Link: | https://hdl.handle.net/2027/mdp.39015078456103 |