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 |