Author: | Thoenen, J. R. |
---|---|
Year: | 1933 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
Series: | Information circular ; |
Report Number: | 6689 |
Subjects: | Gravel |
Sand | |
Sand and gravel industry | |
Link: | https://hdl.handle.net/2027/mdp.39015074128250 |