Year: | 1984 |
---|---|
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.27:8982 |
Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 8982 |
Subjects: | Conservation of natural resources--Research--United States |
Mining engineering--Research--United States | |
Link: | https://hdl.handle.net/2027/mdp.39015078458745 |