Year: | 1988 |
---|---|
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior Bureau of Mines, |
Series: | Information circular / United States. Bureau of Mines ; |
Report Number: | 9183 |
Subjects: | Strip mining--Environmental aspects--Congresses |
Acid mine drainage--Congresses | |
Strip mining--Waste disposal--Environmental aspects--Congresses | |
Link: | https://hdl.handle.net/2027/mdp.39015078470344 |