Restoring surface-mined land.
Restoring surface-mined land.
- [Washington; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1968]
- 18 p. illus. 25 cm.
- Miscellaneous publication no. 1082 .
- Miscellaneous publication (United States. Department of Agriculture) ; no. 1082. .
agr68000158
Strip mining.
Mining
S21.A46 / no. 1082
1Ag84M no. 1082
agr68000158
Strip mining.
Mining
S21.A46 / no. 1082
1Ag84M no. 1082