-
1Published 1986Subjects: “...Strip mining Environmental aspects Pennsylvania....”
Government Document Book -
2Published 1979Subjects: “...Strip mining Environmental aspects United States....”
Government Document Book -
3Published 1985Subjects: “...Strip mining Environmental aspects Oklahoma....”
Government Document Book -
4Published 1985Subjects: “...Strip mining Environmental aspects United States Costs....”
Government Document Book -
5Published 1988Subjects: “...Strip mining Environmental aspects United States....”
Government Document Book -
6Published 1988Subjects: “...Strip mining Environmental aspects United States....”
Government Document Book -
7Published 1989Subjects: “...Strip mining Environmental aspects West Virginia....”
Government Document Book