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Showing 1 - 2 results of 2 for search '"Strip mining Technological innovations"', query time: 0.42s Refine Results
  1. 1
    Mining technology for lunar resource utilization.
    by Siekmeier, John A.
    Published 1990
    Subjects: “...Strip mining Technological innovations....”
    Government Document Book
  2. 2
    High angle mining system.
    by Christofferson, Donald
    Published 1983
    Subjects: “...Strip mining Technological innovations United States....”
    Government Document Microform Book
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