Search Results - "Report of investigations (United States. Bureau of Mines) :"

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  1. 461

    Amphiboles in Soapstone Ridge, Ga. by Blake, Rolland Laws

    Published 1982
    “…Report of investigations / United States Bureau of Mines…”
    Book
  2. 462

    Pillar load transfer associated with multiple-seam mining / by Matetic, Rudy J.

    Published 1987
    “…Report of investigations (United States. Bureau of Mines) ;…”
    Book