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Showing 1 - 2 results of 2 for search '"Report of investigations (United States. Bureau of Mines) ;"', query time: 0.23s Refine Results
  1. 1
    Use of lignochemicals and humic acids to remove heavy metals from process waste streams /
    by Pahlman, J. E. (John E.)
    Published 1988
    “...Report of investigations (United States. Bureau of Mines) ;...”
    Government Document Book
  2. 2
    Improved drilling of coal measure rocks for underground mine void detection and exploration programs /
    by Watson, Pamela J.
    Published 1991
    “...Report of investigations (United States. Bureau of Mines) ;...”
    Government Document Book
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