Showing 1 - 2 results of 2 for search 'Butler, Robert L.', query time: 0.07s Refine Results
  1. 1
    California "catchable" trout fisheries /

    California "catchable" trout fisheries / by Butler, Robert L.

    Published 1965
    Book
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  2. 2
    Fish and food organisms in acid mine waters of Pennsylvania /

    Fish and food organisms in acid mine waters of Pennsylvania / by Butler, Robert L.

    Published 1973
    Search for the full-text version of this title in HathiTrust
    Government Document Book
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