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Showing 1 - 6 results of 6 for search '"Academy of Natural Sciences of Philadelphia"', query time: 0.25s Refine Results
  1. 1
    Results of the Fifth George Vanderbilt expedition (1941) : (Bahamas, Caribbean sea, Panama, Galapagos archipelago and Mexican Pacific islands).
    Published 1944
    “...Monograph (Academy of Natural Sciences of Philadelphia) ;...”
    Conference Proceeding Book
  2. 2
    The development of geological studies in the Grand Canyon /
    by Spamer, Earle E.
    Published 1989
    Conference Proceeding Book
  3. 3
    Water quality criteria.
    Published 1967
    Conference Proceeding Book
  4. 4
    Proceedings of the fourth national conference, Solid Waste Management /
    Published 1990
    Conference Proceeding Book
  5. 5
    Early man : as depicted by leading authorities at the International symposium, the Academy of Natural Sciences, Philadelphia, March 1937 /
    Published 1937
    Conference Proceeding Book
  6. 6
    Proceedings of the National Water Conference /
    Published 1982
    Conference Proceeding Book
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