Showing 1 - 2 results of 2 for search 'Ries, H.', query time: 0.01s Refine Results
  1. 1
    Economic Geology
    by Ries, H.
    Published 1942
    Printed Book
  2. 2
    Engineering Geology
    by Ries, H. and Watson, Thomas L.
    Published 1936
    Printed Book
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