Showing 1 - 2 results of 2 for search '"United States."', query time: 0.14s Refine Results
  1. 1
    Potentiometric surface of the Aquia Aquifer in southern Maryland, September - October 1996 /
    by Curtin, Stephen E.
    Published 1997
    “...United States Aquia Formation. fast (OCoLC)fst01247182...”
    Government Document Microform Map
  2. 2
    Potentiometric surface of the Aquia Aquifer in southern Maryland, September 1998 /
    by Curtin, Stephen E.
    Published 2000
    “...United States Aquia Formation. fast (OCoLC)fst01247182...”
    Government Document Map Microform
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