Items where Subject is "Natural resources and environment > Water resources > Groundwater"

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Number of items at this level: 2.

31 May 1982

(1982) Sinkholes, hydrogeology, and ground-water quality in northeast Iowa, 1982. University of Iowa

February 2005

(2005) Our Common Ground, 2005-2. Natural Resources, Department of

This list was generated on Sun Sep 21 23:03:23 2014 CDT.