Spieker, Andrew M. 1932- Ground-water hydrology and geology of the lower great Miami river Valley Ohio / by Andrew M. Spieker. -- Washington : United States Government Printing Office, 1968 - 37 p. + map. -- (Geological Survey Professional Paper ; 605-A). Subjects--Topical Terms: GeologíaHidrologíaOhio Universal Decimal Class. No.: 556(771)