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Open-File Reports
OFR 85-2 
Part 1: Hydrogeologic observations from multiple core holes and piezometers in the Devonian-carbonate aquifers in Floyd and Mitchell counties, IA, R. D. Libra, and G. R. Hallberg, 1985, p. 1-19, 5 figs., 6 tables. Part 2: Stratigraphic framework for the Devonian aquifers in Floyd-Mitchell counties, B. J. Witzke and B. J. Bunker, p. 21-32, 6 figs. 
Floyd County Mitchell County 
Floyd, Mitchell 
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