Groundwater quality and hydrogeology of Devonian-carbonate aquifers in Floyd and Mitchell counties, Iowa /
Robert D. Libra, George R. Hallberg, Gale G. Ressmeyer, Bernard E. Hoyer. Devonian stratigraphy of north-central Iowa : a geologic framework for the Devonian aquifer and karst systems in Floyd-Mitchell counties / by Brian J. Witzke and Bill J. Bunker.
APA Citation
Bunker, B. J.., Witzke, B. J.., Hoyer, B. E.., Ressmeyer, G. G.., Hallberg, G. R.., Libra, R. D., Iowa Geological Survey. (1984). Groundwater quality and hydrogeology of Devonian-carbonate aquifers in Floyd and Mitchell counties, Iowa. Iowa City: Iowa Geological Survey.
MLA Citation
Iowa Geological Survey, et al.. Groundwater Quality And Hydrogeology of Devonian-carbonate Aquifers In Floyd And Mitchell Counties, Iowa. Iowa City: Iowa Geological Survey, 1984.
Warning: These citations may not always be complete (especially for serials).