Skunk River Basin Maps, 1987 <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Poweshiek+County+Soil+and+Water+Conservation+District">Poweshiek County Soil and Water Conservation District</a> Skunk River Basin Maps including information on alluvial and buried channel aquifiers; depth to bedrock; quaternary isopach; median nitrate concentration for sample centers and shallow bedrock areas. Iowa Department of Natural Resources State Library of Iowa 1987 Poweshiek County Soil and Water Conservation District of Iowa. For questions about copyright, contact the State Library of Iowa at  <a href="http://www.statelibraryofiowa.org">http://www.statelibraryofiowa.org</a>. This item is protected by copyright and/or related rights. Your are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). <a href="http://rightsstatements.org/">http://rightsstatements.org</a> pdf eng Still Image; Map