Title Geology and ground-water resources of a part of south-central Kansas : with special reference to the Wichita municipal water supply / by Charles C. Williams and Stanley W. Lohman, with analyses by Robert H. Hess and others; prepared by the State Geological Survey of Kansas and the United States Geological Survey, with the cooperation of the City of Wichita, the Division of Sanitation of the Kansas State Board of Health, and the Division of Water Resources of the Kansas State Board of Agriculture.