Reed, E. C. No date. General Geology of the Great Plains (OFR-2). 5 pp., size 8.5" x 11". No specific date is given on the report. However, the author is listed as director of the Conservation and Survey Division, which dates the report sometime between 1954 and 1967. Gormly, J. R. 1979. Water Quality in the Nebraska High Plains, Ogallala Aquifer Study Region (OFR-21). 49 pp., size 8.5" x 11". Description: A contract report for the Six-States High Plains-Ogallala Aquifer Area Study, Nebraska Natural Resources Commission, November 26, 1979, reprinted November 15, 1983.