Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1980. Soft cover. Item #46726
From study of stratification and biota and interdune deposits, new information is obtained regarding the origin of the Nebraska Sand Hills. 38 pages with maps, tables, photographs, elevations, references and index. Bound in original tan stiff paper covers with printing in dark brown. Library stamp on the front cover. No other library stamps, marking, plates of pockets were ever present. A near fine copy.