GEOLOGIC AND PALEOECOLOGIC STUDIES OF THE NEBRASKA SAN HILLS: EOLIAN DEPOSITS IN THE NEBRASKA SAN HILLS; PALEOECOLOGY OF NONMARINE MOLLUSCA FROM SOME PALEOINTERDUNE DEPOSITS...; LATE QUARTERNARY VEGETATION HISTORY...: PROFESSIONAL PAPER 1120-A,B,C
Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1980. Soft cover. 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..... More