TY - RPRT TI - A preliminary statistical analysis of some chemical and mineralogic data from lacustrine beds in the Oligocene White River Group in Dawes County, Nebraska AU - Kendell A. Dickinson PY - 1988 DO - 10.3133/ofr88449 UR - https://pubs.usgs.gov/publication/ofr88449 ID - ofr88449 ER -