Date of this Version
Association of American State Geologists, 95th Annual Meeting, Lincoln, Nebraska, June 19, 2003
ASHFALL FOSSIL BEDS A State Historical Park. Brochure. NEBRASKA GAME AND PARKS COMMISSION & UNIVERSITY OF NEBRASKA STATE MUSEUM
Research Reports, 1978 Projects: A Miocene Rhinoceros Herd Buried in Volcanic Ash. Grant Recipient: Michael R. Voorhies, Division of Vertebrate Paleontology, University of Nebraska State Museum, Lincoln, Nebraska.
Geologic Framework of the Niobrara River Drainage Basin and Adjacent Areas in South Dakota Generally East of the 100th Meridian West Longitude and West of the Missouri River R.F. Diffendal, Jr. and M.R. Voorhies. Nebraska Geological Survey Report of Investigations No.9