Series: Contributions to Geology, Special Paper No. 1
Year: 1969
Author: Michael R. Voorhies
Pages: 69
Description: Determines from geological and biological evidence how a concentration of fossil bones originated. The Verdigre quarry of earliest Pliocene age in the Valentine Formation, northeastern Nebraska, forms the basis for the investigation.
EISBN: 978-0-9897626-0-1
