ISBN 9781884589430 books & textbook
Stratigraphy, Fossil Distribution, and Depositional Environments of the Upper Bridger Formation (Middle Eocene), Southwestern Wyoming (Report of Investigations, 57)
Paul C. Murphey Emmett Evanoff
Wyoming State Geological Survey /2008T Paperback / 107 Pages
isbn-10: 188458943X / isbn-13: 9781884589430
