ISBN 1313101079 books & textbook
Preliminary Report on the Paleontology of the Black Hills, Containing Descriptions of New Species of Fossils from the Potsdam, Jurassic, and Cretaceous Formations of the Black Hills of Dakota
1828-1910, Whitfield Robert Parr
Hardpress Publishing /2013-01-28 Paperback / 54 Pages
isbn-10: 1313101079 / isbn-13: 9781313101073
