Description
This packet includes a copy of each of the following:
A Century of Research at Petrified Forest National Park: Natural and Cultural History
Edited by William G. Parker and Patricia A. Thompson
Pages: 75
A Century of Research at Petrified Forest National Park: Geology and Paleontology
Edited by William G. Parker, Sidney R. Ash and Randall B. Irmis
Pages: 187
