http://www.gutenberg.org/ebooks/subject/28897.opds 2024-11-08T13:45:54Z Books about Geology -- Wyoming -- Fossil Butte National Monument (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://www.gutenberg.org webmaster@gutenberg.org https://www.gutenberg.org/gutenberg/favicon.ico 25 1 2024-11-08T13:45:54Z https://sendtokindle.compellingsciencefiction.com/ebooks/49829.opds The Geological History of Fossil Butte National Monument and Fossil Basin Paul O. McGrew and Michael Casilliano