http://book.klll.cc/ebooks/subject/28897.opds 2025-09-19T01:15:42Z Books about Geology -- Wyoming -- Fossil Butte National Monument (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-09-19T01:15:42Z https://book.klll.cc/ebooks/49829.opds The Geological History of Fossil Butte National Monument and Fossil Basin Paul O. McGrew and Michael Casilliano