http://book.klll.cc/ebooks/subject/30039.opds2025-11-18T11:46:15ZBooks about Geology -- Texas -- Palo Duro State ParkFree eBooks since 1971.Project Gutenberghttps://book.klll.ccwebmaster@gutenberg.orghttps://book.klll.cc/gutenberg/favicon.ico2512025-11-18T11:46:15Zhttps://book.klll.cc/ebooks/52179.opdsThe Geologic Story of Palo Duro CanyonWilliam Henry Matthews