http://book.klll.cc/ebooks/author/45869.opds?sort_order=title 2025-08-20T19:49:06Z Books by Mattes, Merrill J. (sorted alphabetically) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-20T19:49:06Z https://book.klll.cc/ebooks/author/45869.opds?sort_order=release_date Sort by Release Date 2025-08-20T19:49:06Z https://book.klll.cc/ebooks/author/45869.opds?sort_order=downloads Sort by Popularity 2025-08-20T19:49:06Z https://book.klll.cc/ebooks/50381.opds Colter's Hell and Jackson's Hole Merrill J. Mattes 2025-08-20T19:49:06Z https://book.klll.cc/ebooks/58922.opds Scotts Bluff National Monument, Nebraska Merrill J. Mattes