http://book.klll.cc/ebooks/author/42084.opds?sort_order=title 2025-11-16T16:21:04Z Books by Ridgway, John L. Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-16T16:21:04Z https://en.wikipedia.org/wiki/John_L._Ridgway See also: en.wikipedia 2025-11-16T16:21:04Z https://book.klll.cc/ebooks/43232.opds Preparation of Illustrations for Reports of the United States Geological Survey John L. Ridgway