http://book.klll.cc/ebooks/subject/7466.opds?sort_order=downloads 2025-08-24T00:36:32Z Books about Mining engineering (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 2025-08-24T00:36:32Z https://book.klll.cc/ebooks/subject/7466.opds?sort_order=title Sort Alphabetically by Title 2025-08-24T00:36:32Z https://book.klll.cc/ebooks/subject/7466.opds?sort_order=release_date Sort by Release Date 2025-08-24T00:36:32Z https://book.klll.cc/ebooks/26697.opds Principles of Mining: Valuation, Organization and Administration Herbert Hoover 2025-08-24T00:36:32Z https://book.klll.cc/ebooks/45287.opds The A B C of Mining: A Handbook for Prospectors Charles A. Bramble