http://book.klll.cc/ebooks/subject/7466.opds?sort_order=release_date 2025-08-06T17:09:54Z Books about Mining engineering (sorted by release date) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-06T17:09:54Z https://book.klll.cc/ebooks/subject/7466.opds?sort_order=title Sort Alphabetically by Title 2025-08-06T17:09:54Z https://book.klll.cc/ebooks/subject/7466.opds?sort_order=downloads Sort by Popularity 2025-08-06T17:09:54Z https://book.klll.cc/ebooks/45287.opds The A B C of Mining: A Handbook for Prospectors Charles A. Bramble 2025-08-06T17:09:54Z https://book.klll.cc/ebooks/26697.opds Principles of Mining: Valuation, Organization and Administration Herbert Hoover