http://book.klll.cc/ebooks/subject/31911.opds 2025-11-14T06:30:45Z Books about Earthwork Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-14T06:30:45Z https://book.klll.cc/ebooks/68721.opds Earth dams, a study Burr Bassell 2025-11-14T06:30:45Z https://book.klll.cc/ebooks/56132.opds Earthwork Slips and Subsidences upon Public Works John Newman