TY  - BOOK
AU  - John S. Hittell
TI  - Hittel on Gold Mines and Mining
KW  - Technology
UR  - https://new.zodml.org/sites/default/files/2023-08/hittel_on_gold_mines_and_mining_by_john_s._hittell_tag_gold_mines_and_mining.epub
ER  -