Legality of Cannabis by U.S. Jurisdiction The main article for this category is Mining. Subcategories This category has the following 12 subcategories, out of 12 total. Lists of mines (3 C, 13 P)* Mines by continent (7 C) Mines by country (173 C) Mines by mineral (52 C)F Former mines (3 C, 2 P)L Lost mines (2 C, 28 P)O Open-pit mines (102 P)S Show mines (26 P) Solution mines (1 C) Surface mines (2 C)U Underground mines (1 C, 1 P)Σ Mine stubs (479 P)