Code of Federal Regulations Title 43. Public Lands:  Interior § 43.3832.34 How may I use my mill site?

(1) Placement of grinding, crushing, or milling facilities (such as rod and ball mills, cone crushers, and floatation cells) and reduction facilities (such as smelting, electro-winning, roasters, autoclaves, and leachate recovery);

(2) Mine administrative and support buildings, warehouses and maintenance buildings, electrical plants and substations;

(3) Tailings ponds and leach pads;

(4) Rock and soil dumps;

(5) Water and process treatment plants;  and

(6) Any other use that is reasonably incident to mine development and operation, except for uses exclusively supporting reclamation or mine closure.

(1) Quartz or stamp mills;  or

(2) Reduction works, including placement of grinding, crushing, or milling facilities (such as rod and ball mills, cone crushers, and floatation cells), reduction facilities (such as smelting, electro-winning, roasters, autoclaves, and leachate recovery), tailings ponds, and leach pads.