Code of Federal Regulations · Section
§ 75.1200-2 — -2 Accuracy And Scale Of Mine Maps
30 C.F.R. § 75.1200-2
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(a) The scale of mine maps submitted to the Secretary shall not be less than 100 or more than 500 feet to the inch.
(b) Mine traverses shall be advanced by closed loop methods of traversing or other equally accurate methods of traversing.
Authorizing Statute
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Mandatory safety and health standards30 U.S.C. § 811