30 C.F.R. § 75.1202 Temporary notations, revisions, and supplements.
Title 30 - Mineral Resources
[Statutory Provisions] Such map shall be kept up-to-date by temporary notations and such map shall be revised and supplemented at intervals prescribed by the Secretary on the basis of a survey made or certified by such engineer or surveyor.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart M—Maps
§ 75.1202 Temporary notations, revisions, and supplements.
