30 CFR § 820.11
Performance standards: Anthracite mines in Pennsylvania
July 29, 2020
Anthracite mines in Pennsylvania, as specified in section 529 of the Act, shall comply with its approved State program, including Commonwealth of Pennsylvania statutes and regulations, and revisions thereto that are approved by OSM pursuant to part 732 of this chapter.
[47 FR 44943, Oct. 12, 1982]