As used in this chapter: “ Coal ” means any of the recognized classifications and ranks of coal , including anthracite, bituminous, semibituminous, subbituminous, and lignite. “ Outcrop ” means any place where a formation is visible or substantially exposed at the surface. “ Formation ” means any vein, seam, stratum, bed, or other naturally occurring deposit. “ Coal mine ” means any underground, surface, or strip mine from which coal is obtained. “ State ” means any State or Territory of the United States , or any political subdivision thereof. “ Person ” means an individual, partnership, association, corporation, business trust, legal representative, or any organized group of persons . (Aug. 31, 1954, ch. 1156, § 2, 68 Stat. 1009 .) CFR Title Parts 30 880 43 17