As used in this part, unless the context otherwise requires, 'coal products' means coal ore and any other substance that might be severed from the earth by the process of producing salable coal, by whatever method of severance used.Acts 1972, ch. 795, § 2; 1973, ch. 12, § 1; 1973, ch. 96, § 2; 1974, ch. 690, §§ 1, 2; 1980, ch. 912, § 1; 1981, ch. 519, §§ 1, 2; T.C.A., § 67-5902.
Tennessee Legal Code