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The Secretary of the Department of Natural and Environmental Resources is hereby vested with jurisdiction over activities of extraction, excavation, removal and dredging of the components of the earth’s crust called sand, gravel, stone, earth, silica, calcite, clay and any other similar component of the earth’s crust not regulated as economic mineral in public and private lands. Hereafter the aforesaid substances shall be referred to as 'components of the earth’s crust', the Department of Natural and Environmental Resources as the 'Department', and the aforesaid Secretary as 'the Secretary'. History —June 25, 1968, No. 132, p. 314, § 1; June 3, 1976, No. 144, p. 423, § 1, eff. 30 days after June 3, 1976.