AUTHORITY: Implementing and authorized by the Illinois Natural Areas Preservation Act (Ill. Rev. Stat. 1991, ch. 105, pars. 701 et seq.) [525 ILCS 30].
SOURCE: Joint rule of the Department of Conservation and the Nature Preserves Commission: Management of Nature Preserves adopted and codified at 7 Ill. Reg. 8793, effective July 15, 1983; transferred to the Nature Preserves Commission by P.A. 83-1072, effective July 1, 1984; recodified from 17 Ill. Adm. Code 4000 at 8 Ill. Reg. 14985; amended at 18 Ill. Reg. 2290, effective January 31, 1994; recodified by changing the agency name from Department of Conservation to the Department of Natural Resources at 21 Ill. Reg. 9573.