rockhounding
Illinois
9 researched sites1 legal to collect
Cave-in-Rock District, Hardin Co., ILMineral locality · Gray area
›Fluorite District Dumps, Rosiclare and Cave-in-RockMineral locality · Gray area
›Keokuk Geodes, Hamilton and WarsawCrystal locality · Permission required
›Mazon Creek (Mazonia State Fish and Wildlife Area)Fossil site · Legal to collect
›Mazon Creek (Pit 11 / Braidwood spoil piles)Fossil site · Gray area
›Mazon Creek / Braidwood concretions, IllinoisFossil site · Permission required
›Rosiclare, Hardin Co., ILMineral locality · Gray area
›Thornton QuarryFossil site · Permission required
›Warsaw / Hamilton Geode Area, ILGeode bed · Permission required
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