bijoux-et-mineraux:Fluorite - Minerva No. 1 Mine, Ozark-Mahoning group, Cave-in-Rock, Cave-in-Rock
bijoux-et-mineraux:Fluorite - Minerva No. 1 Mine, Ozark-Mahoning group, Cave-in-Rock, Cave-in-Rock Sub-District, Hardin Co., Illinois -- source link
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