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Calcite
Minerva Mine #1, Cave In Rock District, Hardin Co., Illinois
7.5 x 7.5 cm.
Mined in August 1993. (Author: crosstimber)

Calcite
Minerva Mine #1, Cave In Rock District, Hardin Co., Illinois
7.5 x 7.5 cm.
Mined in August 1993. (Author: crosstimber)

Dimensions: 750 x 515
File size: 22.92 kbytes
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