Report copyright - Herrin Coal Chlorine County Coal Map Series...6 6 5 7 6 6 4 7 7 5 7 6 3 7 2 6 4 3 6 7 4 1 6 7 4 5 5 7 7 6 7 6 3 9 2 5 6 2 2 2 7 8 3 3 6 6 8 7 7 6 8 9 1 9 9 8 5 5 8 8 7 9 2 8 6 8 4
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