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2
Limestone resources of Scott County, Illinois
Circular / Illinois State Geological Survey. Department of Registration and Education, State of Illinois ; 472
Copies:
Zentrale:Magazin bc 0469-472
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3
Limestone and dolomite resources of Jersey county, Illinois
Circular / Illinois State Geological Survey. Department of Registration and Education, State of Illinois ; 448
Copies:
Zentrale:Magazin bc 0469-448