Coal mining in Sullivan County, Indiana (Geological Survey special report)
A Geological Survey special report detailing coal mining operations and resources in Sullivan County, Indiana, authored by Denver Harper.
About This Book
This special report from the Geological Survey focuses on coal mining in Sullivan County, Indiana.
Authored by Denver Harper, the publication provides technical information related to the region's coal resources.
The report serves as a reference for understanding mining activities and geological features in the specified area.
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