A survey of the factors which affect mining of the lower Mississippian coals in Montgomery County, Virginia
"Factors Which Affect Mining of the Lower Mississippian Coals in Montgomery County, Virginia" ie a study ot the Merrimac and Langhorne seams of the Price formation in Montgomery County, Virginia. The main reference used in the review of literature was Bulletin XXV of the Virginia Geolog1ca...
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| Format: | Others |
| Language: | en_US |
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Virginia Polytechnic Institute
2017
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| Online Access: | http://hdl.handle.net/10919/77911 |