A Guide to Pennsylvanian Carboniferous-Age Plant Fossils of Southwest Virginia.
Thomas F. McLoughlin
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Plant Fossil Atlas From (Pennsylvanian) CARBONIFEROUS AGE FOUND in Central Appalachian Coalfields
Thomas F. Mcloughlin
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ATLAS OF PENNSYLVANIAN (CARBONIFEROUS) AGE PLANT FOSSILS of the Central Appalachian Coalfields : Volume 2
Thomas F. McLoughlin
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