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The Helderberg group of parts of West Virginia and Virginia

January 1, 1930

No abstract available.

Publication Year 1930
Title The Helderberg group of parts of West Virginia and Virginia
DOI 10.3133/pp158C
Authors F.M. Swartz
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Professional Paper
Series Number 158
Index ID pp158C
Record Source USGS Publications Warehouse