Contour map showing altitude of bedrock surface in southern Philadelphia, Pennsylvania
January 1, 1950
No abstract available.
Citation Information
Publication Year | 1950 |
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Title | Contour map showing altitude of bedrock surface in southern Philadelphia, Pennsylvania |
DOI | 10.3133/ofr5073 |
Authors | J.B. Graham |
Publication Type | Report |
Publication Subtype | USGS Numbered Series |
Series Title | Open-File Report |
Series Number | 50-73 |
Index ID | ofr5073 |
Record Source | USGS Publications Warehouse |