Contour map showing altitude of bedrock surface in southern Philadelphia, Pennsylvania
January 1, 1950
No abstract available.
Citation Information
| Publication Year | 1950 |
|---|---|
| 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 |