Map of land modified by man in part of the Valencia 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
January 1, 1974
No abstract available.
Citation Information
| Publication Year | 1974 |
|---|---|
| Title | Map of land modified by man in part of the Valencia 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania |
| DOI | 10.3133/ofr74117 |
| Authors | John S. Pomeroy |
| Publication Type | Report |
| Publication Subtype | USGS Numbered Series |
| Series Title | Open-File Report |
| Series Number | 74-117 |
| Index ID | ofr74117 |
| Record Source | USGS Publications Warehouse |