Aeromagnetic map of western Pennsylvania and parts of eastern Ohio, northern West Virginia, and western Maryland
| Main Author: | Popenoe, Peter. |
|---|---|
| Other Authors: | Petty, A. J., Tyson, Natalie S., Pennsylvania. Bureau of Topographic and Geologic Survey. |
| Format: | Map |
| Language: | English |
| Published: |
Washington, D.C. :
Interior--Geological Survey,
1964.
|
| Physical Description: |
1 map ; 83 x 88 cm folded in envelope 30 x 24 cm. |
| Series: |
Geophysical investigations (Geological Survey (U.S.)) ;
map GP-445. |
| Subjects: |
| Item Description: |
Relief shown by spot heights. "Prepared in cooperation with the Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey, Department of Internal Affairs." "Aeromagnetic survey flown at 500 feet above ground, 1964." Includes location map. |
|---|---|
| Physical Description: |
1 map ; 83 x 88 cm folded in envelope 30 x 24 cm. |