Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Magnetic anomaly > Aeromagnetic surveys > Pennsylvania
| Survey name | Type | Altitude | Spacing | Line miles | # pts |
|---|---|---|---|---|---|
| Pennsylvania Coop | M-Dz | 3000 B | 2 miles | 3,000 | 2,592 |
| Central & Northern Penn. | M-Dz | 1000 AG | 3 miles | 7,900 | 39,082 |