Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Magnetic anomaly > Aeromagnetic surveys > Oregon
| Survey name | Type | Altitude | Spacing | Line miles | # pts |
|---|---|---|---|---|---|
| Mt. Hood '77 | M-D | 7000 B | 1 mile | 1,250 | 33,643 |
| Mt. Hood '77 Peak | M-D | 14,000 B | 1 mile | 90 | 2,820 |
| S. Washington Cascades | M-D | 8000 B | 0.62 miles | 4,325 | 118,700 |