| Survey type | M-D (magnetic; collected in digital form) |
|---|---|
| Flown by | Aerodat Inc. |
| Date flown | 04/95 |
| Line spacing | 0.53 (km) |
| Altitude | 304.8 (m) above ground |
| Total distance | 9,656 (km) |
| References | |
| Counties | Clackamas - Linn - Marion - Polk - Washington - Yamhill |
| Overlapping surveys |
| Metadata | Questions & Answers - Outline - Parseable text - XML |
|---|---|
| Download | OR_4169.zip |
