| Survey type | M-Dz (magnetic; digitized from contour maps) |
|---|---|
| Flown by | U.S. Geological Survey |
| Date flown | 12/65 |
| Line spacing | 0.8 (km) |
| Altitude | 152.4 (m) above ground |
| Total distance | 1,496 (km) |
| References | |
| Counties | Essex - Middlesex - Plymouth - Suffolk - Worcester |
| Overlapping surveys |
| Metadata | Questions & Answers - Outline - Parseable text - XML |
|---|---|
| Download | MA0560.zip |
