| Survey type |
M-Dz (magnetic; digitized from contour maps) |
| Flown by |
Aero Service Corporation |
| Date flown |
02/62-04/62 |
| Line spacing |
2.4 (km)
|
| Altitude |
1524 (m) by barometer measurement
|
| Total distance |
4,828 (km)
|
| References |
|
| Counties |
Bell - Harlan - Letcher - Pike - Ashe - Claiborne - Hancock - Hawkins - Johnson - Sullivan - Bland - Buchanan - Carroll - Dickenson - Grayson - Lee - Russell - Scott - Smyth - Tazewell - Washington - Wise - Wythe - Bristol - Norton - McDowell - Mercer - Mingo
|
| Overlapping surveys |
|
