| Survey type |
M-D (magnetic; collected in digital form) |
| Flown by |
Diversified Technical Services, Inc. |
| Date flown |
04/81-05/81 |
| Line spacing |
2.4 (km)
|
| Altitude |
548.6 (m) by barometer measurement
|
| Total distance |
9,503 (km)
|
| References |
|
| Counties |
Adams - Allen - DeKalb - Jay - Steuben - Hillsdale - Lenawee - Monroe - Allen - Auglaize - Crawford - Defiance - Erie - Fulton - Hancock - Hardin - Henry - Logan - Lucas - Marion - Mercer - Morrow - Ottawa - Paulding - Putnam - Sandusky - Seneca - Union - Van Wert - Williams - Wood - Wyandot
|
| Overlapping surveys |
|
