New Madrid '73 (MO-TN-KY)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by USGS
Date flown 05/73-06/73
Line spacing 1.61 (km)
Altitude 304.8 (m) by barometer measurement
Total distance 8,880 (km)
References
Counties Clay - Greene - Alexander - Ballard - Carlisle - Fulton - Hickman - Butler - Dunklin - Mississippi - New Madrid - Pemiscot - Scott - Stoddard - Wayne - Dyer - Gibson - Lake - Obion
Overlapping surveys

Data: Magnetic (M-Dz)