Des Moines (IA)

Survey type M/R-D (magnetic; radiometric; collected in digital form)
Flown by EG&G
Line spacing 9.66 (km)
Altitude 121.92 (m)
Total distance 2,667 (km)
Counties Benton - Boone - Clarke - Dallas - Iowa - Jasper - Jefferson - Keokuk - Lucas - Madison - Mahaska - Marion - Marshall - Monroe - Polk - Poweshiek - Story - Tama - Wapello - Warren
Overlapping surveys

Data: Magnetic, radiometric (NURE) (NURE)