Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
MarionM/R-D121.92 m 9.66 km2,697 km
Columbus ARMSM-Dz152.4 m above ground1.61 km18,910 km
Southeast OhioM-D609.6 m (barometer)2.41 km5,126 km
Northern Ohio EastM-D548.64 m (barometer)3.22 km7,331 km