Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Elk River ARMSM-A152.4 m above ground1.60 km16,093 km
WasecaM-Dz304.8 m above ground1.60 km13,759 km
Minnesota Coop SouthwestM-Dz304.8 m above ground1.60 km16,173 km
Southeastern surveys part 3M-D200 m above ground1.00 km km
New UlmM/R-D121.9 m 4.80 km4,586 km
St PaulM/R-D121.9 m 9.60 km2,348 km