Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
EkalakaM/R-D121.9 m 4.80 km4,691 km
GilletteM/R-D121.9 m 4.80 km4,723 km
HardinM/R-D121.9 m 9.60 km2,537 km
Powder River BasinM-D121.9 m above ground9.60 km9,948 km
Powder River R&DM/R-D121.9 m above ground9.60 km2,446 km
SheridanM/R-D121.9 m 4.80 km4,665 km