Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
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
Cloud PeakM-Dz4267 m (barometer)1.60 km1,018 km
Cloud Peak Extension EastM-Dz3658 m (barometer)1.60 km482 km
Cloud Peak Extension WestM-Dz3658 m (barometer)1.60 km160 km