Airborne geophysical surveys

Survey name	Type	Altitude	Spacing	Flight line distance
Cheyenne	M/R-D	121.92 m	4.83 km	4,876 km
Powder River Basin	M-D	121.92 m above ground	9.66 km	9,949 km
Torrington	M/R-D	121.92 m	4.83 km	4,828 km