Airborne geophysical surveys

Counties of North Dakota

Survey name Type Altitude Spacing Flight line distance
AberdeenM/R-D121.9 m 9.60 km2,315 km
BismarckM/R-D121.9 m 9.60 km2,525 km
Devils LakeM/R-D121.9 m 9.60 km2,212 km
DickinsonM/R-D121.9 m 4.80 km4,182 km
EkalakaM/R-D121.9 m 4.80 km4,691 km
FargoM/R-D121.9 m 9.60 km2,341 km
GlendiveM/R-D121.9 m 9.60 km2,470 km
Grand ForksM/R-D121.9 m 9.60 km2,301 km
JamestownM/R-D121.9 m 9.60 km2,282 km
LemmonM/R-D121.9 m 4.80 km4,256 km
Mc CluskyM/R-D121.9 m 9.60 km2,341 km
Mc IntoshM/R-D121.9 m 9.60 km2,430 km
MilbankM/R-D121.9 m 9.60 km2,365 km
Miles CityM/R-D121.9 m 4.80 km4,411 km
MinotM/R-D121.9 m 9.60 km2,557 km
West-central surveysM-D150 m above ground0.40 km82,000 km
Northwestern surveysM-D150 m above ground0.40 km44,500 km
Northeast Mt.-Western N.D.M-D&Dz1219 m (barometer)4.80 km11,192 km
South-central North DakotaM-D1067 m (barometer)4.80 km2,784 km
RaubM-D&Dz1067 m (barometer)4.80 km410 km
NE North DakotaM-D152.4 m above ground0.40 km29,265 km
New RockfordM/R-D121.9 m 9.60 km2,248 km
Standing RockM-D91 m above ground1.00 km13,035 km
Thief River FallsM/R-D121.9 m 9.60 km2,277 km
Watford CityM/R-D121.9 m 4.80 km2,922 km
WillistonM/R-D121.9 m 9.60 km2,362 km
Wolf PointM/R-D121.9 m 9.60 km2,475 km