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  5. Alaska

Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Naval Pet. Reserve No. 4M-Dz30 m above ground3.20 km20,277 km
Northeast Alaska '72M-D304.8 m above ground1.90 km27,841 km
Northeast Alaska '73M-D304.8 m above ground1.60 km25,044 km
Philip Smith MountainsM-D304.8 m above ground1.60 km9,261 km
Killik River-Chandler L. N.M-D1219 m (barometer)3.20 km5,407 km
Killik River-Chandler L. S.M-D2438 m (barometer)3.20 km5,407 km
Alaska RegionalM-Dz1524 m (barometer)16.10 km14,484 km
Northern AlaskaM-D121.9 m above ground9.60 km14,218 km
Western Brooks RangeM-Dz1524 m (barometer)10.00 km1,802 km
Western Baird MountainsM-Dz304.8 m above ground-9999.00 km km
Baird Mtns.-Ambler RiverM-Dz304.8 m above ground1.20 km14,323 km
South NPR '77M-D243.8 m above ground9.60 km1,931 km
Wiseman-BettlesM-D304.8 m above ground1.20 km18,024 km
Prudhoe Bay RegionM-D91 m above ground1.60 km2,092 km
BarrowM/R-D121.9 m 9.60 km289 km
Beechey PointM/R-D121.9 m 9.60 km635 km
Southern NPR-AM/EM-D30 m above ground0.40 km11,115 km
Southern NPR-A - DrenchwaterM/EM-D30 m above ground0.20 km km
Harrison BayM/R-D121.9 m 9.60 km909 km
Howard Pass and east half of Misheguk MountainM-D304 m above ground1.60 km15,548 km
Ikpikpuk RiverM/R-D121.9 m 9.60 km1,408 km
Lookout RidgeM/R-D121.9 m 9.60 km1,625 km
Meade RiverM/R-D121.9 m 9.60 km1,504 km
Point LayM/R-D121.9 m 9.60 km539 km
SagavanirktokM/R-D121.9 m 9.60 km1,512 km
TeshekpukM/R-D121.9 m 9.60 km1,504 km
UmiatM/R-D121.9 m 9.60 km1,512 km
Utukok RiverM/R-D121.9 m 9.60 km1,625 km
WainwrightM/R-D121.9 m 9.60 km901 km