Survey Size: Eight profiles, 517 gravity stations acquired by helicopter using inertial surveying; 512 stations on the North Chukchi Sea Ice, 5 stations on land Line Spacing: Data were acquired at 3-mile intervals along 8 profiles spaced 40 miles apart Survey Date: Spring 1986 Deliverable products include: Three-dimensional Bouguer correction applied Maps (scale 1:500,000): Station
Survey Size: Gravity: 61,939 km Magnetics: 48,427 km Line Spacing: 5 km, average Survey Date: 1980 through 1986 Deliverable products include: Line Data: principal survey facts, including navigation, bathymetry, and observed and processed gravity and magnetic data Gridded data: marine-acquired bathymetry, free-air, 3-D Bouguer gravity, and magnetic anomaly Maps: Paper plots and pdf format image
Survey Size: 8 profiles, 386 gravity stations acquired by helicopter using inertial surveying; 352 stations on the Beaufort Sea ice, 34 stations on land Data Spacing: Data were acquired at 3-mile intervals along 8 profiles; spacing between profiles varies from 20 to 70 miles Complete Bouguer Corrections: Three-dimensional Bouguer correction applied Data Provided: Magnetic tape
Survey Size: 119 gravity stations acquired by helicopter using inertial surveying Data Spacing: Data were acquired at variable intervals along the coast from the Canadian border to the Canning River Terrain Corrections: Through Hayford-Bowie Zone J Data Provided: Bouguer Gravity Map at a scale of 1″ = 8,000′; station location map. Gravity data are tied
Survey Size: 5,000 square miles; approximately 4,000 stations acquired by helicopter with inertial surveying; approximately 10,000 stations (public data) Data Spacing: 5,900 foot grid Terrain Corrections: Through Hayford-Bowie Zone J Data Provided: Magnetic tape and computer printout containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain
