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Beaufort Sea Ice Survey [G1064]

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

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NPRA Survey [G1062]

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

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Holtina Basin Survey [G1061]

Survey Size: 1,150 stations acquired using inertial surveying Data Spacing: Data were acquired at one-mile intervals along lines spaced six miles apart 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 correction, station

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