Category Archives: Land Gravity Surveys

North Cukchi Sea Ice

North Chukchi Sea Ice Survey (AK) [G1066]

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

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Southern Thrustbelt (NV, UT) [G1090]

Survey Size: 4,065 Helicopter Stations 4,215 Road Stations Data Spacing: 6,000ft – 7,000ft Helicopter ¼ mi – ½ mi Road Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities Gravity data

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West Bighorn Basin (WY) [G1093]

Survey Size: 1,589 Helicopter Stations Data Spacing: 3,500ft Helicopter Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities Gravity data are tied to the Worldwide Defense Mapping Agency base station gravity

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Survey E (WY) [G1092]

Survey Size: 903 Helicopter Stations 235 Road Stations Data Spacing: 5,280ft Helicopter ¼ mi Road Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities Gravity data are tied to the Worldwide

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Spring Mountain (NV) [G1091]

Survey Size: 1,245 Helicopter Stations Data Spacing: 6,000ft Helicopter Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities Gravity data are tied to the Worldwide Defense Mapping Agency base station gravity

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