Tag Archive: Montana

Northern Thrustbelt (MT) [G1087]

Northern Thrustbelt (MT)

Survey Size: 1,817 Helicopter Stations 1,327 Road Stations Data Spacing: 5,280ft – 6,500ft 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 …

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Beartooth Mountains (MT, WY) [G1079]

Beartooth Mountains (MT, WY)

Survey Size: 528 Helicopter Stations 624 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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Sheridan County, MT [A1044]

Sheridan County, (MT)

Survey Size: 4,500 line miles, 1,008 square miles Flight Lines: North-South, ¼-mile spacing Tie Lines: East-West, 5-mile spacing Elevation: 300 feet mean terrain clearance Data Provided: Total Magnetic Intensity (IRGF removed) contour map Flight Path Map Reduced-To-Pole of TMI map Vertical Derivative map (optional) Horizontal Gradient (optional) Profiles, on paper (optional) CD/DVD with Flight Line …

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Lustre-Tule Creek Fields, MT [A1021]

Lustre-Tule Creek Fields Area, (MT)

Survey Size: 2,424 miles Flight Lines: East-West, 1-mile spacing Tie Lines: North-South, 20-mile spacing Elevation: 1,000 feet above ground level Instrumentation: Geometrics G-803 magnetometer Date Flown: March, 1984 Data Provided: Total Magnetic Intensity (IRGF removed) contour map Flight Path Map Reduced-To-Pole of TMI map Vertical Derivative map (optional) Horizontal Gradient (optional) Profiles, on paper (optional) …

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Big Horn Basin, (MT, WY) [A1005]

Big Horn Basin, (MT, WY)

Survey Size: 16,600 miles Flight Lines: East-West, ½-mile spacing Tie Lines: North-South, 5-mile spacing Elevation: 6,700 feet barometric Instrumentation: Geometrics G-813 magnetometer, 0.05 gamma Date Flown: A1004_A1005_A1010_A1018_A1023_A1040_A1046_nv_detailed, 1985, to January, 1986 Data Provided: Total Magnetic Intensity (IRGF removed) contour map Flight Path Map Reduced-To-Pole of TMI map  Vertical Derivative map (optional) Horizontal Gradient (optional) Profiles, …

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