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
Survey Size: 225 Helicopter Stations Data Spacing: 5,280ft 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
Survey Size: 9,178 Helicopter Stations 12,065 Road Stations Data Spacing: 5,280ft – 6,900ft 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
Survey Size: 13,100 miles Flight Lines: North-South, 1 kilometer spacing Tie Lines: East-West, 2 kilometer spacing Elevation: 500 feet above ground level Instrumentation: High-sensitivity Cesium vapor magnetometer 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
Survey Size: 27,565 line miles (44,362 line km) Flight Lines: North-South, ½-mile spacing (0.8 km) Tie Lines: East-West, 5-mile spacing (8 km) Elevation: 8,000 feet barometric (2.4 km) Instrumentation: Geometrics G-803 magnetometer, 0.1 nanoTesla Date Flown: October, 1984, to April, 1985 Data Provided: Total Magnetic Intensity (IRGF removed) contour map Flight Path Map Reduced-To-Pole of
