In 1999 PRJ flew a high-definition aeromagnetic survey in south-central New York that covers the current area of exploration for Trenton-Black River gas reservoirs. The survey covers an area of over 2.2 million acres. Survey Size: 13,675 line miles Flight Lines: North-south, 1/3-mile line spacing Tie Lines: East-west, 1-mile line spacing Elevation: 500 feet above
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
Survey Size: 32,650 miles Flight Lines: East-West, ½- and 1-mile spacing Tie Lines: North-South, 5- and 10-mile spacing Elevation: 5,000 feet barometric Instrumentation: Geometrics G-803 magnetometer, 0.05 gamma Date Flown: August to November, 1984, and June to August, 1985 Data Provided: Total Magnetic Intensity (IRGF removed) contour map Flight Path Map Reduced-To-Pole of TMI map
Survey Size: 25,000 line miles (40,234 line km) Flight Lines: North-South, ½ – and ⅔-mile (0.8 and 1 km) spacing Tie Lines: East-West, 6-mile (9.7 km) spacing Elevation: 8,000, 9,000, and 11,000 feet (2.4, 2.7, and 3.4 km) barometric, draped over higher elevations Instrumentation: Geometrics G-813 magnetometer Date Flown: June to August, 1987 Data Provided:
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
