Tag Archives: Powder River Basin

Powder River Basin, WY [A1037]

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

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