Tag Archives: Terrell County

Pecos and Terrell Counties, (TX) [A1034]

Survey Size: 1,800 line miles (2,897 line km) Flight Lines: East-West, 1-mile (1.6 km) spacing Tie Lines: North-South, 1-mile (1.6 km) spacing Elevation: 500 ft. (152 m) above mean terrain Instrumentation: Geometrics G-813 magnetometer Date Flown: 1993 Data Provided: Total Magnetic Intensity (IRGF removed) contour map Flight Path Map Reduced-To-Pole of TMI map Vertical Derivative

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