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Wind River Basin, (WY) [A1057]

Survey Size: 14,800 miles Flight Lines: N45-E, 3,700-foot spacing Tie Lines: N45-W, 5-mile spacing Elevation: 7,000 feet barometric Instrumentation: Cesium Vapor magnetometer Date Flown: April to June, 1998 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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West-Central Ohio, Area C [A1055]

Survey Size: 400 miles Flight Lines: North-South, 1/2-mile spacing Tie Lines: East-West, 5-mile spacing Elevation: 2,000 feet barometric Instrumentation: Geometrics G-803 magnetometer, 0.01 gamma Date Flown: May, 1992 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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West-Central Ohio, Area B [A1054]

Survey Size: 4,030 Miles Flight Lines: East-West, 4,000 ft spacing Tie Lines: North-South, 5-mile spacing Elevation: 2,000 feet barometric Instrumentation: Geometrics G-803 magnetometer, 0.01 gamma Date Flown: February, 1994 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

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West-Central Ohio, Area A [A1053]

Survey Size: 6,600 miles Flight Lines: East-West, 1/2-mile spacing Tie Lines: North-South, 1-mile spacing Elevation: 2,000 feet barometric Instrumentation: Geometrics G-803 magnetometer, 0.01 gamma Date Flown: January, 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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Waulsortian Mounds, ND [A1052]

Survey Size: 3,600 line miles Flight Lines: East-West, ¼-mile Tie Lines: North-South, ½-mile Elevation: Approximately 700 feet, modified drape 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 data and grids Total Cost:

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