Tag Archives: Sheridan County

Sheridan County, MT [A1044]

Survey Size: 4,500 line miles, 1,008 square miles Flight Lines: North-South, ΒΌ-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

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