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EDM Calibration Line

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The Electronic Distance Measuring Instrument (EDMI) Calibration Line is located near the Missoula International Airport. A new line constructed by Missoula County in 1999, and measured in 2002, replaces the 1985 line and is located approximately 30 feet northeasterly of the 1985 line. The following is a link to the NGS page containing information for all calibration lines in Montana.

NGS EDM Calibration Baselines