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Missoula County Department of Public Works: Surveyor's Office
(406) 258-4870
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Missoula County Department of Public Works: Surveyor's Office

Department of Public Works: Survey Office
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Electronic Distance Measuring Instrument (EDMI) Calibration Line

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.
http://www.ngs.noaa.gov/CBLINES/BASELINES/mt


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