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Countywide, April 2015 in leaf off conditions. 6" resolution 4-band digital color orthoimagery. American Society of Photogrammetry and Remote Sensing standards for 1" = 100’ scale mapping.

Countywide, Fall 2011. American Society of Photogrammetry and Remote Sensing Class II accuracy standards.

NAD_1983_HARN_WISCRS_Columbia_County_Feet (103410) Default. GSC_WGS_1984 (94326).

Degrees, Minutes, Seconds of an angle and are precision angular measurements. There are 360 degrees in a full circle, 60 minutes in a degree, and 60 seconds in a minute. These are not GPS coordinates.