This line data layer represents trails for Douglas County, Wisconsin in 2016. It is a feature dataset within the geodatabase, Columbia_Zoning_2016.gdb. This feature dataset includes the feature layers 'REC_COS_TRAILHEADS', 'TRANS_COS_ALL_TRAILS', 'TRANS_DC_COMBINED_TRAILS', 'TRANS_DC_SUMMER_ATV_TRAILS', and 'TRANS_DC_WINTER_ATV_TRAILS'.