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(ESRI Shapefile with ArcGIS .lyr and ArcView 3x .avl)
The Long Distance Trails Datalayer is a line coverage representing trails that are longer than 25 miles. The data was created for the purpose of regional planning and mapping by the Massachusetts Department of Conservation and Recreation and was modified for DCR (then DEM) by the University of Massachusetts in 1997. At scales of 1:50,000 or smaller the data is reliable for all trails; between 1:50,000 and 1:25,000 the data quality of some trails may be significantly inaccurate; for scales greater than 1:25,000 the quality of most trails will be significantly inaccurate. The ArcSDE layer is named LONGDISTTRAILS_ARC.
All data was digitized from paper maps, most coming directly from USGS Topographic Quadrangles.
The arc attribute table contains the item NAME, which indicates the name of the long distance trail.
DCR is maintaining this datalayer. The data may be used in conjunction with the Bicycle Trails Datalayer , also produced by DCR.
Last Updated 5/30/2007