This datalayer is part of a group of layers used for research in the Ipswich River Watershed. This layer includes the area within each town in the Ipswich River Watershed in vector form. This map contains complete information and was derived from the ip30_noinfo_towns layer.
Vector file of town boundaries in Ipswich Watershed
Edit town boundary vector polygon to include only polygons within our Ipswich Study Area. Import edited vector polygon into Idrisi 32 Release 2. Rasterize with POLYRAS module. Remove “no information” category using a reclass. Vectorize using POLYVEC module.
Process_Date: January 2002
Vector file of town boundaries in Ipswich WatershedHorizontal Coordinate System Name:NAD 1983 StatePlane Massachusetts Mainland FIPS 2001
Datum: D North American 1983
Reference Ellipsoid: Name: GRS 1980 Semi Axis: 6378137.0
Projection Name : Lambert Conformal Conic