Downloaded from MassGIS, imported into ArcView 3.2 as ArcView shapefiles. Edited to only towns within Ipswich River Watershed.
Exported to Idrisi32 Release 2. Removed areas that coincide with “noinfo” category through an overlay.
Process_Date: 200106
Information relevant to the GIS data encoding
Mask which encompasses all towns that have at least part of their area in the Ipswich watershed.Horizontal Coordinate System Name:NAD 1983 StatePlane Massachusetts Mainland FIPS 2001
Datum: D North American 1983
Reference Ellipsoid: Name: GRS 1980 Semi Axis: 6378137.0
Meridian: Greenwich
Projection Name : Lambert Conformal Conic
Number of bands : 1
Raster Origin : Lower Left
Rows : 1152
Columns : 1692
Cell Geometry :pixel