Single Mask File of All Towns that are Fully or Partially in the Ipswich Watershed - Idrisi Raster File.

This datalayer is part of a group of layers used for research in the Ipswich River Watershed. This datalayer is a mask of the area within the towns that make up the Ipswich River Watershed study area. The area on this mask is the complete town area of each town, and as such includes areas that are not actually within the watershed. This map has full information and was derived from the “ip30_noinfo_townmask” image. To be used to maske out area not within any town within the Ipswich River Watershed.