This datalayer is part of a group of layers used for research in the Ipswich River Watershed. This raster digital data is the extent of the Ipswich Project study area as determined by Clark University
Surface water reservoirs scanned and digitized form different map sources in the Institute of Geodesy and Cartography and GRID-Warsaw. Rivers andlakes coded accroding to hydrological classification.
Catchment polygons for part of the region and associated attributes. All catchments are from confluence with another river or coast. Partial catchments (..._PARTL) are from arbitrary points within the
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master...
