USGS Massachusetts-Rhode Island Water Science Center
1. Software.
ArcIMS® is a product of ESRI® (Environmental Systems Research Institute, Inc., Redlands, CA).
2. Data.
The Streamgage and Ground-Water Station data compiled by the Massachusetts-Rhode Island Water Science Center of the U.S. Geological Survey, Northborough, MA.
All other data obtained from the Office of Geographic and Environmental Information (MassGIS), Commonwealth of Massachusetts Executive Office of Energy and Environmental Affairs.
Notice: The surficial geology datalayer is very generalized when compared to the other MassGIS data. MassGIS uses the surficial geology data only to produce volume or area measurements over a large region, e.g. a drainage basin. It is not accurate for site specific analysis. Visit http://www.mass.gov/mgis/sg.htm for more details.
Data coordinate system/projection:
NAD83 datum, MassachusettsState Plane Mainland Zone coordinate system.
Units: meters.