http://www.state.ma.us/mgis/
USGS Administrative Report: The Massachusetts Shoreline Change Project: 1800's -1994 (Thieler et al., 2001)
http://www.state.ma.us/czm/shorelinechange.htm
http://www.ngdc.noaa.gov/mgg/coastal/coastal.html
http://www.co-ops.nos.noaa.gov/publications/techrpt36doc.pdf
North Atlantic Region WIS Data (Phase II) and NOAA National Data Buoy Center
http://bigfoot.wes.army.mil/ http://seaboard.ndbc.noaa.gov/
MEAN TIDE RANGE (m)