STATE DATASETNAME SPECIFIC LOCATION SURVEY YEAR SOURCE METHODOLOGY GEOMETRY CT EELGRASS_BEDS_2002_POLY Eastern Long Island Sound 2002 USFWS Aerial photography Polygon CT EELGRASS_BEDS_2006_POLY Eastern Long Island Sound 2006 USFWS Ground-truthed aerial photos Polygon CT EELGRASS_BEDS_2009_POLY Eastern Long Island Sound 2009 USFWS Ground-truthed aerial photos Polygon CT EELGRASS_BEDS_HISTORIC_POLY Eastern Long Island Sound 1905-1996 CT DEEP Literature reviews Polygon MA EELGRASS_POLY Massachusetts coastline 1995, 2001 MA DEP Ground-truthed aerial photos Polygon NH Eelgrass1981 Great Bay Estuary 1981 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass1986 Great Bay Estuary 1986 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass1987 Great Bay Estuary 1987 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass1988 Great Bay Estuary 1988 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass1989 Great Bay Estuary 1989 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass1990 Great Bay Estuary 1990 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass1991 Great Bay Estuary 1991 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass1992 Great Bay Estuary 1992 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass1993 Great Bay Estuary 1993 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass1994 Great Bay Estuary 1994 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass1995 Great Bay Estuary 1995 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass1996 Great Bay Estuary 1996 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass1997 Great Bay Estuary 1997 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass1998 Great Bay Estuary 1998 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass1999 Great Bay Estuary 1999 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass2000 Great Bay Estuary 2000 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass2001 Great Bay Estuary 2001 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass2002 Great Bay Estuary 2002 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass2003 Great Bay Estuary 2003 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass2004 Great Bay Estuary 2004 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass2005 Great Bay Estuary 2005 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass2006 Great Bay Estuary 2006 UNH/GRANIT Ground-truthed aerial photos Polygon MA EELGRASS2006_7_POLY Selected Embayments 2006-2007 MA DEP Ground-truthed aerial photos Polygon NH Eelgrass2007 Great Bay Estuary 2007 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass2008 Great Bay Estuary 2008 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass2009 Great Bay Estuary 2009 UNH/GRANIT Ground-truthed aerial photos Polygon NH Eelgrass2010 Great Bay Estuary 2010 UNH/GRANIT Ground-truthed aerial photos Polygon ME Eelgrass2010_ME Coastline 2001 ME DMR Ground-truthed aerial photos Polygon NH Eelgrass2011 Great Bay Estuary 2011 UNH/GRANIT Ground-truthed aerial photos Polygon ME eelgrass97 Coastline 1993-1997 ME DMR Ground-truthed aerial photos Polygon RI fordpoly Quonochontaug Pond 2000 URI Field observation Polygon RI narrbayproj Narragansett Bay 1988 RI CRMC Aerial photography Polygon RI nbeppolys Narragansett Bay 1996 NBEP Aerial photography Polygon RI SAV06 Block Island/Narragansett Bay 2006 URI Ground-truthed aerial photos Polygon RI SAV09 Coastal Ponds 2009 URI Ground-truthed aerial photos Polygon RI urinrs Ninigret 2000 URI Ground-truthed aerial photos Polygon RI crmclines South Coast/LIS 1999-2000 RI CRMC Field survey Line RI bieelgrass Block Island 2000 RI CRMC Field survey Line RI riafpts Narragansett Bay 1848-1994 RI CRMC Historical sources Point