Note: The data were reprojected from their native projection into North American Datum 1983 (NAD83) / Massachusetts State Plane coordinate system, Mainland Zone (Fipszone 2001) meters by the Massachusetts Office of Coastal Zone Management on Oct. 17, 2006.
The purpose of this feature class is to qualitatively characterize the seafloor within the study area by five general physiographic zones.
These data should not be used at resolutions for which it is not intended.
Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey (USGS) as the source of this information.
Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.