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Hillshade of Multibeam Bathymetry 2 meter/pixel of Boston Harbor and...
These data are high-resolution bathymetric measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of sidescan sonar and... -
10-m resolution gray-scale image of multibeam backscatter intensity in...
The U.S. Geological Survey has conducted geologic mapping to characterize the sea floor offshore of Massachusetts. The mapping was carried out using a Simrad Subsea EM 1000... -
Digital Shoreline Analysis System version 4.3 shoreline intersection points...
Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline and... -
1-m interval contours of smoothed multibeam bathymetry in western...
The U.S. Geological Survey has conducted geologic mapping to characterize the sea floor offshore of Massachusetts. The mapping was carried out using a Simrad Subsea EM 1000... -
Offshore baseline for Greater Boston coastal region from the southern side...
Sandy ocean beaches are a popular recreational destination, often surrounded by communities containing valuable real estate. Development is on the rise despite the fact that... -
Hillshaded relief image derived from elevations of the late-Wisconsinan...
These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and... -
6-m resolution gray-scale image of shaded-relief multibeam bathymetry in...
The U.S. Geological Survey has conducted geologic mapping to characterize the sea floor offshore of Massachusetts. The mapping was carried out using a Simrad Subsea EM 1000... -
Digital Shoreline Analysis System version 4.3 transects and short-term...
Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline and... -
Digital Shoreline Analysis System version 4.3 shoreline intersection points...
Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline and... -
Sample and video stations located in the Stellwagen Bank National Marine...
This data set contains point locations for data stations in the Stellwagen Bank National Marine Sanctuary Region off Boston, Massachusetts, an area of approximately 1100... -
Airborne geophysical survey: Massachusetts Coop '68, Massachusetts
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude,... -
Physiographic Zones of the Sea Floor from Nahant to Northern Cape Cod Bay,...
These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and... -
6-m resolution grid of multibeam bathymetry in western Massachusetts Bay map...
The U.S. Geological Survey has conducted geologic mapping to characterize the sea floor offshore of Massachusetts. The mapping was carried out using a Simrad Subsea EM 1000... -
Cultural Landscapes Dataset: Existing Conditions for the Hartwell Area,...
The raster data was created as an output of the Cultural Landscapes Inventory (CLI) for the Hartwell Area, Minute Man National Historical Park, Concord and Lincoln,...