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Found 3 dataset(s) matching "Annisquam Harbor".

Nahant_NH_sedcover: Sediment Texture Units of the Sea Floor from Nahant to Salisbury, Massachusetts (polygon shapefile, Geographic, WGS84)
- Organization: Department of the Interior
- Updated: 20240318 | Harvested: August 29, 2025 at 07:39 PM
These data are qualitatively derived interpretive polygon shapefiles defining sediment type and distribution, and physiographic zones of the sea floor from Nahant to Salisbury, Massachusetts. Many...
- xml
- xml
Physiographic Zones of the Sea Floor from Nahant to Salisbury, Massachusetts (polygon shapefile, Geographic WGS 84, Nahant_NH_Pzones)
- Organization: Department of the Interior
- Updated: 20240318 | Harvested: July 18, 2025 at 09:30 AM
These data are qualitatively derived interpretive polygon shapefiles defining sediment type and distribution, and physiographic zones of the sea floor from Nahant to Salisbury, Massachusetts. Many...
- xml
- xml
Shorelines used to calculate shoreline change statistics from the North Shore B coastal region from the Annisquam River in Gloucester to the west side of Deer Island in Boston Harbor (NorthShoreB_shorelines.shp)
- Organization: Department of the Interior
- Updated: 20211116 | Harvested: July 16, 2025 at 06:53 AM
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 floodplain management. The...
- xml
- xml

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