Catalog - Data.gov

#1 Federal

30-m Topography and bathymetry grid produced from swath interferometric, multibeam, and lidar datasets (navd_bath_30m Esri binary grid, UTM Zone 19N, WGS84)

Organization: Department of the Interior
Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

xml
xml

Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03

#2 Federal

H03780: NOS Hydrographic Survey

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Updated: 1900-01-01T00:00:00.000+00:00

The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...

Search relevance: 1.00 | Views last month: 1 | Published on: 2026-01-23

#3 Federal

Sediment Texture Units of the Sea Floor from Nahant to Northern Cape Cod Bay, Massachusetts (NAH_CCB_sedcover polygon shapefile, Geographic, WGS84)

Organization: Department of the Interior
Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

xml
xml

Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03

#4 Federal

Isochron of Holocene fluvial and estuarine (Qfe) sediment thickness beneath the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (qfeiso Esri binary grid; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

xml
xml

Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03

#5 Federal

Isochron of Holocene marine (Qmn and Qmd) sediment thickness on the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (qmiso Esri binary grid; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

xml
xml

Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03

#6 Federal

Physiographic Zones of the Sea Floor from Nahant to Northern Cape Cod Bay, Massachusetts (NAH_CCB_Pzones polygon shapefile, Geographic WGS 84)

Organization: Department of the Interior
Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

xml
xml

Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03

#7 Federal

10-m backscatter mosaic produced from backscatter intensity data from sidescan sonar and multibeam datasets (BS_composite_10m.tif GeoTIFF Image; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

xml
xml

Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03

#8 Federal

Hillshaded relief image derived from elevations of the late-Wisconsinan regressive unconformity beneath the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (Urelevhs GeoTIFF Image; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

xml
xml

Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03

#9 Federal

Elevation of the late-Wisconsinan regressive unconformity beneath the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (urelev Esri binary grid; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

xml
xml

Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03

#10 Federal

H09151: NOS Hydrographic Survey , Cohasset, Massachusetts, 1970-09-04

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Updated: 1970-09-04T00:00:00.000+00:00

The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...

Search relevance: 1.00 | Views last month: 0 | Published on: 2026-01-27

#11 Federal

Interpretation of sea-floor geologic units on the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (Nahant_CCB_surfgeol polygon shapefile; Geographic WGS 84)

Organization: Department of the Interior
Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

xml
xml

Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03

#12 Federal

Hillshaded relief image derived from elevations of the Holocene transgressive unconformity beneath the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (Utelevhs GeoTIFF Image; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

xml
xml

Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03

#13 Federal

30-m Hillshaded relief image produced from swath interferometric, multibeam, and lidar datasets (navd_bath_30m.tif GeoTIFF Image; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

xml
xml

Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03

#14 Federal

Elevation of the Holocene transgressive unconformity beneath the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (utelev Esri binary grid; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

xml
xml

Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03

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