Catalog - Data.gov

#1 Federal

Buzzards Bay: continuous bathymetry and topography terrain model of the Massachusetts coastal zone and continental shelf, (32-bit GeoTIFF, UTM 19 NAD 83, NAVD 88 vertical datum).

Organization: Department of the Interior
Dataset Last Updated: August 07, 2020 at 12:00 AM

Integrated terrain models covering 16,357 square kilometers of the Massachusetts coastal zone and offshore waters were built to provide a continuous elevation and bathymetry terrain model for...

xml
xml

Search relevance: 1.00 | Views last month: 23 | Catalog Last Checked: May 05, 2026 at 09:38 PM

#2 Federal

Vineyard and Nantucket Sounds, southern coast of Cape Cod including Martha's Vineyard and Nantucket: continuous bathymetry and topography terrain model of the Massachusetts coastal zone and continental shelf, (32-bit GeoTIFF, UTM 19 NAD 83, NAVD 88 vertical datum).

Organization: Department of the Interior
Dataset Last Updated: August 07, 2020 at 12:00 AM

Integrated terrain models covering 16,357 square kilometers of the Massachusetts coastal zone and offshore waters were built to provide a continuous elevation and bathymetry terrain model for...

xml
xml

Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: May 05, 2026 at 07:27 PM

#3 Federal

Location of bottom still imagery along with images collected during field activity 2011-015-FA by the U.S. Geological Survey and Massachusetts Office of Coastal Zone Management offshore of Massachusetts around Cape Cod and the Islands in September 2011 (JPEG images, point shapefile, and CSV file)

Organization: Department of the Interior
Dataset Last Updated: July 12, 2024 at 12:00 AM

Accurate data and maps of sea-floor geology are important first steps toward protecting habitat, delineating marine resources, and assessing environmental changes due to natural or human effects....

xml
xml

Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: May 05, 2026 at 07:57 PM

#4 Federal

Massachusetts Bay and adjacent land: continuous bathymetry and topography terrain model of the Massachusetts coastal zone and continental shelf, (32-bit GeoTIFF, UTM 19 NAD 83, NAVD 88 vertical datum).

Organization: Department of the Interior
Dataset Last Updated: August 07, 2020 at 12:00 AM

Integrated terrain models covering 16,357 square kilometers of the Massachusetts coastal zone and offshore waters were built to provide a continuous elevation and bathymetry terrain model for...

xml
xml

Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: May 05, 2026 at 09:01 PM

#5 Federal

Survey lines of the sidescan sonar system of data collected in Boston Harbor and Approaches (surveylines_sss)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

These data are the trackline from the high-resolution acoustic backscatter measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of...

xml
xml

Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: May 05, 2026 at 09:34 PM

#6 Federal

Interpretation of sea floor geologic units for Vineyard and western Nantucket Sounds, Massachusetts (polygon shapefile; Geographic, WGS 84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Vineyard and western Nantucket Sounds, Massachusetts. These maps were derived from interpretations of...

xml
xml

Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: May 05, 2026 at 08:43 PM

#7 Federal

Physiographic Zones of the Sea Floor for Vineyard and western Nantucket Sounds, Massachusetts (polygon shapefile, Geographic, WGS84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Vineyard and western Nantucket Sounds, Massachusetts. These maps were derived from interpretations of...

xml
xml

Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 07:43 PM

#8 Federal

Multibeam backscatter data collected during USGS Field Activity 2021-004-FA, using a dual-head Teledyne SeaBat T20-P multibeam echo sounder (8-bit GeoTIFF, UTM Zone 19N, WGS84, 1-m resolution)

Organization: Department of the Interior
Dataset Last Updated: November 14, 2023 at 12:00 AM

The U.S. Geological Survey (USGS) Woods Hole Coastal and Marine Science Center (WHCMSC) completed a bathymetric and shallow seismic-reflection survey during the period of June 9, 2021 to June 24,...

xml
xml

Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 09:00 PM

#9 Federal

Elevation of the top of glacial deposits beneath Buzzards Bay, Massachusetts (Urelev, Esri binary grid; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Buzzards Bay, Massachusetts. These maps were derived from interpretations of seismic-reflection profiles,...

xml
xml

Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 09:21 PM

#10 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
Dataset Last Updated: March 18, 2024 at 12:00 AM

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: 11 | Catalog Last Checked: May 05, 2026 at 10:06 PM

#11 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
Dataset Last Updated: March 18, 2024 at 12:00 AM

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: 11 | Catalog Last Checked: May 05, 2026 at 08:06 PM

#12 Federal

Location and analysis of sediment samples collected during field activity 2011-015-FA by the U.S. Geological Survey and Massachusetts Office of Coastal Zone Management offshore of Massachusetts around Cape Cod and the Islands in September 2011 (point shapefile and CSV file)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

Accurate data and maps of sea-floor geology are important first steps toward protecting habitat, delineating marine resources, and assessing environmental changes due to natural or human effects....

xml
xml

Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 08:12 PM

#13 Federal

Multibeam Bathymetry 2 meter/pixel of Boston Harbor and Approaches (bh_2mmbbath)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

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 bathymetric data...

xml
xml

Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 07:47 PM

#14 Federal

Hillshade of Multibeam Bathymetry 2 meter/pixel of Boston Harbor and Approaches (bh_2mmbhsf)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

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 bathymetric data...

xml
xml

Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 09:18 PM

#15 Federal

Location of bottom still imagery along with images collected during field activity 2012-035-FA by the U.S. Geological Survey and Massachusetts Office of Coastal Zone Management in Ipswich Bay and Massachusetts Bay, Massachusetts, in August 2012 (JPEG images, point shapefile, and CSV file)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

Accurate data and maps of sea-floor geology are important first steps toward protecting habitat, delineating marine resources, and assessing environmental changes due to natural or human effects....

xml
xml

Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 07:54 PM

#16 Federal

Buzzards Bay: Polygon boundaries for source data of a continuous bathymetry and topography terrain model of the Massachusetts coastal zone and continental shelf: (Esri polygon shapefile, Geographic, NAD 83).

Organization: Department of the Interior
Dataset Last Updated: August 07, 2020 at 12:00 AM

Integrated terrain models covering 16,357 square kilometers of the Massachusetts coastal zone and offshore waters were built to provide a continuous elevation and bathymetry terrain model for...

xml
xml

Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 08:45 PM

#17 Federal

40-m Hillshaded relief image produced from elevation of the late-Wisconsinan regressive unconformity beneath Buzzards Bay, Massachusetts (GeoTIFF Image; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Buzzards Bay, Massachusetts. These maps were derived from interpretations of seismic-reflection profiles,...

xml
xml

Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 08:12 PM

#18 Federal

Location and grain-size analysis results of sediment samples collected in Nantucket Sound, Massachusetts, in May 2016 and May 2017 by the U.S. Geological Survey during field activities 2016-005-FA and 2017-022-FA (simplified point shapefile and CSV file)

Organization: Department of the Interior
Dataset Last Updated: November 16, 2020 at 12:00 AM

Two marine geological surveys were conducted in Nantucket Sound, Massachusetts, in May 2016 and May 2017 by the U.S. Geological Survey (USGS) as part of an agreement with the Massachusetts Office...

xml
xml

Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 07:36 PM

#19 Federal

Interpretation of sea floor geologic units for Buzzards Bay, Massachusetts (BuzzardsBay_surfgeol, polygon shapefile; Geographic WGS 84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Buzzards Bay, Massachusetts. These maps were derived from interpretations of seismic-reflection profiles,...

xml
xml

Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 07:54 PM

#20 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
Dataset Last Updated: March 18, 2024 at 12:00 AM

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: 9 | Catalog Last Checked: May 05, 2026 at 07:29 PM

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