Catalog - Data.gov

#1 Federal

Elevation of marsh units in Massachusetts salt marshes

Organization: Department of the Interior
Dataset Last Updated: April 13, 2026 at 12:00 AM

This data release contains coastal wetland synthesis products for Massachusetts, developed in collaboration with the Massachusetts Office of Coastal Zone Management. Metrics for resiliency,...

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Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: September 10, 2026 at 09:44 PM

#2 Federal

JPEG formatted images of EdgeTech SB-512i and SB-424 chirp seismic-reflection profiles collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SeismicProfiles)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

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Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 10:46 PM

#3 Federal

Bottom photographs (JPEG format) collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SEABOSS_Photos)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

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Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 09:46 PM

#4 Federal

Survey lines along which interferometric and multibeam bathymetric sonar data were collected by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration offshore of Massachusetts between Duxbury and Hull (DH_BathyTrackline shapefile, Geographic, WGS84)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

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XML

Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: September 10, 2026 at 09:59 PM

#5 Federal

Survey lines along which Klein 3000 sidescan-sonar data were collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_KleinTrackline shapefile, Geographic, WGS84)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

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XML

Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 10:06 PM

#6 Federal

Hillshaded relief produced from bathymetric data collected by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration offshore of Massachusetts between Duxbury and Hull (DH_hlshd5m, Esri binary grid, UTM Zone 19, WGS84)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

XML
XML

Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 09:29 PM

#7 Federal

Mean tidal range of marsh units in Massachusetts salt marshes

Organization: Department of the Interior
Dataset Last Updated: April 13, 2026 at 12:00 AM

This data release contains coastal wetland synthesis products for Massachusetts, developed in collaboration with the Massachusetts Office of Coastal Zone Management. Metrics for resiliency,...

XML
XML

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 10:30 PM

#8 Federal

Bathymetric data collected by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration offshore of Massachusetts between Duxbury and Hull (DH_bathy5m, Esri binary grid, UTM Zone 19, WGS84)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

XML
XML

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 08:36 PM

#9 Federal

Locations and analysis of sediment samples collected in the Duxbury to Hull Massachusetts survey area (DH_SedimentSamples shapefile, Geographic, WGS84)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

XML
XML

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 10:31 PM

#10 Federal

Text files of the navigation logged with Microsoft HyperTerminal during sampling survey 07003 conducted aboard the R/V Connecticut by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SAMPLING_NAV)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

XML
XML

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:27 PM

#11 Federal

Unvegetated to vegetated ratio of marsh units in Massachusetts salt marshes

Organization: Department of the Interior
Dataset Last Updated: April 13, 2026 at 12:00 AM

This data release contains coastal wetland synthesis products for Massachusetts, developed in collaboration with the Massachusetts Office of Coastal Zone Management. Metrics for resiliency,...

XML
XML

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:10 PM

#12 Federal

Text files of the navigation logged with HYPACK Software during surveys 06012 and 07001 conducted by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_HYPACK_NAV)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

XML
XML

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:44 PM

#13 Federal

SEG-Y format of EdgeTech SB-512i and SB-424 chirp seismic-reflection profiles collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SeismicProfiles)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

XML
XML

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:07 PM

#14 Federal

ASCII grid of bathymetry data collected by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration offshore of Massachusetts between Duxbury and Hull with data gaps (DH_bathy_wgaps.asc, ARC/INFO ASCII GRID, UTM Zone 19, WGS84)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

XML
XML

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:03 PM

#15 Federal

Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_USGS_backscatter1m, UTM Zone 19N, GeoTIFF)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

XML
XML

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:36 PM

#16 Federal

Composite sidescan-sonar mosaic collected by the National Oceanic and Atmospheric Administration offshore of Massachusetts in the approaches to Boston Harbor near Hull (DH_NOAA_backscatter1m, UTM Zone 19N, GeoTIFF)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

XML
XML

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:20 PM

#17 Federal

10 meter bathymetric contours of the Duxbury-Hull MA Survey Area (DH_BATHCNTR_10m shapefile, Geographic, WGS84)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

XML
XML

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:49 PM

#18 Federal

Depth-colored hillshade image of bathymetry data collected by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration offshore of Massachusetts between Duxbury and Hull with data gaps (DH_bathyhlshd_wgaps, Depth-colored Hillshade GeoTIFF, UTM Zone 19, WGS84)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

XML
XML

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:57 PM

#19 Federal

Shot point navigation at even 500 shot intervals for EdgeTech SB-512i and SB-424 chirp seismic-reflection data collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SeismicShot_500 shapefile, Geographic, WGS84)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

XML
XML

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:05 PM

#20 Federal

Unique shot point navigation for EdgeTech SB-512i and SB-424 chirp seismic-reflection data collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SeismicShot_unique shapefile, Geographic, WGS84)

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

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

XML
XML

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:26 PM

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Elevation of marsh units in Massachusetts salt marshes

JPEG formatted images of EdgeTech SB-512i and SB-424 chirp seismic-reflection profiles collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SeismicProfiles)

Bottom photographs (JPEG format) collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SEABOSS_Photos)

Survey lines along which interferometric and multibeam bathymetric sonar data were collected by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration offshore of Massachusetts between Duxbury and Hull (DH_BathyTrackline shapefile, Geographic, WGS84)

Survey lines along which Klein 3000 sidescan-sonar data were collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_KleinTrackline shapefile, Geographic, WGS84)

Hillshaded relief produced from bathymetric data collected by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration offshore of Massachusetts between Duxbury and Hull (DH_hlshd5m, Esri binary grid, UTM Zone 19, WGS84)

Mean tidal range of marsh units in Massachusetts salt marshes

Bathymetric data collected by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration offshore of Massachusetts between Duxbury and Hull (DH_bathy5m, Esri binary grid, UTM Zone 19, WGS84)

Locations and analysis of sediment samples collected in the Duxbury to Hull Massachusetts survey area (DH_SedimentSamples shapefile, Geographic, WGS84)

Text files of the navigation logged with Microsoft HyperTerminal during sampling survey 07003 conducted aboard the R/V Connecticut by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SAMPLING_NAV)

Unvegetated to vegetated ratio of marsh units in Massachusetts salt marshes

Text files of the navigation logged with HYPACK Software during surveys 06012 and 07001 conducted by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_HYPACK_NAV)

SEG-Y format of EdgeTech SB-512i and SB-424 chirp seismic-reflection profiles collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SeismicProfiles)

ASCII grid of bathymetry data collected by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration offshore of Massachusetts between Duxbury and Hull with data gaps (DH_bathy_wgaps.asc, ARC/INFO ASCII GRID, UTM Zone 19, WGS84)

Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_USGS_backscatter1m, UTM Zone 19N, GeoTIFF)

Composite sidescan-sonar mosaic collected by the National Oceanic and Atmospheric Administration offshore of Massachusetts in the approaches to Boston Harbor near Hull (DH_NOAA_backscatter1m, UTM Zone 19N, GeoTIFF)

10 meter bathymetric contours of the Duxbury-Hull MA Survey Area (DH_BATHCNTR_10m shapefile, Geographic, WGS84)

Depth-colored hillshade image of bathymetry data collected by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration offshore of Massachusetts between Duxbury and Hull with data gaps (DH_bathyhlshd_wgaps, Depth-colored Hillshade GeoTIFF, UTM Zone 19, WGS84)

Shot point navigation at even 500 shot intervals for EdgeTech SB-512i and SB-424 chirp seismic-reflection data collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SeismicShot_500 shapefile, Geographic, WGS84)

Unique shot point navigation for EdgeTech SB-512i and SB-424 chirp seismic-reflection data collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SeismicShot_unique shapefile, Geographic, WGS84)