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#1 Federal

MGL1109backutm.tif: Multibeam backscatter data collected by the U.S. Geological Survey in the Gulf of Alaska in 2011 during cruise MGL1109, 100-meter gridded data in GeoTIFF format, UTM 6 coordinates

Organization: Department of the Interior
Dataset Last Updated: August 25, 2022 at 12:00 AM

This raster dataset represents approximately 69,060 square kilometers of Simrad EM122 multibeam-backscatter data collected in the Gulf of Alaska during U.S. Geological Survey (USGS) cruise MGL1109...

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Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 09:38 PM

#2 Federal

GeoTIFF image of the backscatter intensity of the sea floor of the Historic Area Remediation Site in 2000 (3-m resolution, Mercator, WGS 84)

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

Surveys of the bathymetry and backscatter intensity of the sea floor of the Historic Area Remediation Site (HARS), offshore of New York and New Jersey, were carried out in 1996, 1998, and 2000...

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Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 08:35 PM

#3 Federal

6-m resolution image of shaded relief multibeam bathymetry in western Massachusetts Bay map Quadrangle 2, pseudo-colored by backscatter intensity (Q2_BACKPC.TIF)

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

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 Multibeam Echo Sounder...

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Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 10:48 PM

#4 Federal

6-m resolution image of shaded relief multibeam bathymetry in western Massachusetts Bay map Quadrangle 3, pseudo-colored by backscatter intensity (Q3_BACKPC.TIF)

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

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 Multibeam Echo Sounder...

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Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 10:15 PM

#5 Federal

MGL1111backsgeo.sd: Multibeam backscatter data collected by the U.S. Geological Survey in the Bering Sea in 2011 during cruise MGL1111, 100-meter gridded data in Fledermaus digital terrain format, geographic coordinate system

Organization: Department of the Interior
Dataset Last Updated: August 25, 2022 at 12:00 AM

This raster dataset represents approximately 49,581 square kilometers of Simrad EM122 multibeam backscatter-intensity data collected in the Bering Sea during U.S. Geological Survey (USGS) cruise...

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Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 08:55 PM

#6 Federal

GeoTIFF image the shaded-relief bathymetry, pseudocolored by backscatter intensity, of the sea floor of the Atlantic Beach artificial reef (2-m resolution, Mercator, WGS 84)

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

The Atlantic Beach artificial reef, located on the sea floor 3 nautical miles south of Atlantic Beach, New York in about 20 meters water depth, was built to create habitat for marine life. The...

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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 10:11 PM

#7 Federal

4-m Image of the Northern Half of the Backscatter Intensity Mosaic of the Sea Floor off Northeastern Cape Cod from USGS Cruise 98015 (CAPENORTHMOS_GEO4M_WGS84.TIF, Geographic, WGS84)

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

This data set includes backscatter intensity of the sea floor offshore of northern Cape Cod, Massachusetts. The data were collected with a multibeam sea floor mapping system during USGS survey...

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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:05 PM

#8 Federal

MGL1109backsutm.sd: Multibeam backscatter data collected by the U.S. Geological Survey in the Gulf of Alaska in 2011 during cruise MGL1109, 100-meter gridded data in Fledermaus digital terrain format, UTM 6 coordinates

Organization: Department of the Interior
Dataset Last Updated: August 25, 2022 at 12:00 AM

This raster dataset represents approximately 69,060 square kilometers of Simrad EM122 multibeam-backscatter data collected in the Gulf of Alaska during U.S. Geological Survey (USGS) cruise MGL1109...

XML
XML

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:58 PM

#9 Federal

6-m resolution gray-scale image of multibeam backscatter intensity in western Massachusetts Bay map Quadrangle 3 (Q3_BACKGS.TIF)

Organization: Department of the Interior
Dataset Last Updated: November 11, 2021 at 12:00 AM

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 Multibeam Echo Sounder...

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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:31 PM

#10 Federal

4-m Image of the Southern Half of the Backscatter Intensity Mosaic of the Sea Floor off Eastern Cape Cod from USGS Cruise 98015 (CAPESOUTHMOS_GEO4M_WGS84.TIF, Geographic, WGS84)

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

This data set includes backscatter intensity of the sea floor offshore of eastern Cape Cod, Massachusetts. The data were collected with a multibeam sea floor mapping system during USGS survey...

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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: November 07, 2026 at 07:39 AM

#11 Federal

NCCOS Mapping: Collaborative Benthic Habitat Mapping in the Nearshore Waters of the Great Lakes Basin: Benthic habitat information and maps at Madeline Island, Lake Superior from 2007-10-12 to 2025-05-30

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: January 08, 2026 at 12:00 AM

This dataset includes environmental data compiled from primary and secondary data sources, and derived information describing and predicting benthic habitats around Madeline Island and Gull Island...

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: October 27, 2026 at 12:12 AM

#12 Federal

6-m resolution gray-scale image of multibeam backscatter intensity in western Massachusetts Bay map Quadrangle 2 (Q2_BACKGS.TIF)

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

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 Multibeam Echo Sounder...

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XML

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:18 PM

#13 Federal

GeoTIFF image of the backscatter intensity of the sea floor of the Historic Area Remediation Site in 1996 (3-m resolution, Mercator, WGS 84)

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

Surveys of the bathymetry and backscatter intensity of the sea floor of the Historic Area Remediation Site (HARS), offshore of New York and New Jersey, were carried out in 1996, 1998, and 2000...

XML
XML

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 07:59 PM

#14 Federal

GeoTIFF image of the backscatter intensity of the sea floor of the Atlantic Beach artificial reef (2-m resolution, Mercator, WGS 84)

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

The Atlantic Beach artificial reef, located on the sea floor 3 nautical miles south of Atlantic Beach, New York in about 20 meters water depth, was built to create habitat for marine life. The...

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XML

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:29 PM

#15 Federal

MGL1109backsgeo.sd: Multibeam backscatter data collected by the U.S. Geological Survey in the Gulf of Alaska in 2011 during cruise MGL1109, 100-meter gridded data in Fledermaus digital terrain format, geographic coordinate system

Organization: Department of the Interior
Dataset Last Updated: August 25, 2022 at 12:00 AM

This raster dataset represents approximately 69,060 square kilometers of Simrad EM122 multibeam-backscatter data collected in the Gulf of Alaska during U.S. Geological Survey (USGS) cruise MGL1109...

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XML

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:37 PM

#16 Federal

Station, sample, video, and photo locations in the New York Bight from four U.S. Geological Survey cruises (1996-004-FA, 1998-020-FA, 1999-006-FA, 2000-013-FA) surveyed from 1996 to 2000

Organization: Department of the Interior
Dataset Last Updated: November 11, 2021 at 12:00 AM

This data set shows the locations of stations, samples, photographs and videos collected by the U.S. Geological Survey in the New York Bight on four research cruises carried out between 1996 and 2000.

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Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:39 PM

#17 Federal

6-m resolution image of shaded relief multibeam bathymetry in western Massachusetts Bay map Quadrangle 1, pseudo-colored by backscatter intensity (Q1_BACKPC.TIF)

Organization: Department of the Interior
Dataset Last Updated: November 11, 2021 at 12:00 AM

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 Multibeam Echo Sounder...

XML
XML

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

#18 Federal

GeoTIFF image of the shaded-relief bathymetry of the sea floor, colored by backscatter intensity, of the Historic Area Remediation Site in 1996 (3-m resolution, Mercator, WGS 84)

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

Surveys of the bathymetry and backscatter intensity of the sea floor of the Historic Area Remediation Site (HARS), offshore of New York and New Jersey, were carried out in 1996, 1998, and 2000...

XML
XML

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:35 PM

#19 Federal

GeoTIFF image of the backscatter intensity of the sea floor offshore of Fire Island Inlet, New York, in 1998 (3-m resolution, Mercator, WGS 84)

Organization: Department of the Interior
Dataset Last Updated: August 10, 2020 at 12:00 AM

Surveys of the bathymetry and backscatter intensity of the sea floor south of Long Island, New York, were carried out in November 1998 using a Simrad EM1000 multibeam echosounder mounted on the...

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Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:45 PM

#20 Federal

GeoTIFF image of shaded-relief bathymetry, colored by backscatter intensity, of the sea floor offshore of Moriches Inlet, New York, in 1998 (3-m resolution, Mercator, WGS 84)

Organization: Department of the Interior
Dataset Last Updated: August 10, 2020 at 12:00 AM

Surveys of the bathymetry and backscatter intensity of the sea floor south of Long Island, New York, were carried out in November 1998 using a Simrad EM1000 multibeam echosounder mounted on the...

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Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:14 PM

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MGL1109backutm.tif: Multibeam backscatter data collected by the U.S. Geological Survey in the Gulf of Alaska in 2011 during cruise MGL1109, 100-meter gridded data in GeoTIFF format, UTM 6 coordinates

GeoTIFF image of the backscatter intensity of the sea floor of the Historic Area Remediation Site in 2000 (3-m resolution, Mercator, WGS 84)

6-m resolution image of shaded relief multibeam bathymetry in western Massachusetts Bay map Quadrangle 2, pseudo-colored by backscatter intensity (Q2_BACKPC.TIF)

6-m resolution image of shaded relief multibeam bathymetry in western Massachusetts Bay map Quadrangle 3, pseudo-colored by backscatter intensity (Q3_BACKPC.TIF)

MGL1111backsgeo.sd: Multibeam backscatter data collected by the U.S. Geological Survey in the Bering Sea in 2011 during cruise MGL1111, 100-meter gridded data in Fledermaus digital terrain format, geographic coordinate system

GeoTIFF image the shaded-relief bathymetry, pseudocolored by backscatter intensity, of the sea floor of the Atlantic Beach artificial reef (2-m resolution, Mercator, WGS 84)

4-m Image of the Northern Half of the Backscatter Intensity Mosaic of the Sea Floor off Northeastern Cape Cod from USGS Cruise 98015 (CAPENORTHMOS_GEO4M_WGS84.TIF, Geographic, WGS84)

MGL1109backsutm.sd: Multibeam backscatter data collected by the U.S. Geological Survey in the Gulf of Alaska in 2011 during cruise MGL1109, 100-meter gridded data in Fledermaus digital terrain format, UTM 6 coordinates

6-m resolution gray-scale image of multibeam backscatter intensity in western Massachusetts Bay map Quadrangle 3 (Q3_BACKGS.TIF)

4-m Image of the Southern Half of the Backscatter Intensity Mosaic of the Sea Floor off Eastern Cape Cod from USGS Cruise 98015 (CAPESOUTHMOS_GEO4M_WGS84.TIF, Geographic, WGS84)

NCCOS Mapping: Collaborative Benthic Habitat Mapping in the Nearshore Waters of the Great Lakes Basin: Benthic habitat information and maps at Madeline Island, Lake Superior from 2007-10-12 to 2025-05-30

6-m resolution gray-scale image of multibeam backscatter intensity in western Massachusetts Bay map Quadrangle 2 (Q2_BACKGS.TIF)

GeoTIFF image of the backscatter intensity of the sea floor of the Historic Area Remediation Site in 1996 (3-m resolution, Mercator, WGS 84)

GeoTIFF image of the backscatter intensity of the sea floor of the Atlantic Beach artificial reef (2-m resolution, Mercator, WGS 84)

MGL1109backsgeo.sd: Multibeam backscatter data collected by the U.S. Geological Survey in the Gulf of Alaska in 2011 during cruise MGL1109, 100-meter gridded data in Fledermaus digital terrain format, geographic coordinate system

Station, sample, video, and photo locations in the New York Bight from four U.S. Geological Survey cruises (1996-004-FA, 1998-020-FA, 1999-006-FA, 2000-013-FA) surveyed from 1996 to 2000

6-m resolution image of shaded relief multibeam bathymetry in western Massachusetts Bay map Quadrangle 1, pseudo-colored by backscatter intensity (Q1_BACKPC.TIF)

GeoTIFF image of the shaded-relief bathymetry of the sea floor, colored by backscatter intensity, of the Historic Area Remediation Site in 1996 (3-m resolution, Mercator, WGS 84)

GeoTIFF image of the backscatter intensity of the sea floor offshore of Fire Island Inlet, New York, in 1998 (3-m resolution, Mercator, WGS 84)

GeoTIFF image of shaded-relief bathymetry, colored by backscatter intensity, of the sea floor offshore of Moriches Inlet, New York, in 1998 (3-m resolution, Mercator, WGS 84)