74 datasets found
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Federal
Contoured Bathymetry for Lake Pontchartrain, Louisiana (PONTCONT)
Department of the Interior —
This is the contoured bathymetry for Lake Pontchartrain created for USGS Professional Paper 1634 by Laura Hayes using Vertical Mapper. -
Federal
5 meter bathymetric contours derived from data collected during U.S. Geological Survey Geophysical Surveys of Bear Lake, Utah-Idaho, September, 2002 cruise 02031(02031_BATHY_5M)
Department of the Interior —
Bear Lake is a tectonic lake that has existed for at least several hundred thousand years. The lake basin is a relatively simple half graben, a spoon-shaped... -
Federal
Ship Tracklines for Seismic-Reflection Data Collected in Eastern Rhode Island Sound in 1975 (A75_6LINES2.SHP)
Department of the Interior —
During 1975, the U.S. Geological Survey (USGS) conducted a seismic-reflection survey utilizing Uniboom seismics in eastern Rhode Island Sound aboard the Research... -
Federal
Video transects of the sea floor collected by the U.S. Geological Survey on Stellwagen Bank during three surveys aboard the R/V Auk, September 2020 to August 2021
Department of the Interior —
These data are a part of the effort to map geologic substrates of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts. The overall goal is... -
Federal
10 meter bathymetric contours of the Duxbury-Hull MA Survey Area (DH_BATHCNTR_10m shapefile, Geographic, WGS84)
Department of the Interior —
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... -
Federal
Video transects of the sea floor on Stellwagen Bank during U.S. Geological Survey field activity 2017-044-FA, aboard the R/V Auk, September 12-14, 2017
Department of the Interior —
This field activity is part of the effort to map geologic substrates of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts. The overall... -
Federal
Tracklines of a multibeam survey of the sea floor offshore of Shinnecock Inlet, New York, in 1998 (polyline shapefile, geographic, WGS 84)
Department of the Interior —
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... -
Federal
Survey tracklines of chirp subbottom data collected by the U.S. Geological Survey in Moultonborough Bay, Lake Winnipesaukee, New Hampshire in 2005 (Geographic, WGS 84, Esri polyline shapefile, CHIRP_TRK.SHP)
Department of the Interior —
In freshwater bodies of New Hampshire, the most problematic aquatic invasive plant species is Myriophyllum heterophyllum or variable leaf water-milfoil. Once... -
Federal
Survey tracklines along which bathymetric data were collected with a SEA Ltd., SWATHplus-M interferometric sonar offshore of Massachusetts within Vineyard Sound by the U.S. Geological Survey in 2009, 2010, and 2011 (VS_BATHTYMETRYTRACKLINES, ESRI Shapefile, Geographic, WGS84).
Department of the Interior —
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... -
Federal
Trackline navigation for multi-channel seismic data collected by the U.S. Geological Survey on U.S. Atlantic Seaboard in 2014 (Geographic, WGS84, polyline shapefile 2014-011-FA_seistrk.shp)
Department of the Interior —
In summer 2014, the U.S. Geological Survey conducted a 21-day geophysical program in deep water along the Atlantic continental margin by using R/V Marcus G. Langseth... -
Federal
Survey tracklines of swath bathymetry collected by the U.S. Geological Survey in Moultonborough Bay, Lake Winnipesaukee, New Hampshire in 2005 (Geographic, WGS 84, Esri polyline shapefile, 2005-004-FA_BATHYTRK.SHP)
Department of the Interior —
In freshwater bodies of New Hampshire, the most problematic aquatic invasive plant species is Myriophyllum heterophyllum or variable leaf water-milfoil. Once... -
Federal
Survey lines along which interferometric sonar data were collected by the USGS within Red Brook Harbor, MA, 2009 (RB_BathyBackscatterTrackline.shp)
Department of the Interior —
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... -
Federal
Bathymetric Contours within the inner shelf of Long Bay, South Carolina (CON_1M, 1 meter interval: Polyline shapefile)
Department of the Interior —
In 1999, the U.S. Geological Survey (USGS), in partnership with the South Carolina Sea Grant Consortium, began a study to investigate processes affecting shoreline... -
Federal
Sidescan sonar polyline shapefile of trackline navigation files collected by the U.S. Geological Survey in the Madison Swanson and Steamboat Lumps Marine Protected Areas, Gulf of Mexico in 2000 (Geographic, WGS 84)
Department of the Interior —
The U.S. Geological Survey (USGS) mapped approximately 22 square miles of the Madison Swanson Marine Protected Area (MPA) and Steamboat Lumps MPA, which are located... -
Federal
Bathymetric depth contours at 5 meter intervals of interferometric sonar data collected offshore of Massachusetts within northern Cape Cod Bay (CCB_5MCNTR Esri Shapefile, Geographic, WGS84).
Department of the Interior —
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... -
Federal
R/V GYRE cruise G1-99-GM (99002) multi channel seismic tracklines (GOM99LMCS.SHP)
Department of the Interior —
This GIS data layer represents the tracklines along which multichannel seismic data were collected during USGS cruise G1-99-GM aboard the R/V GYRE. Seismic data were... -
Federal
Chirp sub-bottom profiler tracklines collected by the U.S. Geological Survey offshore of Fire Island, NY in 2011 (Geographic, WGS 84, Esri Polyline Shapefile)
Department of the Interior —
The U.S. Geological Survey (USGS) mapped approximately 336 square kilometers of the lower shoreface and inner-continental shelf offshore of Fire Island, New York in... -
Federal
Tracklines of a multibeam survey of the sea floor southwest of Montauk Point, New York, in 1998 (polyline shapefile, geographic, WGS 84)
Department of the Interior —
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... -
Federal
Navigation tracklines from a 2015 multibeam survey near Cross Sound, southeast Alaska, during field activity 2015-629-FA
Department of the Interior —
These metadata describe navigation tracklines from a 2015 multibeam echosounder survey near Cross Sound, southeast Alaska. Data were collected by the U.S. Geological... -
Federal
Tracklines of a multibeam survey of the Hudson Shelf Valley carried out in 1998 (polyline shapefile, geographic, WGS 84)
Department of the Interior —
The Hudson Shelf Valley is the submerged seaward extension of the ancestral Hudson River drainage system and is the largest physiographic feature on the Middle...
74 datasets found