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GIS Data Catalog
Below is a list of data available on the USGS Coastal and Marine Geology Program's Long Island Sound Internet Map Server. Data have been compiled from various published sources and most of the data are currently available on-line for viewing and download. Many data layers for the Long Island Sound Internet Map Server have been compiled by outside organizations contributing to USGS publications. Though some images have been converted to geographic for compilation within the Internet Map Server (IMS), the published images may be available in their original, published projected coordinate system. The specific projection and datum information of the published image is noted in the data layer description. The GIS data publications are currently available on-line for user access and downloads.
Please select a data category from the list below and expand the listing to review the available data layers.
Please Note: Metadata files will open in a new browser window.
DATA CATEGORIES:
Basemap: U.S. cities, U.S. urban areas, federal lands, water features, coastlines ...
| Data Layer Name and Description |
Files |
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U.S. cities (preview) - Cities and towns in the United States. This data layer has been clipped to the extent of the map view. The zip file contains the complete dataset. Type: feature - point shapefile. (Source: citiesx020 - USGS/National Atlas)
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metadata
zip file
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U.S. urban areas (preview) - U.S. urban areas. This data layer has been clipped to the extent of the map view. The zip file contains the complete dataset. Type: feature - polygon shapefile. (Source: urbanap020 - USGS/National Atlas)
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metadata
lis1992.zip
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| Water Features - lines (preview) - Represents the water feature lines (e.g., aqueducts, canals, dams, intercoastal waterways, rivers, streams, and shoreline) of the United States. This data layer has been clipped to the extent of the map view. The zip file contains the complete dataset. Type: feature - polygon shapefile. (Source: hydrogl020 - USGS/National Atlas) |
metadata
zip file
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| Water Features - areas (preview) - Represents the water feature areas (e.g., bays, estuaries, glaciers, lakes, and swamps) of the United States. This data layer has been clipped to the extent of the map view. The zip file contains the complete dataset. Type: feature - polygon shapefile. (Source: hydrogp020 - USGS/National Atlas) |
metadata
zip file
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| State bounds - internal U.S. state boundaries. This data layer has been clipped to the extent of the map view. The zip file contains the complete dataset. Type: feature - polyline shapefile. (Source: USGS/CMGP) |
metadata
zip file
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| NOS80k (preview) - Medium Resolution Digital Vector U.S. Shoreline shapefile. This data layer has been clipped to the extent of the map view. The zip file contains the complete NOS80k data layer for the 48 contiguous United States. Type: feature - polygon shapefile. (Source: NOAA) |
metadata
zip file
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Bathymetry Contours ...
Bathymetry - Shaded Relief Imagery ...
| Data Layer Name and Description |
Files |
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NOAA H11043 bathymetry (preview) - A 3 m color-encoded hill-shaded relief image of the National Oceanic and Atmospheric Administration (NOAA) multibeam bathymetry from the Long Island Sound off Branford, Connecticut survey H11043. Type: GeoTIFF image. (Source: USGS/CMGP) (OFR 2005-1145 / Data Catalog)
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metadata
zip file
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NOAA H11044 bathymetry (preview) - A 5 m color-encoded hill-shaded relief image of the National Oceanic and Atmospheric Administration (NOAA) multibeam bathymetry from the Long Island Sound off Milford, Connecticut survey H11044. Type: GeoTIFF image. (Source: USGS/CMGP) (OFR 2005-1145 / Data Catalog)
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metadata
zip file
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NOAA H11045 bathymetry (preview) - A 5 m color-encoded hill-shaded relief image of the National Oceanic and Atmospheric Administration (NOAA) multibeam bathymetry from the Long Island Sound off Bridgeport, Connecticut survey H11045. Type: GeoTIFF image. (Source: USGS/CMGP) (OFR 2005-1145 / Data Catalog)
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metadata
zip file
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| NOAA H11250 bathymetry (preview) - A 2 m color-encoded hill-shaded relief image of the multibeam bathymetry acquired during National Oceanic and Atmospheric Administration (NOAA) survey H11250 in the vicinity of the Race, Eastern Long Island Sound. Type: GeoTIFF image. (Source: USGS/CMGP) (OFR 2007-1012 / Data Catalog) |
metadata
zip file
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| NOAA H11252 bathymetry (preview) - A 2 m color-encoded hill-shaded relief image of the multibeam bathymetry acquired during National Oceanic and Atmospheric Administration (NOAA) survey H11252 of Six Mile Reef in eastern Long Island Sound. Type: GeoTIFF image. (Source: USGS/CMGP) (OFR 2007-1191 / Data Catalog) |
metadata
zip file
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| NOAA H11255 bathymetry (preview) - A 2 m color-encoded hill-shaded relief image of the multibeam bathymetry acquired during National Oceanic and Atmospheric Administration (NOAA) survey H11255 in southeastern Long Island Sound. Type: GeoTIFF image. (Source: USGS/CMGP) (OFR 2006-1059 / Data Catalog) |
metadata
zip file
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| NOAA H11361 bathymetry (preview) - A 2 m color-encoded hill-shaded relief image of the multibeam bathymetry acquired during National Oceanic and Atmospheric Administration (NOAA) survey H11361 of Six Mile Reef in eastern Long Island Sound. Type: GeoTIFF image. (Source: USGS/CMGP) (OFR 2007-1191 / Data Catalog) |
metadata
zip file
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Benthic: benthic foraminiferal samples ...
| Data Layer Name and Description |
Files |
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Buzas samples - benthic foraminiferal samples collected by M.A. Buzas in 1965. Type: feature - point shapefile. (Source: Wesleyan University)
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metadata
buzas.zip
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Parker samples - benthic foraminiferal samples collected by F.L. Parker in 1952. Type: feature - point shapefile (Source: Wesleyan University)
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metadata
parker.zip
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species richness - sample locations and total number of species found at each station from Pellegrino and Hubbard (1983). Type: feature - point shapefile. (Source: University of New Haven)
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metadata
sperich.zip
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USGS9697 - USGS benthic foraminiferal samples collected during the time period 1996 - 1997. Type: feature - point shapefile. (Source: USGS/CMGP)
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metadata
usgs9697.zip
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35 common species (preview) - detailed analysis of 35 most common species found in Long Island Sound benthic communities. Type: feature - point shapefile. (Source: University of New Haven)
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metadata
benthos.zip
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Boundaries: survey areas, fed/state boundary ...
| Data Layer Name and Description |
Files |
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LIS sidescan sonar mosaic areas (preview) - Boundaries and coverage areas of eight USGS/CMGP seafloor mapping surveys conducted in the Long Island Sound Estuary between 1993 - 1997. This data layer has been clipped to the extent of the map view. The zip file contains the complete data layer indicating the location of many USGS/CMGP seafloor mapping surveys (preview). Type: feature - polygon shapefile. (Source: USGS/CMGP)
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metadata
surveys.zip
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| Fed/State boundary - Contains the Digital Offshore Cadastre, Atlantic83 - Submerged Lands Act (SLA) Boundary as defined and created by the Minerals Management Service (MMS). The zip file contains the complete boundary for the U.S. East Coast region. Type: feature - polyline shapefile. (Source: MMS). |
metadata
fedstate.zip
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| Federal Lands (preview) - U.S. National Forests and Parks, Bureau of Indian Affairs, Department of Defense, Fish and Wildlife Service and Wildlife Preserves which comprise U.S. federal lands. This data layer has been clipped to the extent of the map view. The zip file contains the complete dataset. Type: feature - polygon shapefile. (Source: fedlanp020 - USGS/National Atlas) |
metadata
fedlanp020.zip
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NOAA H11043 (preview) - Outline of the sidescan sonar and multibeam bathymetry mosaic completed during NOAA survey H11043 off Branford, Connecticut in north-central Long Island Sound. Type: feature - polygon shapefile. (Source: USGS/CMGP) (OFR 2004-1003 / Data Catalog)
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metadata
h11043_outline.zip
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| NOAA H11045 (preview) - Outline of the sidescan sonar and multibeam bathymetry mosaic completed during NOAA survey H11045 off Bridgeport, Connecticut in west-central Long Island Sound. Type: feature - polygon shapefile. (Source: USGS/CMGP, NOAA) (OFR 2005-1162 / Data Catalog) |
metadata
h11045_outline.zip
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| NOAA H11252 (preview) - Outline of the multibeam bathymetry mosaic completed during National Oceanic and Atmospheric Administration (NOAA) survey H11252 of Six Mile Reef in eastern Long Island Sound. Type: GeoTIFF image. (Source: USGS/CMGP) (OFR 2007-1191 / Data Catalog) |
metadata
zip file
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| NOAA H11361 (preview) - Outline of the multibeam bathymetry mosaic completed during National Oceanic and Atmospheric Administration (NOAA) survey H11361 of Six Mile Reef in eastern Long Island Sound. Type: GeoTIFF image. (Source: USGS/CMGP) (OFR 2007-1191 / Data Catalog) |
metadata
zip file
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Chemistry: metals concentration, Total Organic Carbon ...
Coastal vulnerability: coastal vulnerability index, geomorphology, erosion
| Data Layer Name and Description |
Files |
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Coastal Vulnerability to Sea-Level Rise (preview) - Coastal Vulnerability Index (CVI) that expresses the relative vulnerability of the coast to physical changes due to sea-level rise. Type: ARC 'e00' export (Source: USGS/CMGP) (DDS 68 - Download Data)
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metadata
atlantic.e00
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Geomorphology (preview) - Coastal Vulnerability Index (CVI) that expresses the potential of coastal erodibility of different landform types. Type: ARC 'e00' export (Source: USGS/CMGP) (DDS 68 - Download Data)
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metadata
atlantic.e00
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Erosion (preview) - Coastal Vulnerability Index (CVI) that expresses the relative vulnerability of the coast to physical changes due to sea-level rise. Type: ARC 'e00' export (Source: USGS/CMGP) (DDS 68 - Download Data)
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metadata
atlantic.e00
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Cores: CERC, MMS
Geology: sedimentary environment, post-glacial sediments ...
| Data Layer Name and Description |
Files |
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Thickness of post-glacial sediments (contours) - thickness of post-glacial sediments in Long Island Sound. Type: feature - polyline shapefile. (Source: Long Island Sound Research Center)
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metadata
pgthkl.zip
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free-air gravity - free-air gravity of Long Island and Block Island Sounds. Type: feature - polyline shapefile. (Source: Long Island Sound Research Center)
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metadata
gravity.zip
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Depth of Marine transgressive surface in Long Island Sound (preview)- depth of the marine transgressive surface in Long Island Sound. Type: feature - polyline shapefile. (Source: Long Island Sound Research Center)
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metadata
marinet.zip
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H11043 interpretation (preview) - geologic interpretation of the sidescan sonar mosaic of NOAA survey H11043 off Branford, Connecticut. Type: polygon shapefile. (Source: USGS/CMGP) (OFR 2004-1003 / Data Catalog)
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metadata
interpret.zip
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H11043 sedimentary environment (preview) - interpretation of the distribution of sedimentary environments of the sidescan sonar mosaic of NOAA survey H11043 off Branford, Connecticut. Type: polygon shapefile. (Source: USGS/CMGP) (OFR 2004-1003 / Data Catalog)
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metadata
sedenviron.zip
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H11043 texture (preview) - surficial sediment distribution interpretation of the sidescan sonar mosaic of NOAA survey H11043 off Branford, Connecticut. Type: polygon shapefile. (Source: USGS/CMGP) (OFR 2004-1003 / Data Catalog)
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metadata
texture.zip
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| H11044 interpretation (preview) - geologic interpretation of the sidescan sonar mosaic of NOAA survey H11044 in the area of west-central Long Island Sound. Type: polygon shapefile. (Source: USGS/CMGP) (OFR 2005-1018 / Data Catalog) |
metadata
h11044int.zip
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| H11044 sedimentary environment (preview) - interpretation of the distribution of sedimentary environments of the sidescan sonar mosaic of NOAA survey H11044 in the area of west-central Long Island Sound. Type: polygon shapefile. (Source: USGS/CMGP) (OFR 2005-1018 / Data Catalog) |
metadata
h11044sedenv.zip
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| H11044 texture (preview) - surficial sediment distribution interpretation of the sidescan sonar mosaic of NOAA survey H11044 in the area of west-central Long Island Sound. Type: polygon shapefile. (Source: USGS/CMGP) (OFR 2005-1018 / Data Catalog) |
metadata
h11044seddist.zip
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| H11045 interpretation (preview) - geologic interpretation of the sidescan sonar mosaic of NOAA survey H11045 off Bridgeport, Connecticut. Type: polygon shapefile. (Source: USGS/CMGP) (OFR 2005-1162 / Data Catalog) |
metadata
mosaicinterp.zip
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| H11045 sedimentary environment (preview) - interpretation of the distribution of sedimentary environments of the sidescan sonar mosaic of NOAA survey H11045 off Bridgeport, Connecticut. Type: polygon shapefile. (Source: USGS/CMGP) (OFR 2005-1162 / Data Catalog) |
metadata
sedenviron.zip
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| H11045 texture (preview) - surficial sediment distribution interpretation of the sidescan sonar mosaic of NOAA survey H11045 off Bridgeport, Connecticut. Type: polygon shapefile. (Source: USGS/CMGP) (OFR 2005-1162 / Data Catalog) |
metadata
texture.zip
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| H11250 interpretation (preview) - data layer showing the distribution of modern features interpreted from the multibeam bathymetry acquired by NOAA survey H11250 in the vicnity of the Race, Eastern Long Island Sound. Type: polygon shapefile. (Source: USGS/CMGP) (OFR 2007-1012 / Data Catalog) |
metadata
h11255g_mod.zip
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| H11250 framework geology (preview) - data layer showing the geologic deposits interpreted from the multibeam bathymetry acquired by NOAA survey H11250 in the vicnity of the Race, Eastern Long Island Sound. Type: polygon shapefile. (Source: USGS/CMGP) (OFR 2007-1012 / Data Catalog) |
metadata
h11255g_geol.zip
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| H11252 geology (preview) - data layer showing the geologic interpretation of the multibeam bathymetry acquired by NOAA survey H11252 of Six Mile Reef, Eastern Long Island Sound. Type: polygon shapefile. (Source: USGS/CMGP) (OFR 2007-1119 / Data Catalog) |
metadata
zip file
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| H11255 seafloor (preview) - data layer showing the interpreted seafloor features from the multibeam bathymetry acquired by NOAA survey H11255 in the vicnity of the southeastern Long Island Sound. Type: polygon shapefile. (Source: USGS/CMGP) (OFR 2007-1012 / Data Catalog) |
metadata
h11255interp.zip
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| H11361 geology (preview) - data layer showing the geologic interpretation of the multibeam bathymetry acquired by NOAA survey H11361 of Six Mile Reef, Eastern Long Island Sound. Type: polygon shapefile. (Source: USGS/CMGP) (OFR 2007-1119 / Data Catalog) |
metadata
zip file
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Sedimentary Environment (preview) - sedimentary environment map of Long Island Sound. Type: feature - polygon shapefile. (Source: USGS/CMGP) (OFR 00-304 / Data Catalog)
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metadata
sedenvav.zip
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Thickness of post-glacial sediments (polygon) (preview) - thickness of post-glacial sediments in Long Island Sound Type: feature - polygon shapefile. (Source: USGS/CMGP) (OFR 00-304 / Data Catalog)
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metadata
pgthkpol.zip
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Navigation: seismic tracklines ...
Sidescan Sonar Mosaics: USGS mosaics (1993-1997), NOAA
| Data Layer Name and Description |
Files |
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LIS Mosaics - Eight sidescan sonar mosaics created by the U.S. Geological survey from data collected during the time period of 1993 - 1997 are available for online access and download. To view the complete list of Long Island Sound mosaics, click here. Type: GeoTIFF image. (Source: USGS/CMGP)
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online data retrieval
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NOAA H11043 (preview) - Composite digital sidescan sonar mosaic of NOAA survey H11043 in north-central Long Island Sound off of Branford, Connecticut. Type: GeoTIFF Image. (Source: USGS/CMGP, NOAA) (OFR 2004-1003 / Data Catalog)
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metadata
h11043.zip
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| NOAA H11044 (preview) - Composite digital sidescan sonar mosaic of NOAA survey H11044 in west-central Long Island Sound off of Milford, Connecticut. Type: GeoTIFF Image. (Source: USGS/CMGP, NOAA) (OFR 2005-1018 / Data Catalog) |
metdata
h11044.zip
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| NOAA H11045 (preview) - Composite digital sidescan sonar mosaic of NOAA survey H11045 in west-central Long Island Sound off of Bridgeport, Connecticut. Type: GeoTIFF Image. (Source: USGS/CMGP, NOAA) (OFR 2005-1162 / Data Catalog) |
metadata
h11045.zip
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Surficial Sediment Samples: USGS East Coast Surficial Sediments, LIS Surficial Sediment Data ...
| Data Layer Name and Description |
Files |
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USGS Surficial Samples - 2005 (preview) - USGS East Coast sediment texture database released in 2005 containing the location, description and texture of approximately 23,000 samples taken by numerous marine sampling programs and processed by the USGS, Woods Hole Science Center. This data set has been clipped to the extent of the map view and includes the location of all East Coast samples. The zip file contains the complete data set. Type: feature - point shapefile (Source: USGS/CMGP) (OFR 2005-1001 / Data Catalog)
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metadata
ecstdb_2005.zip
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class code - 2005 (preview) - is a subset of the ecstdb2005 dataset and contains only those data points that fall within the East Coast internet map site map view. This data set has been clipped to the extent of the map view. This subset has been symbolized based on the 'classifica' attribute and includes only those samples with an assigned sediment classification. The zip file contains the complete data set. Type: feature - point shapefile (Source: USGS/CMGP) (OFR 2005-1001 / Data Catalog)
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metadata
ecstdb_2005.zip
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location and distribution of Clostridium perfringens - location of surficial sediment samples and distribution of Clostridium perfringens in Long Island Sound. Type: feature - point shapefile. (Source: USGS/CMGP) (OFR 00-304 / Data Catalog)
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metadata
cperfloc.zip
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Reid et al samples (preview) - samples collected by Reid, et al (1979). Type: feature - point shapefile. (Source: University of New Haven)
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metadata
reidetal.zip
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H.L. Sanders samples (1956) - samples collected by H.L. Sanders (1956). Type: feature - point shapefile. (Source: University of New Haven)
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metadata
sanders.zip
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Pellegrino and Hubbard samples (1983) - samples collected by Pellegrino and Hubbard (1983). Type: feature - point shapefile. (Source: University of New Haven)
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metadata
pellegri.zip
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Franz samples (1976) - samples collected by Franz (1976) in the area of Fishers Island Sound. Type: feature - point shapefile. (Source: University of New Haven)
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metadata
franz.zip
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LIS Surficial Sediment Data (preview) - locations of sediment samples collected and analyzed by a number of organizations, and compiled by the U.S. Geological Survey, Woods Hole Science Center. Type: feature - point shapefile. (Source: USGS/CMGP) (OFR 2004-1003 / Download Data)
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metadata
lisseddata.zip
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Distribution of Surficial Sediments (preview) - distribution of surficial sediments in Long Island Sound. Type: feature - polygon shapefile. (Source: USGS/CMGP) (OFR 00-304 / Data Catalog)
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metadata
listex.zip
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U.S. Department of the Interior |
U.S. Geological Survey
U.S. East Coast Map Servers
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