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Sedimentary Environment Map of Long Island Sound (SEDENVAV_GEO_NAD83, geographic)
Long Island Sound is one of the largest estuaries along the Atlantic coast of the United States. It is a glacially produced, semi-enclosed, northeast-southwest-trending... -
Video transects of the sea floor in the Stellwagen Bank National Marine...
This data set contains polylines showing extents of video transects documenting seabed characteristics in the Stellwagen Bank National Marine Sanctuary Region off Boston,... -
Defined Map Units of the seafloor of Boston Harbor and Approaches...
This data is a qualitatively-derived interpretative polygon shapefile defining the bottom types of the seafloor from Boston Harbor and the harbor approaches, Massachusetts.... -
Interpretation Showing the Distribution of Sea-Floor Sedimentary...
The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA) and the Massachusetts Office of Coastal Zone Management (MA... -
Interpretation Showing the Distribution of Sea-Floor Sedimentary...
The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA) and the Massachusetts Office of Coastal Zone Management (MA... -
Interpretation of sea floor geologic units for Buzzards Bay, Massachusetts...
Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Buzzards Bay, Massachusetts. These maps were derived from interpretations of seismic-... -
Sea-floor interpretation of the East Flower Garden Region, northwestern Gulf...
Seafloor bottom type interpretation of the East Flower Garden Bank portion of the Flower Garden Banks NMS based on sediment samples and the mulitbeam backscatter and bathymetry.... -
Morphology of the Gulf of Mexico within GLORIA survey area (MORPHOLOGY.SHP)
Since 1982 the U.S. Geological Survey (USGS) has collected a large amount of surficial and shallow subsurface geologic information in the deep parts of the Gulf of Mexico. These... -
Surficial Sediment Distributions off Eastern Cape Cod, Massachusetts...
This data set shows the distribution of surficial sediments offshore of northern and eastern Cape Cod, Massachusetts. This interpretation is based on data collected with a... -
Isopach Map of Postimpoundment Sediment in Lake Mead - Geographic Coordinates
Lake Mead is a large interstate reservoir located in the Mojave Desert of southeastern Nevada and northwestern Arizona. It was impounded in 1935 by the construction of Hoover... -
JPEG Images of Seismic-Reflection Profiles Collected in Lake Mead in 2000
Lake Mead is a large interstate reservoir located in the Mojave Desert of southeastern Nevada and northwestern Arizona. It was impounded in 1935 by the construction of Hoover... -
ESRI Binary 75-m Grid of the Sea floor of Apalachicola Bay Excluding Manmade...
Apalachicola Bay and St. George Sound contain the largest oyster fishery in Florida, and the growth and distribution of the numerous oyster reefs here are the combined product... -
Structure grid of the depth to the top of Pleistocene (Q99), inner shelf and...
The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that mapped the... -
Elevation of the late Wisconsinan to early Holocene regressive unconformity...
Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Vineyard and western Nantucket Sounds, Massachusetts. These maps were derived from... -
Isopach of Holocene fluvial and estuarine (Qfe), nearshore marine (Qmn), and...
Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Vineyard and western Nantucket Sounds, Massachusetts. These maps were derived from... -
Geologic outcrop and subcrop type within the inner shelf of Long Bay...
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 change along... -
Interpretation of sea-floor geologic units on the Massachusetts inner...
These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and... -
Railroad Technical Bulletins
Technical bulletins are internal documents (usually memoranda) issued to FRA's regional personnel by the Office Director for Safety Assurance and Compliance. The bulletins... -
Interpretation of sea floor geologic units for Vineyard and western...
Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Vineyard and western Nantucket Sounds, Massachusetts. These maps were derived from... -
Bedrock geologic map of the Ladue River-Mount Fairplay area, Tanacross and...
The Mineral Resources section of the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted bedrock geologic mapping of a 4,800-sq-km (1,860-sq-mi) area of...