76 datasets found
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Federal
Massachusetts Water Resources Administration Sediment Data for Boston Harbor and Massachusetts Bay acquired in 1993 - 1995 (MWRA shapefile)
Department of the Interior —
The samples in this dataset were collected and analyzed under the direction of the Massachusetts Water Resources Administration. The data were generated to study the... -
Federal
Samples collected along transects off the Eastern United States in 1938 (STETSON38 shapefile)
Department of the Interior —
This study was undertaken to provide information on the characteristics and distribution of surficial sediments off the eastern United States. Accordingly, long... -
Federal
MCMASTER60_PROJECT: Sediments of Narragansett Bay
Department of the Interior —
Gravel, sand, silt, and clay contents were determined for samples from Narragansett Bay and the adjacent Rhode Island Shelf. In the Narragansett Bay system, clayey... -
Federal
Gulf of Maine Contaminated Sediments Database (GOMCSDB shapefile)
Department of the Interior —
The Contaminated Sediments Database for the Gulf of Maine provides a compilation and synthesis of existing data to help establish the environmental status of our... -
Federal
DS926 Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system in Florida and parts of Georgia, Alabama, and South Carolina -- Major groundwater divides of the Floridan aquifer system
Department of the Interior —
Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system were developed to define an updated hydrogeologic framework as part of... -
Federal
Recent Sediments of the Scotian Shelf acquired in 1962 (PEZZETTA shapefile)
Department of the Interior —
A reconnaissance survey of that part of the Scotian Shelf extending from Halifax to Digby Nook was conducted during October, 1961, in order to determine the nature,... -
Federal
Neritic sediments of the Merrimack Embayment (ANAN71 shapefile)
Department of the Interior —
The coastal dunes, beaches, and inner neritic zone of the Merrimack Embayment constitute a petrologic province. In addition to heavy mineral analyses, grain size... -
Federal
1 minute interval navigation points for the R/V GYRE cruise 97006 seismic tracklines (G97_1MNPTS.SHP)
Department of the Interior —
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... -
Federal
Bottom Sediments -- Cape Ann to Casco Bay (FOLGER75 shapefile)
Department of the Interior —
The reconnaissance maps upon which this data set is based show the areal distribution of the major bottom sediment types covering the sea floor off eastern New... -
Federal
Sediments of Boston Harbor acquired in 1968 (MENCHER shapefile)
Department of the Interior —
A study was made of the composition, grain-size distribution, and organic content of grab samples collected from Boston Harbor. In general, the coarsest mean sizes... -
Federal
Sediment Data from the Great Bay Estuarine System acquired in 1986 (NELSON86 shapefile)
Department of the Interior —
The sediment data presented in this data layer were from a geochemical study sited in Great Bay estuarine system of New Hampshire. Textural data were used to support... -
Federal
Samples collected by H. L. Sanders (1956)
Department of the Interior —
This GIS layer provides the location where samples were taken in a survey conducted by H.L. Sanders (1956) -
Federal
Sediment from Northwest Atlantic Ocean acquired in 1978 (ROWE78 shapefile)
Department of the Interior —
Presented in this dataset are data determined from sediments collected by different means during a variety of cruises to the northwest Atlantic Ocean. These data have... -
Federal
Samples collected by D. Franz (1976)
Department of the Interior —
This GIS layer provides the location where samples were taken in a survey conducted by D. Franz (1976) -
Federal
1998 shotpoint navigation at 500 shot intervals off the coast of Washington and Oregon (geographic coordinates)
Department of the Interior —
Two 21-day field operations were conducted in 1997 and 1998 in the estuaries and on the inner continental shelf off the northern Oregon and southern Washington coast.... -
Federal
Samples from the Georges Bank Canyons acquired in 1936 (STETSON36 shapefile)
Department of the Interior —
Submarine canyons cut into the edge of the continental shelf and the continental slope along much of the U.S. Atlantic coast. Three canyons along the southern edge of... -
Federal
Sediment Data from the Continental Rise (ZIMMERMAN72 shapefile)
Department of the Interior —
Short cores were collected on the continental rise off Georges Bank. The character of the sediments and measured bottom currents show that the Western Boundary... -
Federal
Lake Bluffs point cloud from low-altitude aerial imagery from unmanned aerial systems (UAS) flights over of the Lake Ontario shoreline in the vicinity of Sodus Bay, New York in July 2017 (LAZ file)
Department of the Interior —
Low-altitude (80-100 meters above ground level) digital images were obtained from a camera mounted on a 3DR Solo quadcopter, a small unmanned aerial system (UAS),... -
Federal
Army Corps Sediment Data from Maine and New Hampshire acquired in 1994 (MNHACOE shapefile)
Department of the Interior —
The data in this layer are from a study that evaluated and documented the historic and projected future dredging and dredged material disposal needs of the coastal... -
Federal
Sediments off Cape Ann to Cape Cod, MA acquired in 1973 (SCHLEE73 shapefile)
Department of the Interior —
The reconnaissance maps upon which this data set is based show the areal distribution of the major bottom sediment types covering the sea floor off Massachusetts...
76 datasets found