169 dataset trovati

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), in three...

This GIS layer contains the shiptrack navigation points collected aboard the RV ASTERIAS during a 1983 geophysical cruise to east-central Long Island Sound. A boomer seismic...

This GIS overlay is a component of the U.S. Geological Survey, Woods Hole Field Center's, Gulf of Mexico ArcView GIS database. The Gulf of Mexico GIS database is intended to...

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), along the Lake...

The National Center for Education Statistics’ (NCES) Education Demographic and Geographic Estimate (EDGE) program develops bi-annually updated point locations (latitude and...

The coastal dunes, beaches, and inner neritic zone of the Merrimack Embayment constitute a petrologic province. In addition to heavy mineral analyses, grain size statistics were...

The National Center for Education Statistics' (NCES) Education Demographic and Geographic Estimate (EDGE) program develops annually updated point locations (latitude and...

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,...

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 rivers and...

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 occur in the...

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), in three...

Metadata Miscellaneous cultural points are a base map data layer derived by automated processes and processed for cartographic representation at 1:2400 scale. The point features...

These data, which comprise part of the Smithsonian Institution Master Sediment data file, were abstracted by the staff of the Smithsonian Institution from materials submitted...

This ArcView shapefile contains a point representation of coal quality samples. This theme was created specifically for the National Coal Resources Assessment in the Northern...

Submarine canyons occur at the edge of the continental shelf and cut across the slope and rise along the U.S. east coast. Three of these canyons (Oceanographer, Lydonia, and...

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....

The National Center for Education Statistics' (NCES) Education Demographic and Geographic Estimate (EDGE) program develops annually updated point locations (latitude and...

This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This is a comprehensive point theme that incorporates parcel ownership and address...

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. These...

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. These...