usSEABED EXTracted data for the entire U.S. Gulf of Mexico and Caribbean (GMX_EXT, Puerto Rico and U.S. Virgin Islands)

Online link https://cmgds.marine.usgs.gov/catalog/whcmsc/data_series/DS-146/gmx_ext.shp.faq.html
Description This data layer is a point coverage of known sediment samplings, inspections and probings from the usSEABED data collection and integrated using the software system dbSEABED. This data layer represents the extracted (EXT) output of the dbSEABED mining software. It contains data items which were simply extracted from the data resources through data mining. The EXT data is usually based on instrumental analyses (probe or laboratory) but may apply to just a subsample of the sediment (eg. no large shells).
Originators U.S. Geological Survey; University of Colorado; Buczkowski, Brian J.; Reid, Jane A.; Jenkins, Chris J.; Reid, Jamey M.; Williams, S. Jeffress; and Flocks, James G.

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Image map showing extent of data layer coverage
Image map showing extent of data layer coverage