SEA FLOOR MAPPING BY THE UNITED STATES GOVERNMENT SCIENCE CENTER and WOODSHOLE COASTAL AND MARINE SCIENCE CENTER

USGS GOV - SCIENCE CENTER SEA FLOOR 

MARINE GEOLOGY!  How do scientist's discover what the sea floor looks like?

EXCERPT:  SFNG uses acoustic and optical techniques to acquire detailed geologic information about the sea floor, such as seabed topography, sediment composition and distribution, and underlying geologic structure.  This information defines the geologic framework and provides a base for a wide-range of USGS research. 

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