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NGDC Marine Geology and Geophysics NGDC Grain Size Database Search
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upper latitude
left longitude
right longitude

lower latitude
Data Source
Ship
Cruise

(enter 1st few letters)
Sampling device
Year of Collection yyyy: (199 selects all 1990s)
Water depth(m) to (0 to 5 selects depths less than 6m)
MGGID