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https://www.ncei.noaa.gov/metadata/geoportal/rest/metadata/item/gov.noaa.ngdc.mgg.dem:4870/html

NOAA National Geophysical Data Center (NGDC). 2012. Mariana Trench 6 arc-second Bathymetric Digital Elevation Model. NOAA National Centers for Environmental Information (NCEI).

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Last updated	2026-11-04
Created	2026-11-04