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USGS Mineral Resources: World phosphate mines, deposits, and occurrences
From the site: "Location, geologic characteristics, and commodities for 1,635 phosphate mines, deposits, or occurrences worldwide" -
Oceanographic Data at NODC
NODC's National Archive of Ocean Data; search and retrieve data and metadata in its original format (as it was submitted to NODC).
E' possibile inoltre accedere al registro usando le API (vedi Documentazione API).