USGS Unveils New National Geologic Map | Hacker News

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		USGS Unveils New National Geologic Map (usgs.gov)
		4 points by bookofjoe 3 months ago \| hide \| past \| favorite \| 1 comment

toomuchtodo 3 months ago [–]

https://ngmdb.usgs.gov/nationalgeology/

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