Geological Survey NI
@geosurveyni
Geoscience research, events & news from the staff of the Geological Survey of NI. Retweets and likes are not an endorsement. Tweeting weekdays from 9-5.
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http://bgs.ac.uk/gsni 04-09-2015 21:41:50
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🗺️ Today is ‘Geological Map Day’! 🗺️ Since 1947, GSNI have produced mapping as fieldslips, standards, printed maps at the 50K and 250K scale, and digital geological mapping at 10K scale. ➡ Historical maps - geologicalmaps.net/irishhistmaps/… ➡ Digital mapping - mapapps2.bgs.ac.uk/gsni_geoindex/…
