#724: referendum, portulan, seismic, cities, highways
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Five maps to explain Oct 1st Catalonia referendum results
http://www.polgeonow.com/2017/10/catalonia-referendum-results-maps-detailed-municipalities.html -
Avignon map is part of an anonymous 1309 portulan map, recently discovered
http://www.bimcc.org/history-of-cartography/avignon-chart -
Optical fibers cable will double as earthquake sensors
https://news.stanford.edu/press-releases/2017/10/19/building-billionr-optical-fibers/ -
Using cadastre data to create buildings maps by construction year of several Spanish cities
https://www.reddit.com/r/dataisbeautiful/comments/76xw1w/buildings_by_age_in_four_spanish_cities_barcelona/ -
60% of USA population lives five miles or less away from an interstate
https://metricmaps.org/2017/10/21/60-of-us-population-is-5-miles-from-the-interstate/
Raf