#1493: nationalgeographic, glaciers, oldmaps
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The National Geographic Society's collection of more than 6,000 maps from the past 130 years has been assembled into a digital archive, but it is not available to the public.
https://www.nationalgeographic.com/news/2018/05/map-of-the-day-cartography-vintage-archive-culture/ -
A recent study of 225 Greenlandic glaciers beginning inland and ending in the ocean shows that none have risen while 200 have receded, in all sectors of the island.
https://earthobservatory.nasa.gov/images/147728/shrinking-margins-of-greenland -
The maps in the Rijksmuseum's collection are online now that the Amsterdam Museum has digitized almost 70% of its holdings.
https://www.rijksmuseum.nl/en/rijksstudio/1684377--svenrijks/collections/cartografie?ii=0&p=0
Raf