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GIS
Mo Shafieeha • 1 card

In the olden days, map makers would purposefully add mistakes into their maps so they could detect forgeries others had made
The maps of the world drawn by the medieval cartographers were so hopelessly inaccurate, so filled with factual error, that they elicit condescending smiles today when almost the entire surface of the earth has been charted. Yet the great explorers could never have discovered the New World without them. Nor could the better, more accurate maps of t
... See moreAlvin Toffler • Future Shock

Free topographic maps, elevation, terrain
en-gb.topographic-map.com
Top Picks from Sketchplanations: Your Ultimate Guide to Visual Insights
Moi Jamri • 23 cards
Maps can’t show everything
Rhiannon Beaubien • The Great Mental Models Volume 1: General Thinking Concepts
two types of charts that represent flows: alluvial and Sankey diagrams.