#701: concrete, buildings, amazonia, navigators
-
Guatemala relief map made with concrete in 1905, can still be visited at the Minerva Park in the capital
http://www.atlasobscura.com/places/map-en-relieve-relief-map -
All Great Britain buildings in a single shapefile (1.3G), covering 1.35% of the territory
http://www.statsmapsnpix.com/2017/09/buildings-of-great-britain.html -
Evolution of Amazonian forests in Colombia, with graphs and stories via @ibesora
http://colombia.infoamazonia.org/ -
Blue books were published between 1901 and 1929 to help drivers to navigate via @jsenag
https://blog.mapbox.com/pathfinders-sketches-cartographers-at-official-automobile-blue-book-company-75118069047c
Raf