[Ráfaga] Nº273: xfiles, tags, railways, mayans, osm

[Jorge Sanz]

* Interactive map of all X-Files via via @realivansanchez
  http://www.geography.wisc.edu/courses/geog572/f12/roberts/index.html

* Analysis of the changes on OSM tags via @realivansanchez

http://matiasdahl.iki.fi/2015/finding-related-amenity-tags-on-the-openstreetmap

* Evolution of the Spanish railway network 1860-1985 via @realivansanchez

http://www.geotren.es/blog/como-era-la-red-ferroviaria-espanola-en-1860-1880-1941-1948-y-antes-de-1985/

* Online interactive high precision scan of the Codex Dresdensis via
@realivansanchez
  http://blattspinat.com/index.php/posts/maya-codex-in-2-2-gigapixeln

* The personal experience of a ten years collaboration with OSM via
@realivansanchez
  https://www.openstreetmap.org/user/maning/diary/37779

Ivan
Raf
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