[Spanish] Fwd: [Ráfaga] Nº430: boundaries, conferences, flights, icons, drought

[Jorge Sanz]

* Web application to draw and compare opinionated city boundaries
  http://ajrae.staff.shef.ac.uk/nhood/#view

* Report from global and Norwegian FOSS4G conferences
  https://anitagraser.com/2016/09/03/reporting-back-from-bonn-oslo/

* How the Ordnance Survey does national aerial imagery capture
  https://www.ordnancesurvey.co.uk/blog/2016/09/surveying-britain-skies/

* Open Source geospatial map icons
  http://mapsk.in/

* 2016 USA drought conditions map
  http://www.caliper.com/featured-maps/maptitude-us-drought-conditions-2016-map.html

Raf