Ús de la xarxa ferroviària als Estats Units * http://www.theatlanticcities.com/jobs-and-economy/2013/02/visualizing-how-poorly-amtraks-route-network-serves-most-us/4620/ * *Raf * -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osgeo.org/pipermail/barcelona/attachments/20130208/30d168c7/attachment.html>