Digitalització del fons USGS http://www.vector1media.com/spatialsustain/the-usgs-dusts-off-their-archives-and-prepares-for-digital-release.html Raf -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.osgeo.org/pipermail/barcelona/attachments/20110518/d85e1ded/attachment.html