The expansion of built up urban land in Los Angeles, 1877 - 2000. Prepared for the NYU Stern Urbanization Project using data from The Atlas of Urban Expansion, published by the Lincoln Institute of Land Policy. Prepared by IMAGINARIA3D in Quito, Ecuador (imaginaria3d.com).
A gathering of the European OpenStreetMap communit, State of the Map Europe, took place in Karlsruhe, Germany in June. Hundreds of attendees met to discuss various aspect of the project. Ed Freyfogle details how OpenStreetMap (OSM) has come a long way.