Added a whole bunch of trails to Alamden Quicksilver park. Purisima Creek Open Preserve is now almost completed (except for some hiking-only trails). I've also added a trail on South Mountain, Phoenix and aligned a bunch of TIGER data in the surrounding streets.

Has anyone thought about importing the GIS data from the US National Park Service? It's weird that the outline of parks such as even Yosemite are approximations at best, but often completely non-existent (e.g. Golden Gate Park). I'm not 100% sure, but since this is data provided by the federal government, this should be free to use.

Speaking of which: pretty much all map providers (e.g. AAA) will display National Parks prominently on their maps, but Mapnik only does so at fairly detailed zoom levels. Am I the only one who uses National Parks are a way to orient myself on a map?