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OSM beginners guide: http://wiki.openstreetmap.org/wiki/Beginners%27_guide http://wiki.openstreetmap.org/wiki/Beginners%27_guide Bing has allowed OSM to trace
by rmc 11y ago
OSM beginners guide: http://wiki.openstreetmap.org/wiki/Beginners%27_guide http://wiki.openstreetmap.org/wiki/Beginners%27_guide
Bing has allowed OSM to trace from their aerial imagery, so you can use that as well as uploading GPX traces.