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Another interactive forest map. This one is raster based.
An overview of MapQuest's Open APIs and SDKs which rely heavily on OpenStreetMap, a crowd-sourced mapping project where the underlying map data is free and editable by the whole world.
Found a site with all of the TAT maps in Garmin files, in high resolution, plus the high res daily maps in jpg, and full google maps and Google earth files for pre-planning. the sections in the 30s look simply amazing. eing able ot preview the sections in Google Earth is outstanding. He also has a full set of waypoint files for Garin that have all the gas stations etc.: https://sites.google.com/site/gpskevin/adventurerides/trans-america-trail https://sites.google.com/site/gpskevin/tat-in-google-maps https://docs.google.com/file/d/0Bw2pKVwVJim3dDJPN0poak1waFU/edit