It looks like someone has done a bulk import of government data for land use in Georgia, but not Atlanta (or any other states?).
Its mentioned on this page: osm.wiki/Georgia_%28U.S._state%29#Land_Use
I don't know whether any similar data is available for Alabama or elsewhere, or how useful it is.
Discussion
Comment from Vclaw on 1 July 2010 at 00:14
It looks like someone has done a bulk import of government data for land use in Georgia, but not Atlanta (or any other states?).
Its mentioned on this page: osm.wiki/Georgia_%28U.S._state%29#Land_Use
I don't know whether any similar data is available for Alabama or elsewhere, or how useful it is.