Modern Maps
USGS Maps & Mapping Data For information on the following topics, see the seperate USGS page.
DLGs 1:24K SDTS format 7½' x 7½' "Quads" by state 1:100K SDTS format 30' x 60' by state 1:100K Optional format 30' x 60' by state Making Your Own Maps
If you're feeling really ambitious, and you're fairly comfortable with your PC, you can make your own maps using online mapping data from the USGS's DLG (Digital Line Graph) files. But be forewarned -- it's a lengthly process, and you'll need to learn a lot before you end up with a finished map.
Hard To Find Places
& Places That No Longer Exist If you need to locate a hard-to-find place, or one that you suspect may no longer exist, first query the GNIS database (Geographic Names Information System). If you don't find it there, then you can write to:
U.S. Board of Geographic Names
523 National Center Reston, Va. 22092 Navigate |