National Atlas

The State Plane Coordinate System (SPCS) is a plane coordinate system (N-S and E-W lines are perpendicular) in which each individual state has from one to six zones, depending on the state's size and shape. The grid system in some states is based on the...
Yes, the National Atlas offers plenty of choices in page-size maps. Please see our Printable Maps page for the latest list of the printable maps we offer. In addition, the following sites have links to United States maps in formats appropriate for...
Trails and symbols are shown clearly. A comprehensive legend appears on each map. Since each map is unique, placement of the legend varies. 
The online version of the National Atlas (officially known as The 1997-2014 Edition of the National Atlas of the United States) (formerly at nationalatlas.gov) was removed from service on September 30, 2014. Some of its products and services are now...
GNIS data is available from a number of sources and services. See Data.Gov, Geographic Names Community for full metadata and instructions concerning these services (Click Geographic Names under Special Interest in left menu, then Gallery or Resources.)....