National Atlas

Trails and symbols are shown clearly. A comprehensive legend appears on each map. Since each map is unique, placement of the legend varies.  
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...
No. The USGS is mapping current West Nile virus information, and also has maps from several previous years. West Nile virus information for the previous year is usually added to the National Atlas Map Maker in late spring. 
Most map layers are available in the Shapefile format introduced by Environmental Systems Research Institute (ESRI). Here is a link to technical whitepaper for the Shapefile format. This information is in portable document format (PDF). Reading it...
Please see the National Atlas products page for a complete listing of the products and services currently included in the National Atlas. Please visit this page for information about these when the National Atlas program ends: What’s going to happen to...
There is page for questions and answers about the end of the National Atlas. For other questions about the National Atlas, please contact us by phone, email, social media, or webchat.   NOTICE: The National Atlas of the United States will be taken...
Yes. The National Atlas offers many page-sized maps. Please see the Printable Maps page for the latest list of the Printable Maps we offer. These maps will be available from nationalmap.gov on October 1, 2014.The following sites have links to United...
Yes, the National Atlas provides information on finding and displaying USGS topographic maps and digital aerial photographs. Current topographic maps (called US Topos) as well as most historic topographic maps are available online from the USGS Store....
Our maps and data are intended for use at national or large regional scales. Most of our data are collected at scale of 1:2,000,000 or 1:1,000,000 (where an inch on the map at that scale is roughly 15.8 miles). Each dataset includes detailed...