I have National Geographic’s Topo 4 software for the South Eastern U.S., but the resolution on it is not the greatest.
By Ken Jorgustin – Modern Survival Blog
Here’s how to search for, and download FREE Topo maps for any area in the United States.
I came across this free online map resource awhile ago, but just today used it again to download some local topographical maps.
Direct Link To TOPO Maps:
Map Locator & Downloader
The direct link will display a map of the United States…Continue reading at Modern Survival Blog: How To Download Free Topo Maps