Now that you’ve downloaded GeoPDF maps from USGS, let TerraGo help you do more with them!
TerraGo Toolbar is an extension for Adobe Reader. TerraGo Toolbar makes is easy to measure
distances between objects, add your own comments to specific locations on the map, view the files in
conjunction with Google Maps or even integrate them with your GPS to track your position on the map.
And best of all - it’s free! Please also see the TerraGo Toolbar training videos.