TopoView - A look at version 2.1
Detailed Description
A tutorial by USGS scientist and topoView developer Chris Garrity demonstrating how to use topoView version 2.1. TopoView let's you access and download maps free of charge from the USGS's Historical Topographic Map Collection, published between 1884 and 2006.
Resources:
An Introduction to TopoView (version 1.0)
https://www.youtube.com/watch?v=kOpe3WXsZrQ
Details
Sources/Usage
Public Domain.