Interactive Gettysburg: Using Modern Mapping Tools for a New Look at the Historical Battle

When Robert E. Lee looked out over the land at Gettysburg, 150 years ago this week, what could he see?

Not much, says Middlebury professor of geography Anne Kelly Knowles. That is her conclusion based on a nearly decade-long project to visualize the Battle of Gettysburg using advanced digital mapping techniques, available for your exploration at Smithsonian.com.