Saltville The town of Saltville, Virginia was more than just a Confederate salt-mine during the Civil War. It was also a strategic target. Click to enlarge.
Archaeology is more than the study of very ancient civilizations.
One site in the U.S. that's gaining attention is the town of Saltville, Virginia. Since vegetation doesn't grow well in salty soil, unhealthy vegetation may indicate unknown parts of the salt works. And that's just where archaeologists want to excavate. To help pinpoint this overgrowth on the ground, archaeologists have used airborne observations that measure the health of vegetation by its color. What we've found so far.