Note the densely wooded area around the spring, and the extensive limestone outcrop on the perimeter of the pool. The spring is surrounded by dense woods except for a small clearing on the south side near the road. Limestone crops out around the spring perimeter and through the dark blue-green water near the vent. Swimming, fishing, snorkeling and scuba diving. Analyses by U.S. Geological Survey.
Units are in milligrams per liter unless otherwise indicated.