Richard Mullins stood in front of the Great Saltpetre Cave in Rockcastle County in August 1985. Mullins was caretaker of the cave and at the time of the photo was taken, the cave was for sale. It is now owned by the Rockcastle Karst Conservancy and operated by several other organizations. The cave is only open to the public one weekend a year. During the War of 1812 it served as an important sources of saltpeter, a vital component of gunpowder. From 1938 to the 1970’s the cave was a commercial property and open for tours, ballroom dancing and weddings. Photo by David Perry | Staff