Dennis Knobloch will share the story of a quarry that began in Valmeyer in the late 1800’s; a quarry that supplied rock for a railroad roadbed, grew mushrooms underground, served as a Civil Defense shelter during the Cold War era, and has now been a converted to a cold food storage facility and Federal document depository.

This event is free and open to the public. For more information, contact the History Museum of Monroe County at (618) 939-5008.