The developer who turned a cave into an industrial park called Rock City has been looking at alternative ways to bring electricity to its underground roads, offices and cold storage — including the possibility of miniature nuclear reactors.
Rock City is a former limestone mine located inside the bluff beneath the Salt Lick Point nature reserve in the village of Valmeyer, a small community of about 1,200 people.
Today, Rock City houses the National Archives, as well as commercial businesses like Little Caesars and food distributor Cargill Meat…