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.

Admiral Parkway Inc., which manages the cave-turned-development, recently signed a memorandum of understanding with Italian nuclear power company Terra Innovatum. The memorandum signaled its interest in potentially bringing up to 50 mini nu

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