The Missouri Department of Natural Resources has canceled wild cave tours at Rock Bridge State Park after a bat-killing fungus was found, according to the Associated Press.
A fungus known as white-nose syndrome in three caves at the park has closed tours at Devil's Icebox, one of the state's most biologically diverse wild caves.
Four other major caves at the Missouri park will stay open. State officials will decide during the winter whether to reopen Devil's Icebox, among others, for spring tours.
Missouri is often called the "cave state" as the state has some 6,300 caves, according to the state's Department of Natural Resources.
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