(UNDATED) - The Department of Natural Resources is keeping its caves closed.
The closures, that began in May 2009, are a precaution against the uncontrolled spread of White-Nosed Syndrome, also know as WNS.
WNS has now been found in at least 12 states, and continues to kill bats in record numbers but is not a threat to humans.
Privately owned commercial caves in Indiana such as Squire Boone Caverns, Marengo Cave and Blue Springs Caverns remain open.
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