Cave entrance for Blackball Mine, IL. Blackball Mine is listed as Critical Habitat for the federally listed endangered Indiana bat. The mine is used for winter hibernation by the Indiana bat.

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Photo credit: © NatPar Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: act, bat, bats, endangered, endangeredspecies, endangeredspeciesact, forest, historic, il, illinois, indiana, midwest, national, park, recovery, service, species, usa, wildlife