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© Mid-Atlantic Karst Conservancy, Inc.
Billy Clay Pit, Pocahontas County, West Virginia Dawson Bat House Project, Fayette County, Pennsylvania
Cleversburg Sink Cave, Cumberland County, Pennsylvania

Hall Cave, Huntingdon County, Pennsylvania

Stoverdale Cave, Pennsylvania

 Long Quarry Cave, Pennsylvania
Bear Cave, Westmoreland County, Pennsylvania Hall Cave White Nose Syndrome, Huntingdon County, Pennsylvania