Piercys Mill, West Virginia
Introduction '''Piercys Mill''' is an unincorporated community in Greenbrier County, West Virginia, United States. Piercys Mill is  north-northeast of Alderson.Within the community is Piercy's Mill Cave, a privately-owned cavern that extends just under a mile. A stream flows out of the cave's mouth and into Muddy Creek, a tributary of the Greenbrier River. A side passage inside of Piercy's Mill Cave leads to a series of rimstone dam rooms.
References