Once home to an estimated 15,000 bats, the Durham mines are now nearly empty, according to the Heritage Conservancy of Bucks County.
Bucks County Courier Times, York Daily Record
Tue, 09/21/2021 - 7:38pm
Once home to an estimated 15,000 bats, the Durham mines are now nearly empty, according to the Heritage Conservancy of Bucks County.