Michael Durham Photography

abandoned mine

Geologist and mining engineer Greg Graham unlocks a bat gate at the entrance to the abandoned Gold Stake gold mine. The gate is designed to allow bats to fly in and out of the mine interior while keeping human visitors and other large animals excluded. Greg is going to inspect the mine in preparation for a bat survey by biologists. Coleville National Forest, Washington.

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Filename: abandoned_mine_102907BMn-206.jpg
Copyright: Michael Durham
Image Size: 3933x5900 / 7.9MB; www.DurmPhoto.com; Greg Graham abandoned mine adit bat gate bat habitat bat research gold mine gold stake mine mine mine entrance
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Geologist and mining engineer Greg Graham unlocks a bat gate at the entrance to the abandoned Gold Stake gold mine. The gate is designed to allow bats to fly in and out of the mine interior while keeping human visitors and other large animals excluded. Greg is going to inspect the mine in preparation for a bat survey by biologists. Coleville National Forest, Washington.