Potash Mine Bat Gate, ID: Many mining adits and openings are little different than natural caves, helping build new habitat for bat populations to roost and expand.
Hayden Concentrator and Smelter (Copper), Hayden, Arizona (2001). (Credit Alan Berger)
Silver Bow Creek (Superfund Site), South and West of Butte, Montana (2001). (Credit Alan Berger)
Anaconda Smelter (Superfund Site), Anaconda, Montana (2001). (Credit Alan Berger)
Fairplay Tailings (Abandoned Placer Gold Mine), Near Fairplay and Alma, Colorado (2000). (Credit Alan Berger)
McCoy Cove Mine (Silver), Lander County, Nevada (2001). (Credit Alan Berger)
Mercur Mine (Gold), Tooele County, Utah (2000). (Credit Alan Berger)
Berkeley Pit Montana Resources (Superfund Site, Copper), Butte, Montana (2001). (Credit Alan Berger)
Beal Mountain Mine (Gold), Near Fairmont Hot Springs, Montana (2001). (Credit Alan Berger)