![Day 7: Queen Mine Tour, Bisbee Mining & Historical Museum](https://a4.pbase.com/g12/62/235762/3/171528616.rGiK2mxs.jpg) Day 7: Queen Mine Tour, Bisbee Mining & Historical Museum
by Steve, Katherine, and Norah
| ![My Nikon Gear, past and present](https://a4.pbase.com/g3/85/651285/3/95385930.2tFsuAn6.jpg) My Nikon Gear, past and present
by Charles Loy Cummins
| ![Kraków's Amazing Wieliczka Salt Mine](https://a4.pbase.com/g2/38/6338/3/148879652.PCMchAYK.jpg) Kraków's Amazing Wieliczka Salt Mine
by Helen Betts
| ![WIELICZKA SALT MINE](https://a4.pbase.com/g9/62/511062/3/158505369.DGKw9zyC.jpg) WIELICZKA SALT MINE
by Jola Dziubinska
| ![Sierra Silver Mine Tour](https://a4.pbase.com/g12/56/781656/3/172996289.W0nb0n6C.jpg) Sierra Silver Mine Tour
by Jeff B.
|
![Echoes of Westgarth Forster at Garrigill](https://a4.pbase.com/g9/41/984841/3/151441710.WaUR71HX.jpg) Echoes of Westgarth Forster at Garrigill
by Hajar
| ![Ajax Mine and Telegraph Canyon, Arizona](https://a4.pbase.com/g9/63/548463/3/153789227.7e6AExZ3.jpg) Ajax Mine and Telegraph Canyon, Arizona
by George Kolb
| ![Official Naming of Roads Near Potash](https://a4.pbase.com/g6/93/584893/3/78869216.C1mGnEAf.jpg) Official Naming of Roads Near Potash
by Dave Beedon
| ![041903_black_diamond_mines](https://a4.pbase.com/u27/bryan_murahashi/medium/15679345.0DSCN7191_PlaqueAC.jpg) 041903 black diamond mines
by Bryan Murahashi
| ![Sheep Tank Mine in KOFA National Wildlife Refuge, Arizona](https://a4.pbase.com/g9/63/548463/3/154047319.rIp1DKoV.jpg) Sheep Tank Mine in KOFA National Wildlife Refuge, Arizona
by George Kolb
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