Ajo Copper Mine, Pima Co., Arizona - October 2010
Group Photo from Concentrator Hill (Photo provided by Jan Rasmussen)
Linda Dufek, Claudia Stone, Thomas Parkhill and Jan Rasmussen listen to Dennis Cox's Review of the Geology of the Ajo Mining District (Photo provided by Jan Rasmussen)
Looking SW at the New Cornelia Pit from Concentrator Hill (Photo provided by Jan Rasmussen)