ALBUQUERQUE, N.M. (KRQE) — It’s a “hydrated phosphate of copper,” but you may just know it as turquoise. The blue-green mineral widely regarded as a gemstone has significant deposits across the world, ...

Most of the mining towns of the Southwest seemed to follow the same path. They were founded because of their proximity to a valuable mineral, they prospered for a while and then they fell on hard ...

1 7/8 inches wide 5 3/4 inches 1 1/8 inch 6 7/8 inch ...

To travel into the past, you only have to drive a little more than 200 miles southeast of Phoenix, Arizona, to a former mining town in the Mule Mountains. Bisbee was once the largest city in Arizona, ...