In the early 1900s, it was the largest city between St. Louis and San Francisco, bustling with the raw material of Wild West legends. Bisbee's infamous Brewery Gulch once supported 47 saloons and was considered the "liveliest spot between El Paso and San Francisco." By the 1970s, opportunists had relieved Bisbee's Mule Mountains of billions of pounds of copper, 102 million ounces of silver, 2.8 million ounces of gold, and millions of pounds of zinc,...