Inscription on back reads: Room and pillar surface stopes stopes on the Wall Street Mine-which produced $1,5000,000.00 in gold alone from about 80 feet depth. El Dorado Canyon Clark County Nevada
Caption: From a boat in mid-stream, looking west. [above] Southwestern Mining Co. Quartz Mill, Mouth of El Dorado Canyon, Boarding House, Store, Millmen's cabins, Weather Observation Station [below]