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
'Edition No. 2. November 1916.' Map is one side of a folded flyer advertising mines and mining in the Eldorado Canyon district. Transporation options to the area are listed. Scale: 1" = 1000'.