USGS GROOM CREEK QUADBLM MINING DISTRICT SHEET 242YAVAPAI MAGAZINE MAY 1918 P 4-5 AND JUNE 1921 P 10 AND OCT1920 SHARLOT HALL MUSEUM PRESCOTTAZ MINING MAGAZINE APRIL 1919 P 15J DECEMBER 15, 1922 P 22LINDGREN W ORE DEPOSITS OF THE JEROME AND BRADSHAW MTN QUADSUSGS BULL 782 1926 P 118-119