Daniel Cowan Jackling (August 14, 1869 – March 13, 1956), was an American mining and metallurgical engineer who pioneered the exploitation of low-grade porphyry copper ores at the Bingham Canyon Mine, Utah.
Author: Lyons, Louis S., [from old catalog] ed; Wilson, Josephine, Mrs., [from old catalog] ed Source: Who's who among the women of California License: PD US expired