gold ore stamp mill and cyanidation tanks
The History of Hedges and the Cargo Muchacho Mining District Part I. Cover: The gold mining town of Hedges in the Colorado Desert, northwest of Yuma, Arizona, ca 1900, Air compressor and steam engine inside the 100stamp mill, Miners filling ore carts with tailings for the trip to the cyanide plant, ca 1902, the extraction room building and in front of it, sump tanks marked "PoisonNo.