Cangalli: An American Company Searches for an Ancient River of Gold

Four hundred years of gold mining history took place in an area of the Tipuani Gold District of Bolivia. One small Denver gold mining company was convinced that their 5,000 acre gold claim held evidence of an ancient river system containing large amounts of gold. Modern technology of today was able to remove the gold from this ancient river and the Tipuani River. A theory held in question by authorities. The company was determined to prove them all wrong. True story recorded by the author and later became a shareholder.