Using capital of $625,000, the company purchased the mine and developed a mill at Sewell, Chile.

[2] Barton Sewell never visited Chile and was limited to participating in the business as an upper executive at the companies central offices in New York City.

Nash died in 1905, Braden turned to John Hays Hammond and Guggenex, owned by the Guggenheim brothers, for financing.

In June 1910, the Guggenheims took control of the mine and provided financing which turned the oxcart road into a railway, built a three-thousand ton mill and hydroelectric plants.

In 1945, the company constructed the Braden Copper Stadium in the city of Rancagua, now called Estadio El Teniente.