 Guess, Managing Director of the mining department of the American Smelting & Refining Company, owned by Daniel Guggenheim.He has been identified with that company for fifteen years, and was also consulting engineer of the Braden Cooper and Chile Cooper Companies.On April 30, 1917, the Company secured a controlling interest in the San Marcos mine, located at Sabana Grande, Honduras, and owned by the Sabana Grande Honduras Mining Company.