An article in " The Ore Bin ", a publication of the Oregon Department of Geology and Mineral Industries, explains that White Branch begins at Collier Glacier and follows a glacial trough filled with porous lava.
12.
Surviving structures associated with the mill include timber ore bins ( no longer in use ), a primary crusher, early ball mill and blast furnace foundations, boiler house and chimney foundations, a workshop and a carpenters shop.
13.
The lack of water reduced output in 1918, only 23 tons of tin and 12.5 tons of copper concentrates being produced, but the new shafts were continued, the three compartment copper shaft having poppet legs and ore bins erected, and a cableway built to the battery bins.
