Wright, Hamilton (photographer), Chamber of Commerce of the United States of America (originator)
Chile's nitrate sustains United Nations' food supply-also used for munitions. Pedro de Valdivia, Chile- First pictures of the world's greatest deposit of natural nitrate! Chile's contribution to the United Nations' all-out mobilization of food and arms against the Red menace. It's located in the 'Valley of the Moon', a desolate areas pockmarked in crater-like effect, 5000 feet above sea level in nothern Chile. Not mountains of snow but piles of pure nitrate of soda being stockpiled for war- and peace. From the rails cars, the bulk load of nitrate is dumped into piles via conveyor belte. Inside the huge storage warehouse at Iquique tractor scoops and bull-dozers shape the stacks. Nirtrate is stored here for bulk shipment to all parts of the world.
Handwritten caption on verso: "Property survey H61. Old grainery, according to 1834 Alfred Victor du Pont survey. Packing house, Aug 1869. Sweepings room, late 19th century. Storage area (stone-walled recess), after 1904."