National Geographic : 1929 Feb
Photograph by Alice Schalek THIE BRADEN COPPER MINE AT SEWELL Chile's copper exports are exceeded in value by nitrates only. This great mine, shipping 7,ooo tons of copper bars amonth tothe United States, is located two miles above sea level, in the heart of the high Andes. The ore veins are 3,000 feet beneath the surface and the ore yields /2per cent pure copper. The mine employs 7,000 people. Answering a recent appeal for lower taxes against thecopper companies, the Chilean Government declared that 90 per cent of the industry was in foreign hands. Production has increased tenfold in fifteen years, bringing inmany millions ofdollars to swell the rolls of the profitably employed and to increase the national revenues.