The levels began to rise until 1700 and stayed steady until around 1830, which coincided with wars of independence throughout Spanish America when many of the machines and mines were destroyed by ...

The first of three maps "visualizing the progress of President-Elect Herbert Hoover around South America appears this week in TIME. The Hoover Odyssey is chronicled in National Affairs. Lands ...

After peaking in the 1700s, the concentrations drop back down around 1830. As a series of revolutions ripped through South America, mining activity ground to a halt.

The Inca world : ancient people and places ; art, architecture, religion, everyday life, culture ; the native civilizations of the Andes and South America explored in 500 paintings, drawing and ...

During the Inca civilization, which thrived in South America before the arrival of Europeans, these ritual sacrifices were known as capococha. One of the victims was a 7-year-old boy who lived ...