Eventos
The Spanish Start Mining at La OroyaA railroad to La Oroya is built,
causing a major increase in
local mining interests.The Cerro de Pasco Corporation builds
the city's first smelting facility for copperA lead smelter is also builtDoe Run Mining acquires the
mine from the government,
in total disrepair and very
unsanitary conditions.A study is conducted showing
high levels of toxic chemicals
in the inhabitants' bloodstreamA study shows 99%
of the city's children
have lead poisoning.A zinc refinery is
constructed in
La OroyaDoe Run acquires an extended deadline
so that they have more time to make the
mine more environmentally friendlyDoe Run Mining continues to
bypass the laws, and is still an
unsafe city as far as air and water
pollution is concerned.
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