33
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
Public Timelines
Menu
Public Timelines
FAQ
Public Timelines
FAQ
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
Create
Close
Create a timeline
Public timelines
Library
FAQ
Edit
Download
Export
Duplicate
Premium
Embed
Share
Peruvian mine
Category:
Other
Updated:
25 Oct 2017
0
0
322
Contributors
Created by
krish
Attachments
Comments
Events
The Spanish Start Mining at La Oroya
A 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 copper
A lead smelter is also built
Doe 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' bloodstream
A study shows 99% of the city's children have lead poisoning.
A zinc refinery is constructed in La Oroya
Doe Run acquires an extended deadline so that they have more time to make the mine more environmentally friendly
Doe Run Mining continues to bypass the laws, and is still an unsafe city as far as air and water pollution is concerned.
About & Feedback
Terms
Privacy
Library
FAQ
Support 24/7
Cabinet
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL
Comments