https://www.atsdr.cdc.gov/es/toxfaqs/es_tfacts132.html
ToxFAQsTM: Cobre (Copper) | ToxFAQ | ATSDR
Hoja informativa del cobre y sus efectos sobre la salud
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https://digitalrepository.unm.edu/nmhr/vol54/iss1/2/
"Copper Genesis: The Early Years of Santa Rita del Cobre" by Billy D. Walker
By Billy D. Walker, Published on 01/01/79
https://ecobre.com/
Cobre Hand-Hammered Copper Gifts & Home Accents
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https://zhishangsteel.en.made-in-china.com/product/gTiRvyDdEzUO/China-Material-De-Cobre-Pure-Copper-Wire-Scrap-for-Electrical-Use.html
Material De Cobre Pure Copper Wire Scrap for Electrical Use - Copper and Copper Wire Scrap
Material De Cobre Pure Copper Wire Scrap for Electrical Use, Find Details and Price about Copper and Copper Wire Scrap from Shandong Zhishang Steel Co., Ltd....
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https://www.abebooks.com/9781607322498/Santa-Rita-Cobre-Copper-Mining-1607322498/plp
Santa Rita del Cobre: A Copper Mining Community in New Mexico (Mining the American West) - Huggard,...
The Spanish, Mexicans, and Americans, successively, mined copper for more than 200 years in Santa Rita, New Mexico. Starting in 1799 after an Apache man led...