arsenic skimmings
1Fateful Harvest — Infobox Book name = Fateful Harvest: The True Story of a Small Town, a Global Industry, and a Toxic Secret title orig = translator = image caption = author = Duff Wilson illustrator = cover artist = country = language = series = subject = genre …
2metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
3Copper extraction techniques — This article is about historical production methods. For modern methods, see Flash smelting. The Chino open pit copper mine in New Mexico …
