Iron King Mine & Humboldt Smelter, Humboldt, Arizona - Ghost Towns of Arizona and Surrounding States
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Iron King Mine - Humboldt Smelter Project
Iron King Mine - Humboldt Smelter Project
Iron King Mine, smelter cleanup's slow pace angers some residents, The Daily Courier
Iron King Mine - Humboldt Smelter Project
Arizona Geological Survey at the University of Arizona - Geologic map of the surface of Iron King Mine near Dewey-Humboldt, central Arizona, by Anderson and Creasey (1958). Discovered in 1880 on the
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Iron King Mine - Humboldt Smelter Project
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King of Prussia Technical Corporation Superfund Site
Toxic metal(loid) speciation during weathering of iron sulfide mine tailings under semi-arid climate - ScienceDirect
$85 million to clean up Superfund sites near Dewey-Humboldt, EPA announces, Local News
