References SpringerLink
eCFR :: 40 CFR Part 300 -- National Oil and Hazardous Substances Pollution Contingency Plan
Google Earth visible satellite image of the Iron King Mine
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Water Pollution – Page 2 – Coyote Gulch
List of Available Publications - Oklahoma Geological Survey
EPA releases cleanup plan for Superfund site in Dewey-Humboldt
Federal Register :: Endangered and Threatened Wildlife and Plants; Revised Designation of Critical Habitat for Bull Trout in the Coterminous United States
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Public Comment Open on Iron King Mine – Humboldt Smelter Clean Up - Signals AZ
Atmosphere, Free Full-Text
Toxic metal(loid) speciation during weathering of iron sulfide
Map and cross-section of Iron King Superfund site (Dewy-Humbolt, AZ).
