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Iron King Mine and Humboldt Smelter | Site Repository

Superfund | Iron King Mine - Humboldt Smelter Site

Site Repository

Revised On: Nov. 21, 2023 - 8:14 p.m.

The complete official site file can be reviewed at:

Official repository:

EPA Region IX
Records Center
Mail Stop SFD-7C
95 Hawthorne St.
Room 403
San Francisco, CA 94105

Local repository:

Dewey-Humboldt Town Library
2735 N. Corral St.
Dewey-Humboldt, AZ 86329


Interested parties can review site information in person at the ADEQ Record Center | Learn More >

Site Documents: