- West Shasta Copper - Zinc Mining District
| Nordstrom, D. K. and Alpers, C. N. (1999): Negative pH, efflorescent mineralogy, and consequences for environmental restauration at the Iron Mountain Superfund site, California. Proc. Natl. Acad. Sci., USA 96, 3455-3462. Mineralogical Record 22:381-382 |