Younger, Paul L., ‎Steven A. Banwart, ‎and Robert S. Hedin. Mine Water: Hydrology, Pollution, Remediation. New York: Springer, 2002.

Younger, Paul L., ‎Steven A. Banwart, ‎and Robert S. Hedin. Mine Water: Hydrology, Pollution, Remediation. New York: Springer, 2002.