Cyanide Spring
http://docs.google.com/gview?a=v&q=cache%3AjhnVFihd7EQJ%3Awww.nwmtgoldprospectors.com%2Fdownloads%2Fcyanide.pdf+Cyanide+Spring+hocker&hl=en&gl=us&pli=1

Philip M. Hocker

This article discusses heap-leach mining of gold, the toxicity of cyanide, and problems that may occur from the use of cyanide in heap-leach mining. The webpage also includes information about how to prevent environmental damage, and address whether cyanide and heap-leaching can be environmentally safe.

This resource is referenced here:

• Integrating Research and Education:Impacts on Native Lands:Fort Belknap: Environmental Impacts

Subject: Biology, Geoscience:Geology, Environmental Science:Mineral Resources:Mining, Environmental Science:Waste:Toxic and Hazardous Wastes
Resource Type: Scientific Resources:Overview/Reference Work
Topics: Earth surface, Biosphere