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Subject "Prickly Pear Creek Valley"
Assessment of the toxicity of arsenic, cadmium, lead and zinc in soil, plants, and livestock in the Helena Valley for East Helena site (ASARCO), East Helena, Montana.
By: Asarco Inc. - Black & Veatch. - CH2M Hill, inc. - United States.
Publication info: Mont.? :U.S. EPA?,1987
Contributed by: Montana State Library (archive.org)
Subjects: Effect of heavy metals on Environmental aspects Livestock Montana Plants Prickly Pear Creek Valley Soil pollution Toxicity testing