Search Results for the EPA National Library Catalog

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Your Search: (SUBJECT=Montana Prickly Pear Creek Valley.)

 
 
 

Select Item Title Year Published
Assessment of the toxicity of copper, mercury, selenium, silver and thallium in soil and plants in the Helena Valley of Montana for East Helena site (ASARCO), East Helena, Montana. 1987
Helena Valley, Montana, area environmental pollution study : summary. 1971
Helena Valley, Montana, area environmental pollution study. 1972

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