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Filtering by: Subject Electric power-plants -- United States Creator Walsh, Natalie

The effect of low-level sulfur dioxide on sensitive vegetation : a background document for use in assessing air quality redesignation for primitive areas as required by the Clean Air Act Amendments of 1977 (P.L. 95-95)

Creator:

Walsh, Natalie, Carlson, Clinton E., and United States. Forest Service. Northern Region. State & Private Forestry

Resource Type:

Technical Report

Full Text:

• • • • • • • -8- • • • 4111 CONCLUSION • Plant communities are in a state of dynamic equilibrium with their
Impact of copper smelter emissions on two subalpine ecosystems near Anaconda, Montana : preliminary report

Creator:

Walsh, Natalie, Bissell, Gael, and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Preliminary analysis of data from this study in the mountains southwest of the Anaconda Copper Smelter, an industrial source of SO2 and heavy metal particulate, reflects a complex pattern of pollutant impact. The differential effect of smelter emissions on plant life in the study area is best explained by the...

Resource Type:

Technical Report

Full Text:

• FOREST SERVICE • NORTHERN REGION State & Private Forestry • Missoula, MT 59801 3450 Report No. 79-7