Gordon R. Toevs

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Accurate and timely information on the condition and trend of natural resources is crucial for making effective management decisions. Within the Bureau of Land Management (BLM), as in many land management agencies throughout the world, much effort is invested in monitoring for and assessing specifi c management needs. Because these specifi c management(More)
Mining activity along the South Fork of the Coeur d' Alene River in northern Idaho has resulted in fluvial mine tailings enriched in Pb, As, Ag, Sb, Hg, Cd, and Zn deposited on the lakebed of Lake Coeur d'Alene, thus serving as a potential benthic source of inorganic contaminants. Our objective was to characterize the dominant solid phase materials and(More)
Arsenic-containing minerals mobilized during mining activities and deposited to Lake Coeur d'Alene (CDA), Idaho sediments represent a potential source of soluble As to the overlying water. Our objective was to delineate the processes controlling porewater As concentrations within Lake CDA sediments. Sediment and porewater As concentrations were determined,(More)
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