Water-quality, bed-sediment, and biological data (October 1994 through September 1995) and statistical summaries of data for streams in the upper Clark Fork basin, Montana

Dodge, K. A.; Hornberger, M. I.; Axtmann, E. V.

Abstract:

Water, bed sediment, and biota were sampled in streams from Butte to below Missoula as part of a program to characterize aquatic resources in the upper Clark Fork basin of western Montana. Sampling stations were located on the Clark Fork and major tributaries. Water-quality data were obtained periodically at 16 stations during October 1994 through September 1995 (water year 1995). Data for twelve bed-sediment and eleven biological stations were obtained in August 1995. The primary constituents analyzed were trace elements associated with mine tailings from historical mining and smelting activities. Water-quality data include concentrations of major ions, trace element, and suspended sediment in stream samples collected periodically during water year 1995. Daily values of streamflow, suspended- sediment concentrations in the fine-grained and bulk fractions. Biological data include trace- element concentrations in whole-body tissue of aquatic benthic insects. Quality-assurance data are reported for analytical results of water, bed sediment, and biota. Statistical summaries of water-quality, bed-sediment, and biological data are provided for the period of record at each station since 1985.

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USGS Numbered Series

ProdID:

22891

Citation Author:

Dodge, K. A.; Hornberger, M. I.; Axtmann, E. V.

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ENGLISH

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iv, 109 p. :ill. ;28 cm.

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U.S. Geological Survey ; Branch of Information Services [distributor],

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Open-File Report

Citation Series Code:

OFR

Citation Series Number:

96-432

Citation Search Results Text:

Water-quality, bed-sediment, and biological data (October 1994 through September 1995) and statistical summaries of data for streams in the upper Clark Fork basin, Montana; 1996; OFR; 96-432; Dodge, K. A.; Hornberger, M. I.; Axtmann, E. V.