U.S. Geological Survey

Chemical and Mineralogical Characteristics and
Acid-Neutralizing Potential of
Fresh and Altered Rocks and Soils of the
Boulder River Headwaters in
Basin and Cataract Creeks of
Northern Jefferson County, Montana

By George A. Desborough, Paul H. Briggs,
and Nilah Mazza

U.S. Geological Survey Open-File Report 98-0040

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For more information about this report contact George Desborough at gdesboro@usgs.gov