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Book Synopsis Chemical Characteristics, Including Stable-isotope Ratios, of Surface Water and Ground Water from Selected Sources in and Near East Fork Armells Creek Basin, Southeastern Montana, 1985 by : Rodger F. Ferreira
Download or read book Chemical Characteristics, Including Stable-isotope Ratios, of Surface Water and Ground Water from Selected Sources in and Near East Fork Armells Creek Basin, Southeastern Montana, 1985 written by Rodger F. Ferreira and published by . This book was released on 1989 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis CHEMICAL CHARACTERISTICS, INCLUDING STABLE-ISOTOPE RATIOS, OF SURFACE WATER AND GROUND WATER FROM SELECTED SOURCES IN AND NEAR EAST FORK ARMELLS CREEK BASIN, SOUTHEASTERN MONTANA by :
Download or read book CHEMICAL CHARACTERISTICS, INCLUDING STABLE-ISOTOPE RATIOS, OF SURFACE WATER AND GROUND WATER FROM SELECTED SOURCES IN AND NEAR EAST FORK ARMELLS CREEK BASIN, SOUTHEASTERN MONTANA written by and published by . This book was released on 1989 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water-resources Investigations Report by :
Download or read book Water-resources Investigations Report written by and published by . This book was released on 1995 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geochemical Processes in Ground Water Resulting from Surface Mining of Coal at the Big Sky and West Decker Mine Areas, Southeastern Montana by : David Wayne Clark
Download or read book Geochemical Processes in Ground Water Resulting from Surface Mining of Coal at the Big Sky and West Decker Mine Areas, Southeastern Montana written by David Wayne Clark and published by . This book was released on 1995 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
A potential hydrologic effect of surface mining of coal in southeastern Montana is a change in the quality of ground water. Dissolved-solids concen- trations in water in spoils aquifers generally are larger than concentrations in water in the coal aquifers they replaced; however, laboratory experiments have indicated that concentrations can decrease if ground water flows from coal-mine spoils to coal. This study was conducted to determine if decreases in concentrations occur onsite and, if so, which geochemical processes caused the decreases. Solid-phase core samples of spoils, unmined over- burden, and coal, and ground-water samples were collected from 16 observation wells at two mine areas. In the Big Sky Mine area, changes in ground- water chemistry along a flow path from an upgradient coal aquifer to a spoils aquifer probably were a result of dedolomitization. Dissolved-solids concentrations were unchanged as water flowed from a spoils aquifer to a downgradient coal aquifer. In the West Decker Mine area, dissolved-solids concentrations apparently decreased from about 4,100 to 2,100 milligrams per liter as water moved along an inferred flow path from a spoils aquifer to a downgradient coal aquifer. Geochemical models were used to analyze changes in water chemistry on the basis of results of solid-phase and aqueous geochemical characteristics. Geochemical processes postulated to result in the apparent decrease in dissolved-solids concentrations along this inferred flow path include bacterial reduction of sulfate, reverse cation exchange within the coal, and precipitation of carbonate and iron-sulfide minerals.
Book Synopsis Geochemical Processes in Ground Water Resulting from Surface Mining of Coal at the Big Sky and West Decker Mine Areas, Southeastern Montana by : David W. Clark
Download or read book Geochemical Processes in Ground Water Resulting from Surface Mining of Coal at the Big Sky and West Decker Mine Areas, Southeastern Montana written by David W. Clark and published by . This book was released on 1995 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: A potential hydrologic effect of surface mining of coal in southeastern Montana is a change in the quality of ground water. Dissolved-solids concen- trations in water in spoils aquifers generally are larger than concentrations in water in the coal aquifers they replaced; however, laboratory experiments have indicated that concentrations can decrease if ground water flows from coal-mine spoils to coal. This study was conducted to determine if decreases in concentrations occur onsite and, if so, which geochemical processes caused the decreases. Solid-phase core samples of spoils, unmined over- burden, and coal, and ground-water samples were collected from 16 observation wells at two mine areas. In the Big Sky Mine area, changes in ground- water chemistry along a flow path from an upgradient coal aquifer to a spoils aquifer probably were a result of dedolomitization. Dissolved-solids concentrations were unchanged as water flowed from a spoils aquifer to a downgradient coal aquifer. In the West Decker Mine area, dissolved-solids concentrations apparently decreased from about 4,100 to 2,100 milligrams per liter as water moved along an inferred flow path from a spoils aquifer to a downgradient coal aquifer. Geochemical models were used to analyze changes in water chemistry on the basis of results of solid-phase and aqueous geochemical characteristics. Geochemical processes postulated to result in the apparent decrease in dissolved-solids concentrations along this inferred flow path include bacterial reduction of sulfate, reverse cation exchange within the coal, and precipitation of carbonate and iron-sulfide minerals.
Book Synopsis A Competitive Assessment of the U.S. Solid Wood Products Industry by :
Download or read book A Competitive Assessment of the U.S. Solid Wood Products Industry written by and published by . This book was released on 1984 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Publications of the U.S. Geological Survey by :
Download or read book New Publications of the U.S. Geological Survey written by and published by . This book was released on 1990 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Publications of the Geological Survey by : Geological Survey (U.S.)
Download or read book New Publications of the Geological Survey written by Geological Survey (U.S.) and published by . This book was released on 1990 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Publications of the U.S. Geological Survey by : Geological Survey (U.S.)
Download or read book New Publications of the U.S. Geological Survey written by Geological Survey (U.S.) and published by . This book was released on 1990 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1990 with total page 1162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
