Preliminary Digital Model of Ground-water Flow in the Madison Group, Powder River Basin and Adjacent Areas, Wyoming, Montana, South Dakota, North Dakota, and Nebraska

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Preliminary Digital Model of Ground-water Flow in the Madison Group, Powder River Basin and Adjacent Areas, Wyoming, Montana, South Dakota, North Dakota, and Nebraska

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Hydrogeology and Simulation of Water Flow in Strata Above the Bearpaw Shale and Equivalents of Eastern Montana and Northeastern Wyoming

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The Impact of an Accelerated Coal-based Synfuels Program on Western Water Resources

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Geological Survey Professional Paper

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U.S. Geological Survey Professional Paper

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Water-resources Investigations Report

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Geohydrology and Water Quality of the Inyan Kara, Minnelusa, and Madison Aquifers of the Northern Black Hills, South Dakota and Wyoming, and Bear Lodge Mountains, Wyoming

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Water Resources of Weston County, Wyoming

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Hydrology of Area 48, Northern Great Plains and Rocky Mountain Coal Provinces, Montana and Wyoming

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