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A flow-simulation model of the tidal Potomac River /
Published 1987“…Washington : United States Government Printing Office. …”
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Statistical analysis of surface water-quality data in and near the coal-mining region of Southwestern Indiana, 1957-80 /
Published 1987“…Washington : United States Government Printing Office, Department of the Interior,…”
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The effects of boundary conditions on the steady-state response of three hypothetical ground-water systems-results and implications of numerical experiments /
Published 1987“…Washington, DC : United States Government Printing Office. …”
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Methods and computer program documentation for determinimg anisotropic transmissivity tensor components of two-dimensional ground-water flow /
Published 1987“…Washington, DC : United States Government Printing Office.Department of the interior,…”