Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Finite-difference interblock transmissivity for unconfined aquifers and for aquifers having smoothly varying transmissivity / 1992
Selected reports that include computer programs produced by the U.S. Geological Survey for simulation of ground-water flow and quality 1988
Status of ground-water modeling in the U.S. Geological Survey 1976
Summary of selected computer programs produced by the U.S. Geological Survey for simulation of ground-water flow and quality, 1994 / 1994

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