Simulation of regional ground-water flow in the Cambrian-Ordovician aquifer system in the northern Midwest, United States - Mandle, Richard J.; Kontis, A. L.; U.S. Geological Survey (Washington : U.S. G.P.O. ; Denver, CO : For sale by Book and Open-File Report Sales, U.S. Geological Survey, 1992)
Includes bibliographical references (p. 95-97).
Keywords: Groundwater flow -- Middle West -- Simulation methods; Aquifers -- Middle West -- Simulation methods