마이크로자료
Simulated ground-water flow in the Potomac aquifers, New Castle County, Delaware / y Mary M. Martin
표제/저자사항 Simulated ground-water flow in the Potomac aquifers, New Castle County, Delaware / y Mary M. Martin / y Mary M. Martin
발행사항 Towson, Md.: U.S. Dept. of the Interior, U.S. Geological Survey; Denver, Colo.: Open-File Services Section, Western Distribution Branch, U.S. Geological Survey, 1984
형태사항 vii, 85 p.: ill., maps; 28 cm
총서사항 (U.S. Geological Survey water-resources investigations report; 84-4007)
주기사항 One map on folded leaf in pocket.
"December 1984."
Bibliography: p. 84-85.
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