Regional Aquifer-System Analysis Program of the U.S. Geological Survey, 1978-1992 /
Sun, Ren Jen.
Johnston, Richard H.
National Regional Aquifer Systems Analysis Program (U.S.)
Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Map Distribution,
1994.
Shipping list no.: 95-0020-P.
"U.S. Department of the Interior, U.S. Geological Survey"--T.p. verso.
Includes bibliographical references (p. 119-126).
Aquifers