Analysis of regional aquifers in the central midwest of the United States in Kansas, Nebraska, and parts of Arkansas, Colorada, Missouri, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming-summary / by Donald G. Jorgensen...[et al.] - Washington: U.S. Government Printing Office, 1996 - vii, 67 p. : ill. maps (some col.); 29 cm. - Regional aquifer-system analysis-Central Midwest U.S. Geological survey professional paper 1414-A .

Refrences: p.65-67

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