Notes: | Title from envelope. At head of title: Department of the Interior, United States Geological Survey ; University Extension--The University of Wisconsin Geological and Natural History Survey. Includes text and ill. (some col.). Components: Sheet 1. Introduction ; Physical setting ; Water cycle ; Water budget -- Sheet 2. Surface water -- Sheet 3. Ground-water/surface-water relationships ; Ground water -- Sheet 4. Water use ; Potential water use for irrigation ; Summary. "Selected references": sheet 4.
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