erovnuli-samecniero-biblioteka Search for 'au:"Otton, E. G."'

Ground water resources of the Sioux Falls area, South Dakota.

By South Dakota Geological Survey.
Vermillion, University of South Dakota, 1947 .
2 pts. (iii, 108 p., 1 l.) , At head of title: State of South Dakota. State Geological Survey. | "Published in cooperation with the United States Geological Survey."

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Geology and ground-water resources of the London area, Kentucky, by E.G. Otton. Prepared in cooperation with the Geological Survey, U.S. Department of the Interior.

By Kentucky..
[Lexington?] 1948 .
47 p. 27 cm..

]]> Place hold on Geology and ground-water resources of the London area, Kentucky, by E.G. Otton. Prepared in cooperation with the Geological Survey, U.S. Department of the Interior.