Taylor, George C.
Historical review of the international water resources program of the U.s. Geological survey 1940 -70 - Washington U.S. D. I. 1976 - 146 p.
930.23 T19H
Historical review of the international water resources program of the U.s. Geological survey 1940 -70 - Washington U.S. D. I. 1976 - 146 p.
930.23 T19H