World Water Problems by H. L. Penman, O.B.E., F.R.S.
On January 1, 1965, an International Hydrological Decade begins. During the next ten years many countries will co-operate in collecting information, or in research projects directed towards the better management of water resources.
Dr. Penman, Chairman of the British National Committee for the Decade, outlines the idea and Britain's part in it
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