Abstract:The Authors, in introducing their Paper, apologized for certain omissions and errata.On p. 14, 3 38, reference was made to the 1952 scheme. This, of course, should read 1962. Owing to a misunderstanding, Fig. 1 was incorrectly titled. The caption should have been 'Sketch map of West Pakistan'.66. The text explained how annual aerial surveys of the river were taken. These surveys extended over a length of about 20 miles. The Authors had hoped to show a photomosaic prepared from the 1965 survey to illustrate the… Show more
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