The book Reports On the Calaveras Dam And Spillway was written by author San Francisco Spring Valley Water Company Here you can read free online of Reports On the Calaveras Dam And Spillway book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Reports On the Calaveras Dam And Spillway a good or bad book?
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In fact, judging from rainfall records and flood damages, it seems probable that still heavier floods were discharged in 1916. Actual flood data are, however, so meager that we must consider also the far more abundant data of rainfall. In considering flood flows based on rainfall, it must be remembered that the peak flood in a day may be much more intense than the rainfall that creates it, and that the runoff in 24 hours may be greater than the maximum 24-hour rainfall of a given storm when the... storm lasts for several days. A few rainfall records in California extend back about 66 years. The official records of the U. S. Signal Service began in 1871. The work was taken over by the Weather Bureau in 1896, since which date the number of stations has been gradually increased. It is evident that the records available are brief and incomplete, and it is hardly possible that they in any place show either the maximum or the minimum that must be expected in the course of time and which may occur at any time when all the factors happen to become favorable to extreme conditions.
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