River and Canal Engineering, the characteristics of open flowing streams, and the principles and methods to be followed in dealing with them. — 1. Rainfall Statistics.—The mean annual rainfall varies very greatly according to the locality. In England it varies fro

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River and Canal Engineering, the characteristics of open flowing streams, and the principles and methods to be followed in dealing with them. 1. Rainfall Statistics.—The mean annual rainfall varies very greatly according to the locality. In England it varies fro · ch 7/78

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