River and Canal Engineering, the characteristics of open flowing streams, and the principles and methods to be followed in dealing with them. — 6. Practical Formulæ and Figures.—A stream which carries silt generally rolls materials along its bed. The proportion be

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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. 6. Practical Formulæ and Figures.—A stream which carries silt generally rolls materials along its bed. The proportion be · ch 23/78

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