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Scientific American, Vol. 61, No. 7 (1889) (1889)

leaf 8

An illustration from Scientific American, Vol. 61, No. 7 (1889), 1889, leaf 8
portions of the nexed cut. committee of expert engineers. has revealed an earth- - It will be observed, upon an inspection of the plan of work wherever it would not be detrimental to the em- work construction which, to all ‘intents, was equal to bankment behind it. After the slopes which are to the… … while the elay furnishes the water tightness, the gravel MAP OF CROTON RESERVOIRS. river.bed),'a width at base of about 47 feet, and a reduces the settlement, and increases the resistance of the clay to washing. total length of about. 500 feet with a uniform thickness taken of a piece of high…

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