Issue 21 and Volume 1895 16.

CHICAGO WATER WORKS. SUPPLIES at Chicago prior to 1854 were furnished by the Chicago Hydraulic Company, a private corporation, and since 1854 from the city works finished that year. The first works consisted of an eighteen-inch intake, extending from a crib in the lake 700 feet to a pump well fifteen feet deep, from which the pumps forced the water through several miles of small wood pipe. In 1851 the Chicago City Hydraulic company was incorporated and completed works in 1854. In 1861 the works were placed under the control of a board of public works. March 4 of that year the construction of the first lake tunnel was begun and was finished three years later. The second was built from 1872 to 1874 and a third has been constructed since then. Beside there are two land tunnels. Tables elsewhere give the capacity of these tunnels in detail. Up to…

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