Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 407
THE WATER SUPPLY OF MINNEAPOLIS. 333 1899 and 1900, over 50 per cent, of typhoid came from the use of well water. The action of the Board of Health in closing these infected wells has diminished the return from this source. In February, 1904, a commission, consisting of Messrs. Cap- pelen, Rinker… … the commission to make certain analyses. The results of these analyses have been incorporated in the accompanying charts. Chart No. 2 shows the relative number of bacteria in river water and in the same water after being allowed to sediment in the reservoirs. From this it is seen that sedimentation…
Engineering
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