|Mar., 1897| 1270 | 3.48 | 2.32 | 1.50 | 18.7 | 68 |Mar., 1898| 1320 | 3.60 | 2.32 | 1.54 | 20.2 | 65 Utrecht |Dec., 1896| 510 | 1.40 | 0.60 | 2.33 | 31 | 16 Zürich |Dec., 1891| 2010 | 5.50 | 0.84 | 6.50 | 8 | 250 |Dec., 1892| 2150 | 5.90 | 0.84 | 7.00 | 10 | 215 |Dec., 1893| 2310 | 6.38 | 1.19 | 5.35 | 13 | 177 |Dec., 1894| 2250 | 6.15 | 1.19 | 5.18 | 17 | 133 |Dec., 1895| 2460 | 6.70 | 1.19 | 5.62 | 27 | 91 |Dec., 1896| 2360 | 6.45 | 1.66 | 3.88 | 30 | 79 |Dec., 1897| 2500 | 6.84 | 1.66 | 4.13 | 35 | 71 |Dec., 1898| 2730 | 7.50 | 1.66 | 4.50 | 47 | 58 --------------+----------+---------+-------+-------+---------+-------+---------- PARTIAL LIST OF CITIES USING SAND FILTERS. -------------------+------------------+--------+--------+------------ | When |Population.| Area | Number | Average Place. |Built.| 1890. | of | of | Daily | | |Filters.|Filters.|Consumption. -------------------+------+-----------+--------+--------+------------ UNITED STATES. Poughkeepsie. N. Y.| 1872 | 24,000 | 1.36 | 3 | 1.67 Hudson, N. Y. | 1874 | 9,970 | 0.74 | 2 | 1.50 St. Johnsbury, Vt. |187(?)| 3,857 | 0.14 | 3 | 0.70 Nantucket, Mass. | 1893 | 3,268 | 0.11 | 1 | 0.09 Lawrence, Mass. | 1893 | 44,654 | 2.50 | 1 | 3.00 Ilion, N. Y. | 1893 | 4,057 | 0.14 | 2 | 0.50 Mount Vernon, N. Y.| 1894 | 10,830 | 1.10 | 3 | 1.66 Grand Forks, N. D. | 1894 | 4,979 | 0.42 | 1 | .... Milford, Mass. | 1895 | 9,956 | 0.25 | 1 | 0.70 Ashland, Wis. | 1895 | 9,956 | 0.50 | 3 | 1.09 Hamilton, N. Y. | 1895 | 1,744 | 0.12 | 1 | 0.03 Lambertville, N. J.| 1896 | 4,142 | 0.28 | 2 | 0.25 Far Rockaway, N. Y.| 1896 | 2,288 | 0.92 | 2 | 0.93 Red Bank, N. J. | 1897 | 500 | 0.03 | 2 | 0.10 Somersworth, N. H. | 1897 | 6,207 | 0.50 | 1 | .... Little Falls, N. Y.| 1898 | 8,783 | 0.76 | 1 | .... Berwyn, Penna. | 1898 | 826 | 0.52 | 3 | .... Harrisburg, Penna. | 1899 | 1,200 | 0.12 | 2 | 0.15 Albany, N. Y. | 1899 | 94,923 | 5.60 | 8 | 11.00[54] Rock Island, | 1899 | 13,634 | 1.20 | 3 | 3.50 Illinois | | | | | +------+-----------+--------+--------+------------ Total | | 259,774 | 17.31 | 45 | 26.87 BRITISH COLUMBIA. Victoria | | 16,841 | 0.82 | 3 | 1.80