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| Langdon Pearse ."The Sewage Disposal Problem in the United States and Beyond." Journal of the Western Society of Engineers. 16 (September 1911). |
Monday, September 10, 2012
Ice Caps on Sprinkling Filters (1911)
Sunday, September 9, 2012
Daily Loss of Water (1917)
Saturday, September 8, 2012
Friday, September 7, 2012
Thursday, September 6, 2012
Wednesday, September 5, 2012
Tuesday, September 4, 2012
La Salle Street Tunnel (1888)
Monday, September 3, 2012
Sunday, September 2, 2012
Chicago Tenement Alley (1901)
Saturday, September 1, 2012
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![Daily Loss of Water 134 gallons per person represents the daily loss of water in Chicago [1917] through waste and leakage which is preventable.](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgt9roCx57eMr808j-Dyi15s3DyQYXv43PTotttvZvoXoKRKa8Uqz-SHeM5kMp36Qrw6sxpg0Qgyl-91TvfXF4lEEyr6AmxEheE6NBYo8fwrTFJIUYr3GeQp1NoaKiv4xc3MesX6ENKZIg/s1600/daily_loss_of_water.jpg)







