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This hypothesis, Dean told his colleagues, would need to be tested. In 1944, Dean got his wish. That year, the City Commission of Grand Rapids, Michigan-after numerous discussions with researchers from the PHS, the Michigan Department of Health, and other public health organizations-voted to add fluoride to its public water supply the following ...
Producing from 1-3,000 gallons (about 4,000 to 12,000 liters) per day -- the larger number was achieved using separate large rubberized settling tanks -- one unit could adequately supply an infantry battalion under adverse conditions" [3] ERDLator units of several production capacities were used for field water purification during the Vietnam War.
Muddy Waters' place and date of birth are not conclusively known. He stated that he was born in 1915 at Rolling Fork in Sharkey County, Mississippi, but other evidence suggests that he was born in the unincorporated community of Jug's Corner, in neighboring Issaquena County, in 1913. [8]
William Mulholland (September 11, 1855 – July 22, 1935) was an Irish American self-taught civil engineer who was responsible for building the infrastructure to provide a water supply that allowed Los Angeles to grow into the largest city in California.
1953 was a common year starting on Thursday of the Gregorian calendar, the 1953rd year of the Common Era (CE) and Anno Domini (AD) designations, the 953rd year of the 2nd millennium, the 53rd year of the 20th century, and the 4th year of the 1950s decade.
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Water consumption was increasing, for example in Chicago the per capita water consumption was 33 gallons per day in 1856 to 144 gallons in 1882 (although this figure also includes industrial sources). This increased water consumption and the growing use of water closets overloaded the existing cesspool system and served to contaminate the ...
The project has successfully controlled flooding throughout the Missouri River basin, provided water for irrigation and municipalities, generated baseload power throughout the central US. However, the Missouri River dumped millions of cubic feet of soil into the Mississippi River every year, which, deposited the silt into the gulf and formed a ...