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E. H. L. Corwin
JAMA. 1931;97(25):1911-1912. doi:10.1001/jama.1931.02730250069037.
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To the Editor:  —Lack of proper methods of street cleansing and of the removal of waste detracts from the appearance of the city and invites negligence on the part of the public. It carries in its trend more important consequences than unsightliness and the pollution of bay waters. The open garbage can is a feeding place for insects and rodents and thereby contributes indirectly to the transmission of many diseases of which flies, vermin and rats are carriers. Improper sweeping results in filling the air with dust, as does the practice of dumping ash cans into open carts. Other deleterious elements in the air one breathes in the city are the carbon monoxide from the exhaust of automobiles, the smoke and soot which come from the chimneys of buildings and from stacks of boats plying in the city waters, the mineral dust that comes from building operations and from the


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