POLLUTION AIR pollution. Denver City now enforcing air pollution law. Post May 3, 1961 p.2 James C. Martin, air pollution expert & engineer, hired by Denver. Post, July 5, 1961, p.39 Leonard Dobler to serve as air polution engineer as full- time city employee. RMN, August 13, 1961, p.24 )enver area air pollution critical, committee reports. Post Sept. 20, 1961 p.3 Study gets $5,000 grant from Denver U.S. National Bank. Post Sept. 27, 1961 p.13 Automobiles contribute to air pollution. Post, October 28, 1961, p.8
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