PolLution. Air pbllution. Denver Smoke nuisance in Denver is worse because of poor coal. Times Jul. 7, 1898 p.4 c.l Times Jul. 11, 1898 p.8 c.l Times,,!Jul. 15, 1898 p.ll c.l A menace to the city's health. Times Jul. 22, 1898 p.5 c.l Smoke ordinance signed by mayor. Times Aug. 9, 1898 p.2 c.5
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