Born-Digital or AnalogAnalogTranscriptColorado air pollution variance board Upholds ban on open burning at city dumps. post S 3, 1971 p.26 Extends deadlines for air pollution controls on three public service company plants. RMN U 22, 1972 p.5 Lowry Field is allowed to burn coal in a boiler-.when and if natural gas is discontinued, however coal burning boiler must be "Cleared up" by 1977. RMN Ja 17, 1975 p.34 Agency grants variance for two power plants. IMN F 21, 1975 p.14 0CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Colorado air pollution variance board, [191376]. Denver Public Library Digital Collections, accessed 12/08/2026, https://digital.denverlibrary.org/nodes/view/1535458
