Holidays. Labor Day Northglenn, Colorado plans annual celebration. RMN Ag 19, 1966 p.49 Labor Day activities on the South Platte River in Denver. ON S 7, 1976 p.5 Post S 7, 1976 p.3 "Anything that Floats" on South Platte River popular way to celebrate holiday in Denver area. Post S 6, 1977 p.23 RMN S 6, 1977 p.5 Denver will have Labor Day parade to celebrate 100th anniversary of Denver Area Labor Federation. RMN Je 19, 1982 p.69
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