Born-Digital or AnalogAnalogTranscriptLabor Colorado alien ban on labor open up 1,325 jobs. Post, April 21, 1936 p.1. City gasses union wage printing bill. News, March 8, 1938 p.9. City council scores labor vandalism. 1938 2x000 workers imported by refineries, Governor Ammons discloses. News, May 21, 1938 p.1. Denver union ordered ended. News, May 23, 1938 p.i.CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng