Born-Digital or AnalogAnalogTranscriptPortland cement company one of great industrial establishments of state, located at Portland, Colorado. Time:, N 17, 1902 aec.2 p.6 c.2 Times N 20, 1902 p.12 Cement works in full operation. Times D 22, 1902 p.9 Ground broken for clubhouse for cement workers. Times D 24, 1902 p.4 Works east of Florence closed down; larger business for new plant. Times F 9, 1903 p.9 Times F 25, 1903 p.10CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
