Born-Digital or AnalogAnalogTranscriptPortland cement company 8 killed in explosion at Portland cement works. Post Jan. 4, 1911 p.5 Held to blame. Post Jan. 18, 1911 p.3 Plant to produce alumina. Mining World v.8 #+ p.89 Article on company. RMN Jan. 1, 1905 p.8 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
