Born-Digital or AnalogAnalogTranscriptDenver. Viaducts. 16th Street Closed. Post Dec. 4, 1911 p.11 New viaduct to be built. Post Sept. 4, 1921 p.33 Called unsafe. May be closed to street car traffic. Post Sept. 10, 1921 p.7 Engineer H. S. Crocker reports on condition. Post Sept. 11, 1921 p.8 City Council orders estimates for new viaduct. Post Sent. 20, 1921 p.10 Unsafe for combined vehicle and tram traffic. Post Sept. 22, 1921 p.12CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng