Born-Digital or AnalogAnalogTranscriptSand and gravel industry. Denver Adams gravel tie-up may deal $250,000 blow to city budget. Post 0 6, 1955 p.17 Producers concerned over dwindling gravel and sand supply. Post F 26, 1961 p.lE Supply of gravel in Denver area will be gone by 1977. Western Engineer v.49 #4 Ap 1965 p.6-7 Denver's deposits being seriously depleted. Cervi's Journal F 28, 1957 p.6 Andesite will provide answer to Denver's sand and gravel shortage. Post Jy 24, 1966 p.34CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Sand and gravel industry. Denver, [545157]. Denver Public Library Digital Collections, accessed 22/01/2026, https://digital.denverlibrary.org/nodes/view/1583660
