Born-Digital or AnalogAnalogTranscriptSAND AND GRAVEL INDUSTRY. COLORADO Gravel mining riot a county issue -- judge. RMN D 31, 1981 p.8 Flatiron Co. wins 7-year permit to mine gravel near Boulder. RMN Ja 12, 1982 p.25 Colorado Rock Co.'s plan to mine gravel in northwest Jefferson County meets opposition. RMN Ja 11, 1982 p.12 Western Paving Construction Co. ordered to cut gravel traffic. RMN Ap 22, 1982 p.15CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
SAND AND GRAVEL INDUSTRY. COLORADO, [545146]. Denver Public Library Digital Collections, accessed 07/12/2025, https://digital.denverlibrary.org/nodes/view/1583634