Flatiron-: companies Boulder will annex 450 acres and could allow Flatirons companies to mine for gravel on the property, Post S 26, 1975 p,44 Boulder City Council approved plans for a highly controversial gravel mining operation by Flatiron Companies at the southern entrance to the city. R14N D 10, 1975 p.26 Post D 10, 1975 p.21 Profile of president, Harold Short. Post O 30, 1977 p.IE Wins 7-year permit to mine gravel near Boulder. RMN Ja 12, 1982 p.25
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