QUARRIES. COLORADO Jefferson County may change site of proposed quarry from Clear Creek Canyon to Golden Gate . FM 0 2, 1986 p.10 Proposed Red Mesa quarry threatens SDI research at Martin Marietta. RM 0 29, 1987p.8 Residents oppose quarry planned by Denver Technological Center near Deer Creek Canyon. IM N 4, 1987 p.19 Martin Marietta opposes DTC quarry planned for southwest Jefferson County. ft N 18987 p.39
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