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project on Colorado Highway 91 just east of Fremont Pass <br /> was completed during the year. This project, under the <br /> auspices of the Colorado Department of Highways , disturbed <br /> approximately ten acres by constructing a large truck <br /> underpass beneath the roadbed. This underpass will allow <br /> haul trucks to move rock from the mine site to the tailing <br /> dams for stabilization and reclamation activities . <br /> RECLAMATION ACTIVITIES <br /> During the underpass construction operation, approximately <br /> 50 , 000 cubic yards of topsoil material were removed and <br /> stockpiled at Buffehrs Lake . Following construction , <br /> 4"-8" of topsoil was placed on the fill slopes, and the <br /> slopes were fertilized and seeded with the standard Climax <br /> mix. This minor revegetation activity was approved by the <br /> Colorado Department of Highways. Success or failure of <br /> this revegetation activity will be appraised at the end of <br /> the 1989 growing season and reported in the 1989 Annual <br /> Report. <br /> Reclamation work in the Arkansas Aggregate Area (Area #4 ) <br /> was completed during 1988. The remaining ten acres were <br /> topsoiled ( 4"-8" ) , fertilized ( standard Climax type and <br /> rate ) , and seeded (Climax mix) . Additional rip-rap was <br /> placed along the banks of the Arkansas River for stabil- <br /> ity . Although the acreages reclaimed during 1987 in the <br /> Arkansas Aggregate Area exhibited good growth after one <br /> growing season, two to four growing seasons are needed at <br /> the high altitudes of Climax to adequately judge reclama- <br /> tion success. <br /> DUST SUPPRESSION <br /> Dust suppression activities on the unwetted portions of <br /> the tailing ponds and dams at Climax continued during <br /> 1988 . Lower than normal snow accumulations melted early, <br /> and Coherex applications began in May and continued <br /> throughout the summer and early fall. Application rates <br /> and areas of application were similar to the 1987 period. <br /> No regulatory or citizen complaints regarding blowing dust <br /> were received during 1988. The dust suppression program <br /> will continue in 1989. <br /> ANTICIPATED 1989 ACTIVITY <br /> The following reclamation oriented activities are planned <br /> for 1989: <br /> 1. The permit amendment will be filed formally during <br /> the first half of the year. <br /> -2- <br />