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• (Page 2) • <br />MINE ID # OR PROSPECTING ID # M-77-534 <br />INSPECTION DATE 6-14-96 INSPECTOR'S INITIALS GSC <br /> OBSERVATIONS <br />This was a monitoring inspection conducted with Mr. LeRoy Marquez, President of Mountain <br />Aggregates. Mr. Don McQuillen, the mine superintendent, w as also present. The 118 acre <br />permit area is located on the wes t side of Empire and along the south side of Clear Creek. <br />The permit consists of two phases which are being reclaimed concurrent with mining. The <br />permit boundary is well marked with posts and fences. <br />PHASE I: Mining in Phase I is nearly completed. Gravel is being excavated from the south <br />side of the pit and the operator plane to complete mining in the remainder of the northern <br />side this year. The pit floor consists of a narrow, water filled pit surrounded by a wide, <br />dry bench above the groundwater table. In the past, the northern pit wall had encroached <br />too closely to the north to allow for simple cut and fill grading of the slope. Thie area <br />is being backfilled to achieve the 3:1 slope ratio required in the reclamation plan. The <br />western end of the pit has been sloped to 3:1 and re-seeded and the resultant vegetative <br />cover is becoming well established. Topsoil is stockpiled in the southern side of the pit. <br />PHASE II: A topsoil stockpile of approximately 36,000 cu. yds. is located along the northern <br />permit boundary. It is stabilized with a thick growth of vegetation. The six settling ponds <br />were observed. Mr. Marquez explained that no water is discharged from these ponds as all <br />process water is re-circulated to the wash plan. The ponds are usually cleaned out in the <br />winter and the fines are used ae pit backfill. According to the operator, no additional <br />mining is planned for this area. <br />PLANT SITE: There is a crusher and wash plant and an asphalt batch plant owned by Roaring <br />Forks Concrete. <br />I & E Contact Address cc: Carl Mount, DMG <br /> ^ CE <br />NAME LeRov Marquez ^ BL <br />OPERATOR Mountain Aggregates, Inc. ^ FS <br />STREET P.O. Box 535 ^ HW <br />CITY/STATE/ZIP Castle Rock, CO 80104 ^ HMWMD (CH) <br /> ^ SE <br /> ^ WQCD (CH) <br /> ^ OTHER <br />