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<br />I GENERAL PROJECT INFORMATION <br />a. Project Location <br />The Parkdale Quarry mining operation is located in the Southeast 1/4 of Section 11, South %z of Section <br />12, and portions of Sections 13 and 14, Township 18 South, Range 72 West, of the 6th P.M., in Fremont <br />County, Colorado. The site is bordered by the Arkansas River on the South, and is nearly bisected by <br />Tallahassee Creek. Refer to the attached Vicinity Map within Appendix A and Drainage Plan within <br />' Appendix B for more detailed illustrations of the site and the surrounding area. <br />b. Property Description <br />The Parkdale Quarry is located approximately 11 miles west of Canon City in Fremont County, <br />Colorado. The site is accessed from U.S. Highway 50 via Fremont County Road 157. The permit area <br />encompasses approximately 513 acres and includes mining and processing areas, internal haul roads, <br />and railways. There are three distinct mining areas on the site. A sand and gravel mining pit is located <br />on the gravel bar between Tallahassee Creek and the Arkansas River and granite and sandstone quarry <br />' sites are located north of Tallahassee Creek. The existing processing facility is located on the gravel bar <br />adjacent to the sand and gravel mining pit. Areas within the existing permit boundary not currently <br />' being mined can generally be described as undisturbed, dry pasture. <br />Surface water resources on the site include irrigation ditches and Tallahassee Creek and some of its <br />ephemeral tributaries. The Arkansas River is adjacent to the southern boundary of the project site, with <br />the confluence of Tallahassee Creek and the Arkansas River immediately southeast of the site. <br />Tallahassee Creek, within the permit area, is ephemeral and only flows in response to storm events and <br />periods of significant snowmelt. <br />The Parkdale Quarry is an aggregate mining operation permitted for the production of construction <br />' materials. There are three principal mining areas on the site including a sand and gravel alluvial deposit <br />and granite and sandstone bedrock outcrops. The current mining plan includes excavation of deposits in <br />all three areas. The proposed amendment includes mining below groundwater for which dewatering of <br />the deposits will occur as necessary. <br />The general gradation of the sand and gravel alluvial deposit can be described as fine to medium grained <br />sand to very coarse cobble, including boulders up to several feet in diameter. The deposit extends to <br />over 60 feet in depth with the groundwater interface found approximately 40 feet below the surface. <br />The bedrock materials are composed of relatively tight granite and sandstone formations, and will serve <br />' as the vertical control for the sand and gravel mining. <br />The original permit proposed a reclamation plan of open space and dry land pasture. This amendment <br />proposes to reclaim the sand and gravel mining area as a dry basin sealed with a clay liner, and with <br />sloped embankments. The hole will be built with a clay liner designed to meet the criteria for a lined <br />water storage vessel. <br />The existing permit contains a granite quarry, located on the opposite side (north) of Tallahassee Creek. <br />The original permit proposed a mining depth of elevation 5,780 feet and a reclamation plan <br />' Parkdale Quarry Drainage Report Fremont Count File No. CUP 07-003