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WORWEST <br /> C O R P O R A T I O N <br /> to provide little value to the characterization. Water levels will be measured at least <br /> monthly from all zones. Most of the zones are instruments with pressure transducers to <br /> record water levels, and the data loggers will be downloaded on a quarterly basis. GPS <br /> coordinates, elevation, and photo documentation will also be collected at each <br /> groundwater location during the initial visit and recorded in the field book. Well sampling <br /> field forms, located in Attachment A, will also be used during each sampling event. <br /> 1.1.1 Site Hydrology <br /> Little Turkey Creek flows northwest to southeast through the proposed quarry area <br /> before flowing southeast under Highway 115 and into Turkey Creek. Turkey Creek's <br /> channel continues south approximately 25 miles until its confluence with the Arkansas <br /> River upstream from Pueblo, Colorado. The Little Turkey Creek watershed extends <br /> approximately 5 miles to the west of the project area with a maximum elevation of <br /> 10,132' msl, and this area is approximately 5.9 square miles. The Little Turkey Creek <br /> drainage crosses under Highway 115 at an elevation of approximately 6,500' msl. <br /> Turkey Creek flows into a portion of the Arkansas River that is classified as the Upper <br /> Arkansas. The Upper Arkansas is assigned a hydrologic unit code (HUC) of 11020002. <br /> The United States is divided and sub-divided into successively smaller hydrologic units <br /> which are classified into four levels: regions, sub-regions, accounting units, and <br /> cataloging units, with each hydrologic unit identified by a unique code (USGS, 2016) as <br /> characterized below: <br /> • Region— 11 Arkansas-White-Red Region <br /> • Sub-region— 1102 Upper Arkansas: The Arkansas River Basin above its <br /> intersect with the Colorado-Kansas state Line <br /> • Accounting Unit— 110200 Upper Arkansas. Colorado, Kansas,New Mexico. <br /> • Cataloging Unit— 11020002 Upper Arkansas <br /> 1.1.2 Site Hydrogeology <br /> There are two groundwater systems in the Hitch Rack Ranch area. The thrust fault east <br /> of the quarry pit boundaries separates the elevated basement rocks in the west from the <br /> lower-elevation sedimentary units to the east of the faulting. <br /> Underlying the eastern portion of the Hitch Rack Ranch and separated from the mining <br /> area is the Fountain Formation that begins immediately below the top soil and extends <br /> several hundred feet below ground. An aquifer exists in the sandstone material which <br /> TRANSIT MIX CONCRETE CO. <br /> SURFACE WATER AND GROUNDWATER MONITORING PLAN <br /> 1-2 <br />