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<br />SW Bleeder Shah Access Roads consisted of "pit run" sands and gravels which classified as GM to GC <br />soils in accordance with the Unified Soil Classification System. <br />The subgrade soils eacotmtered beneath the road base in the existing roadways and beneath the topsoil <br />layer in the proposed roadways generally consisted of clays; however, silts were also encountered along <br />portions of the Fish Creek Borehole Access Road and the West Escape Shah Access Road. The clays <br />were nil to very sandy, silty to gravelly, low to highly plastic, soft to very stiff, moist to very moist, brown <br />to dark brown in color. The clays generally classified as CL to CH soils in accordance with the Unified <br />Soil Classification System. The silts were sandy to gravelly, low plastic, stiff, slightly moist and light <br />brown in color. The silts classified as ML soils in accordance with [be Unified Soil Classification <br />System. The clays and silts will generally provide poor [o fair subgrade support for the pavement <br />sections. <br />Free groundwater was not encountered in any of the test holes at the time of drilling; however, the test <br />holes were backfilled immediately upon completion of [he drilling or excavation. <br />The road base gravel thicknesses are shown in the following table, along with [he type of subgrade soil <br />encountered and the location of [he test holes. <br />Test Location Base Subgrade <br />Hole Deoth Soil Tyke <br /> <br /> Pond A Access Road <br />1 0.1 miles from Pttmp House 9" Sandy Clay (CL) <br />2 0.3 miles from Pump House 12" Sandy Clay (CL) <br />3 150 Feet south of Magazine Access Road 15" Sand 3c Clay (CL-SC) <br />4 ~ 500 feet north of Magazine Access Road 16" Sand & Clay (CL-SC) <br /> Magazine Access Road <br />~ 0.1 miles northeast of Magazine S' Sandy Clay (CL) <br />6 03 miles northeast of Magazine 6" Sandy Clay (CL) <br /> Haul Road B <br />7 0.1 miles ens[ of Tipple 21" Sandy Clay (CL) <br />8 0.3 miles east of Tipple 19" Sandy Clay (CL) <br /> PM Bay Access Road <br />9 IYE end of PM Bay 11" Sandy Clay (CL) <br />10 0.1 miles southwest of PM Bay 9" Sandy Clay (CL) <br />11 0.25 miles southwest of PM Bay 15" Sandy Clay (CL) <br />12 O.d miles southwest of PM Bay 9" Sandy Clay (CL) <br />Job No. 95-2431 Northwest Colorado (bnsultants. Inc. Page 3 <br />