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-2- <br />and anorth-south dimension between 450 and 1,000 feet. The Stremme and Gates Ditch <br />__ that cross through the Phase 4, 5 and 6 areas will be relocated along the south side of the <br />property. <br />SITE CONDITIONS <br />The proposed Schmidt Property gravel pit is located on river terraces along the <br />south side of the Eagle River about two miles east of Gypsum. The property is in <br />Sections 3 and 4, T. 5 S., R. 85 W. Gravel mining will take place on the second and third <br />tercace levels to the south of the river. The surfaces of the second.and third tercaces lie <br />about 55 and 65 feet above the first terrace that is within 4 to 6 feet of the river. The <br />Eagle County Airport is located on a higher tercace to the south of the property. A 10 <br />foot high, moderately sloping (10% to 20 %) escarpment sepazates the second tercace <br />from the third. A 55 to 65 foot high, steep (60% to 100%) escarpment separates the <br />second and third terrace surfaces from the first terrace and the Eagle River. <br />With the exception of the Eagle River, major drainages do not cross through the <br />property. Because of its location on the second and third terraces, the gravel pit lies well <br />above the I00-year Eagle River floodplain. Spring Creek is located to the west and <br />Alkali Creek is located to the east of the property. The Stremme and Gates Ditch that <br />diverts water from the Eagle River east of the property, crosses through the southeastern <br />part of the property and will require relocation along the top of the southern pit wall <br />upslope of the Phase 4, 5, and 6 areas. A spring that was flowing several gallons per <br />minute at the time of our field review on December 5, 1997 is located on the lower part <br />of the terrace escarpment to the north of the Phase 4 and 5 areas. <br />The Southern Pacific Railroad and U.S. Highway 6 and 24 border the property on <br />the south. The railroad is located about 95 feet to the south of the proposed southern pit <br />top and the highway is about 195 feet to the south of the proposed southern pit top. The <br />effective slope between the toe of the southern pit wall at final grading and the railroad is <br />between 4.5:1 and 6:1 (horizontal to vertical). At the time of this study, the property was <br />H-P GEOTECH <br />