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Grcer I S oil survey, New Hnriznn Mine <br />RANGE IN C <br />Soil Moisture: Intermittently moist in some part of the soil moisture control sectlon <br />December through March and July through September. The soil is driest during May <br />and June. <br />,Soil Temperature: 52 to 56 degrees F. <br />Depth to paralithic contact: 10 to 20 inches. <br />Reaction: :Mildly alkaline to strongly alkaline. <br />Percent clay in the control section: 1 to 35 percent. <br />A horizon - Hue: 16Y"R or 7.5YR and 5YR and 2,5YR in Arizona. <br />Value: 5 or 5 d ry, 4 or 5 moist <br />Chroma: 2 through 4 <br />Texture: sandy loam, fine sandy loam, sandy clay loam or clay loam <br />Ew horizon - Hue. 10YR or 7.5YR and EYR and 2.5YR in Arizona. Value: 5 or 6 <br />day, 4 or 5 moist <br />Chromai: 3 or 4 <br />Texture sandy loam, fine sandy loam or clay loam <br />Bt horizon - Hue: 7.5YR or 5YR and 2.5YR in Arizona. <br />Value: 5 or 6 dry <br />Chrorna: 3 or 4 <br />Texture: sandy clay loam, loam or gravelly loam <br />Rk horizon _ Hua: 75YR or 5YR and 2.5YR in Arizona. <br />Value. 5 or 6 dry <br />Chrarna: 2 or 3 <br />Texture: sandy clay loam, clay loam, loam or gravelly loam. <br />COMPETING SERIES: This is the Advokay series (Nv). Advokay sails contain <br />more than 15 percent rock fragments and are effervescent in the argillic horizon. <br />GEOGRAPHIC SETTING: Manierco sails are on plateaus, knolls and ridges. <br />Slopes range frorrt 0 to 8 percent, Elevations range from 4800 to 6400 feet, The <br />mean annual precipitation is 6 to 114 inches. The mean annual temperature is 48 to <br />55 degrees F. The average frost -free period is 120 to 160 days. In Arizona the <br />temperature is as high as 57 degrees F� frost free days as long as 186 days; <br />precipitation as <br />much as 12 inches; and slopes to 16 percent. <br />Page 34 of 44 Date: D&I 1 198 <br />