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• TYPE LOCATION: San Juan County, New Mexico; 400 feet east, 160 feet south of the <br />northwest corner of sec. 24, T. 27., R. 12 W.; 108 degrees 34 minutes 12 seconds west <br />longitude, 36 degrees 34 minutes 04 seconds north latitude. <br />RANGE IN CHARACTERISTICS: <br />Soil Moisture: Intermittently moist in some part of the soil moisture control section <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: 18 to 35 percent. <br />A horizon -Hue: 10YR or 7.5YR and 5YR and 2.5YR in Arizona. <br />Value: 5 or 6 dry, 4 or 5 moist <br />Chroma: 2 through 4 <br />Texture: sandy loam, fine sandy loam, sandy clay loam or clay loam <br />• Bw horizon -Hue: 10YR or 7.5YR and 5YR and 2.5YR in Arizona. Value: 5 or 6 day, 4 <br />or 5 moist <br />Chroma: 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 />Chroma: 3 or 4 <br />Texture: sandy clay loam, loam or gravelly loam <br />Bk horizon -Hue: 7.5YR or 5YR and 2.5YR in Arizona. <br />Value: 5 or 6 dry <br />Chroma: 2 or 3 <br />Texture: sandy clay loam, clay loam, loam or gravelly loam. <br />COMPETING SERIES: This is the Advokay series (Nv). Advokay soils contain more <br />than 15 percent rock fragments and are effervescent in the argillic horizon. <br />GEOGRAPHIC SETTING: Monierco soils are on plateaus, knolls and ridges. Slopes <br />range from 0 to 8 percent, Elevations range from 4800 to 6400 feet. The mean annual <br />precipitation is 6 to 110 inches. The mean annual temperature is 48 to 55 degrees F. <br />• (REVISED 9/99) 2.04.9-48 <br />