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from February 15 to June 30. Trayson soils are dry in the soil moisture control section July through <br />September. <br />GEOGRAPHIC SETTING: The Travessilla soils are on hills, cuestas, and mesas with slopes ranging <br />from 0 to 75 percent. Elevation ranges from about 4,700 to 8,000 feet. They formed from calcareous <br />eolian sediments and material weathered from sandstone and shale. Outcrops of sandstone with a <br />minor amount of shale are common on steep slopes. Typically, the average annual precipitation ranges <br />from about 10 to 13 inches, but has ranged higher in the past. The average annual temperature ranges <br />from about 47 to 57 degrees F. Frost -free period is typically 115 to 170 days. Utah has a frost -free <br />period as low as 70 days. <br />GEOGRAPHICALLY ASSOCIATED SOILS: These are the Bernal, Carnero, Hagerman, Quay and <br />Pajarito soils. Bernal and Hagerman soils have argillic horizons. Carnero soils lack bedrock at depths <br />of less than 20 inches. Quay and Pajarito soils lack bedrock within a depth of 40 inches and Quay soils <br />have more than 18 percent clay in the control section and have a prominent zone of lime accumulation. <br />DRAINAGE AND PERMEABILITY: Well drained; medium to rapid runoff; moderate or moderately rapid <br />permeability. <br />USE AND VEGETATION: Rangeland. Juniper, squawbush, oakbrush, blue grama, sideoats grama and <br />snakeweed are the principal plants. <br />DISTRIBUTION AND EXTENT: Northern New Mexico, Arizona, Colorado, Montana, western <br />Oklahoma, Utah and Wyoming. The series is extensive. <br />MLRA OFFICE RESPONSIBLE: Temple, Texas <br />SERIES ESTABLISHED: Eastern New Mexico Reconnaissance, Harding County, New Mexico, 1937. <br />REMARKS: Diagnostic horizons and features recognized in this pedon are: <br />Ochric Epipedon - The zone from the surface of the soil to a depth of 4 inches (A horizon). <br />Lithic Contact - The occurrence of hard sandstone at about 8 inches (2R horizon). <br />Particle -size Control Section - The zone from the surface of the soil to about 8 inches (A, C horizons). <br />National Cooperative Soil Survey U.S.A. <br />Attachment 2.04.9 -3 -30 <br />