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~_i <br />' ~:~~ ~.. <br />Y <br />~'~ / <br />page 16 ~, <br />~ CeD -- Table Hountaln loam, S to 15 percent slopes. This deep, <br />yell drained soil is on foot elopes. IC formed 1n alluvium and colluvium <br />I derived dominantly from sedimentary rock. Slope Se S to 15 percent. The <br />native vegetation ie mainly grass. Elevation Se 6,200 to 7,800 feet. The <br />average annual precipitation Ss '15 to 22 Snches, the average annual <br />aiz temperature is 47 to 49 degrees F:, and [he average frost-free season <br />is 90 to 140 days. <br />Typically the surface layer is loam 6 inches [hick. The subsoil is <br />clay loam 19 inches thick. The substratum to a depth of 60 inches is <br />loam. The soil is neutral to a depth of 25 inches and moderately alkaline <br />and calcareous below that depth. <br />C Included in this unit is 10 percent similar soils that are gravelly <br />E ^, <br />5.N <br />i ~, and cobbly. <br />1 <br />r <br />The permeability of this Table Mountain soil is moderate. Available <br />water capacity is high. Effective rooting depth is 60 inches or more. <br />Runoff is sloe to medium and the hazard of eater erosion is high to very <br />J high. <br />i <br />This unit is used ~oainly for irrigated hay and pasture. IC is also <br />used for rangeland and nonirrigated cropland. '~ <br />- Phis unit is yell suited to irrigated hay and pasture. Irrigation <br />water can be applied by corrugation and by Flooding fzom contour ditches. <br />Leveling helps to insure the uniform application of eater. If corrugatior, . <br />~}-1 systems are used, runs should be on the contour or across the slope. <br />.~ ~ _ ` - <br />I <br />