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• ERHIBIT 27 - Continued <br />R73AE = "-Cbalmoitt"loam - Continued. <br />Permeability is slow. Effective rooting depth is about 30 <br />inches. Available water capacity is low. Surface runoff is medium to <br />rapid. Erosion hazard is slight from wind and moderate from water. <br />Most of this unit ie native rangeland used for livestock graz- <br />ing and wildlife habitat. <br />AW = Ciyaquents, 0 to 2 percent elopes. <br />Cryaquents are stratified, coarse textured to fine textured, <br />recent alluvial soils. They are on low flood plains of the larger streams <br />between eleveations of 7,900 and 9,000 feet. These flood plains are on <br />both sides of the streams and merge gradually into slightly higher bottom <br />lands. Slopes are 0 to 2 percent. The surface is generally uneven. <br />• Water channels are evident. The native vegetation is tufted hairgrass <br />and water-loving plants such as sedges, rushee, and willows. <br />The surface layer is moderately dark to dark in color and <br />moderately high in organic matter. Coarse textured material is at a <br />depth of 1 to 6 feet. Gray mottles, which reflect poor drainage, are <br />present in the profile in most places. In moat areas, the soils are free <br />of salts and alkali, but a few small areas of salt- or alkali-affected <br />soils are included in mapping. <br />These soils are flooded in most years. The water table fluc- <br />tuates between depths of 0 to 2 feet when the Boils are not flooded. The <br />floodwaters carry very little sediment. After the water recedes, the <br />only evidence of flooding is a few pieces of driftwood, small bunches of <br />grass hay caught by willows, and thin deposits of sand among the clumps <br />of grass. <br />• These soils are not suited to hay. <br />