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i <br />EXWIQIT I SOILS INFOBh1ATI0N <br />A. Type, Thickness, and Distribution <br />' Altvan Loam <br />This is a deep, well drained soil formed in old alluviwn from material <br />deposited by major rivers in the area. Included are some soils with clay <br />' loam subsoils and some soils with evidence of poor drainage. Also in- <br />' eluded are some long narrow streaks of sand and gravel deposits. Typically <br />the surface layer is grayish brown loam about 10 inches thick. The subsoil <br />' is brown to light yellowish brown clay loam and sandy clay loair, about <br />15 inches thick. The sub stratum is calcareous loamy sand or sanely loam <br />about 6 inches thick over sand end gravel. Denth to sand and gravel ranges <br />' from 20 to 40 inches. Permeability is moderate and avail,~ble water capacity <br />is moderate. Effective rooting depth is 20 to 40 inches. Surface run- <br />e , off is slow and erosion hazard is low. This soil is used almost entirely <br />for irrigation and is suited to all crops adapted to this area. <br />' lJind breaks and environmental p-antings are well suited on this soil, in- <br />eluding all trees and shrubs adapted to this area. Trees that are best <br />suited and have a good survival are Rocky r•lountain Juniper, Eastern Red <br />' Cedar, Ponderosa Pine. Siberian Elm, Russian Olive, and liackberry. SYrrubs <br />best suited are Skunkbush Sumac, Lilac, Siberian Peashrulr, and American <br />' Plum. This soil can produce habitat elements that are highly suitable <br />for open wildlife including pheasants, cottontail, and ~rxnn•ning doves. <br />Some types of crop production is also suitable for openland o-,ildlife, <br />' especially pheasant. Practices that would enhance open land wildlife <br />populations could include three and shrub plantings, and undisturbed <br />' nesting cover. <br />1 <br /> <br />- - -.. _.. • -- -r--~- - • - - <br />