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average frost-free period is less than 75 days, This maping <br />unit occurs primarily on northerly aspects. <br />Typically, the surface of the Parachute soil is a grayish-brown <br />loam about 5 inches thick. The upper subsoil is very dark grayish- <br />brown loam about 13 inches thick. The lower subsoil is light <br />yellowish-brown, extremely channery loam about.ll inches thick. <br />The soil overlies hard fracturAd sandstone at a depth of less <br />than 40 inches, Rock fragments range from 35 to 85 percent by <br />volume, most of which are 3/4 to 3 inches in length. Reaction <br />is neutral throughout the profile. <br />The permeability of the Parachute soil is moderate, and the effec- <br />tive rooting depth is about 30 inches. The available water capacity <br />is moderate with surface runoff medium and erosion hazard moderate. <br />This unit falls into the capability subclass, VIIe. <br /> <br />r~~ <br />~~/ <br />I-2 <br />