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G_REr'TI RSVER VERY FINS SANDY L0;1d, DEEP OVER GRAVEL, 0 to 2 percent <br />slopes, Class Its Land {Gm) <br />This soil occurs along the Gunnison and Colorado Rivers, but for the <br />most part at higher levels than the other Green River soils, Its <br />Letter position makes it less susceptible to flooding or occasional <br />higJt avatar tables. It can ce cropped successfully, especially after <br />.,t has been ditched to provide adeeuate underdrainage. <br />Th= surface soil, a pale-brow^i or light brownish-gray very fine sandy <br />loam, contains numerous small fragments of mica. Be1ew depths of <br />10 to 12 inches, the very tine sandy loam has a brighter pale-'oro4m <br />or very Tale-brosr_i color, ar~d at depths o£ 2!+ to 30 inches it grades <br />into si~:ilarly textured soil material that shows light-grey and reddish- <br />brow~ specks or very small spots. Below depths of 3 or !+ feet tex- ,~ <br />total variations are cea~non, but fine sandy loam is do:inant. ~) <br />haen moist, this soil is friable. Woll-disse~rated lime is present <br />from the surface downward, but the organic-matter content is low, <br />Workability and tilth are exceptionally favorable for irrigation and <br />cultivation, but some places need ditches that will lever the water <br />table. <br />Soil limitations are classifie3 as seaere for local roads and streets <br />(seasonal high water tables, poor traffic-supporting capacity, sub- <br />ject to frost heave), shallow excavations (seasonal high water table), <br />dwellings without basements (seasonal high water table), sanitary land <br />fill (seasonal high water table), septic tank absorption fields <br />(seasonal high water table), and sewage 1. goons (rapid permeability <br />below about 1 foot, seasenai high water tables. ) <br />1 <br /> <br />