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- i <br /> Table I-1 <br /> FRUITA AREA SOIL CLASSIFICATIONS DESCRIPTIONS <br /> SOIL PROFILE CHARACTERISTICS Surface Internal <br /> SOIL Surface Soil Subsoil Parent Material Depth Runoff Drainage <br /> BC-Billings silty Gray,light brownish gray, Gray to olive-gray loam, Gray, light-gray, or <br /> clay loam or olive gray hard; silty clay; hard; olive-gray alluvium Deep Slow Very <br /> 0-2% slopes massive; calcareous massive; calcareous from Mancos shale slow <br /> deposited over Mancos <br /> shale <br /> GM-Green River Pale-brown to light Pale-brown or light Calcareous sandy <br /> very fine sandy brownish-gray; slightly brownish-gray very sandy alluvium of mixed Deep Slow Medium <br /> loam deep over hard; calcareous loam that is mottled rock over deep <br /> gravel with light brown with porous gravel strata - i <br /> 0-2% slopes increased depth <br /> Ra-Ravola clay Light brownish-gray Very pale-brown Very pale-brown, <br /> loam to very pale brown; stratified clay loam; calcareous, strati- Deep Slow . Medium <br /> 0-2% slopes slightly hard; slightly hard; fled alluvium with <br /> calcareous calcareous occasional strata of I • <br /> gravel; alluvium of <br /> sandstone and shale <br /> origin and was de- <br /> posited over Mancos <br /> shale <br /> Rc-Ravola fine Light brownish-gray, Very pale brown,strati- Very <br /> sandy loam pale brown, and very fied; predominately carous, stratified Deep Deep Slow Medium <br /> 0-2% slopes pale brown; slightly hard fine sandy loam alluvium with occa- <br /> calcareous sional strata of gravel; <br /> • <br /> alluvium of sandstone <br /> and shale origin and was <br /> deposited over Mancos <br /> shale <br /> Rs-Rough gullied Variable Absent i <br /> land <br /> Gullied alluvium Vari- Very Variable <br /> largely of Mancos able Rapid <br /> shale <br /> Ro-Riverwash Very pale brown sand, Loose strata of cobble- Sand, gravel, and Vari- Very Very <br /> 0-2% slopes gravel and stone stones and stones cobblestone river able . slow Rapid <br /> alluvium of mixed rock <br /> Rr-Rough broken Very pale brown; cobbly; Absent Very pale-brown cal- <br /> land; Mesa,Chi- calcareous careous alluvium of Deep Very Variable <br /> peta & Perayo mixed rock origin Rapid <br /> materials overlying Mancos shale <br /> Tb-Thoroughfare Light brown to light red- Light brown to light Light-brown calcareous <br /> fine sandy loam dish brown; soft; reddish brown fine sandy alluvium of sandstone, Deep Medium Rapid <br /> 0-5% slopes • calcareous loam that becomes coarse granite, and shale <br /> textured with depth origin overlying bed- <br />- rock sandstone & shale <br /> BA-Billings silty Gray, light brownish Gray to olive gray loam, Gray, light-gray, or Very <br /> clay gray, or olive gray; hard; silty clay loam, or silty olive gray alluvium Deep slow Very slow <br /> 0-2% slopes massive; calcareous clay; hard; massive; from Mancos shale de- to slow <br /> calcareous posited over Mancos <br /> shale <br /> BE-Billings silty Gray, light brownish Gray to olive gray loam, Gray, light-gray or Occa- <br /> clay, moderately gray, or olive gray; silty clay loam, or olive-gray alluvium Deep Slow sional <br /> deep over Green hard; massive, calcareous silty clay; jard; from Mancos shale over <br /> River soil massive; calcareous Green River soil <br /> material, material <br /> 0-2% slopes <br /> 1-4 <br />