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~,t~,,b,~~ 3 Range Management. Bachelor soih Gave the potential m p~o- duce 500 !b/ac/yr in unfavorable years. 700 Ib/adyr in median years, and 900 Ib/ac/yr av dry weight in favorable years. Lyman- son soils may produce 1,000 Ib/adyr le unfavorable years. 1,500 !b/ac/yr in median years, and i.8001b/adyr au dry weight in fa- vorable years. F9re Management SoU limNattom for prescribed burning. moderate due m steep slopes Engineering [oterpretations. see Table l l Revegetatba Potential. good for Bachelor. fair due m depth m rock and clay content for Lymanson R«ommended Seed Mixes. montane mil This association arson moderate mountain slopes and fans. The main plant association is Thurber fesae/ na fescue oa both soils. Elevations range 8.800 m 10,600 feet. This map unit comprises approximately 4,195 ease, or 0.2 of the west part of the Rio Grande National Fo t. Mean Annual PreclpiWtbo. 45 inches Average Air Ttaspercture. 38 m degree P Frost Frae Grcwlug Season. 30 m days Runaff Season.. May through lone, many yeas, snowpacks occur as drifts on this exposed unit February Marob IfQril May Snowpack Depth (in) 10-34 13-43 Water Content (in) 3.2-11.8 45-15.1 5.5-19.4 ~(1-17.5 ltepolatigls. Bra aEMletea DasJO 0A1 (For nwra Climate data sea Tables-1,2, and 3) ChutsitlcaUoo. Booneville s ' are loamy-skeletal, mixed Argic Pachic Cryoborolls; Clayb soils are fine-loamy, mixed Argic Pachic Cryoborolls. Composition o[ Soils n This Map Unit. About 45 percent of this rout oomptises neville soils located on moderate coUuvial and alluvial slope and fans. Another 40 percent consists of Clay- burn soils.loc on moderate slopes and Pans. Iocluslons, all areas of Quander sails on slopes, and some wet soils in low as are included in this unit, mtalling IS percent. 3nr/ace rtes. This landtype typically does not have scones or boulders on the surface over most of the area, although up m 4 percent has been recorded. Soil 1~pe / Solt Horison Thkkaese, Cobr and Terturc 0 to 10ia very dark brown loam 10 to 18 lo. very dark grayish brown loam 18 to 26 in. very dark grayish brown very oobbly loam 26 to 37 in. dads yellowish brown very cobbly clay loam 37 to 60 la. yellowish broav cobbly sandy clay loam Claybum 0 to 12 ia. very dark grayish brown loam IL to l8 W. dark brown clay loam 18 to 31 la. dark yell owis6 brown clay ream \ 31 to 611 ta. yellowish brown very cob- bly loam Landlotto. Moderate Maur Landform Components. 31 lopes, ridges Mass Movement Potential. Slopes lets, backslopes..footslopes, [ces- Potential Natural Vegetation. Thurber fesae/An'3yna fescue Derailed Landtypes Chapter 3-14 M r 1