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i~ r ~~ Peyton Series The Peyton series consists of well-drained soils that formed in alluvium derived from weathexd arko- sic sedimentary rock. These gently sloping to moder- ately steep soils ax on upland ridges, alluvial fans, and valley side slopes. Slopes are 1 to 15 percent. The vegetation is~mainly mid and tell grasses, but in places Garobel oak and mountein- ~ahogany are pxsent. Elevations are 6,500 to 8,000 feet. Annual pxcipitation is 15 to 18 inches. Mean annual soil temperature is 44° to 46° F., end the frost-free season is 115 to 120 days. In a represents:i ve profile the surface layer, about 11 inches thick, is dark grayish-brown sandy loam. The subsoil is grayish-brown, brown, and pale- brown sandy clay loam and sandy loam about 29 inches thick. The underlying material is pale-brown sandy loam extending to a depth of 60 inches or more. Peyton soils have moderate permeability. Avail- able water capacity is high. Plants can penetrate to a depth of 60 inches or more. Most areas of Peyton soils are in native grasses and are used for grazing livestock. Some areas are cultivated and are used to grow dryfarmed crops. 7ildl ife habitat occurs in places, and urban develop sent is taking place in some ax as. Pe tan-Prin -Crowfoot sand loam 5 to gs er- cent slopes pE .- s complex is an nt cote pattern of about 40-percent Peyton sandy loam, about g5 percent Pring gravelly sandy loam, and about ZS percent Crowfoot sandy loam. In most places th• Peyton soils and the Crowfoot soils are on side slopes and on the less sloping ridgetops, and Pring soils an on hill treats and the lower end of slope. Each of the soils of the Peyton and Crowfoot aeries has a profile similar to that described as representative for its respective series. The Pring soil has a profile similar to that de- scribed as xpxsentative for the series, but the surface layer is sandy loam. - Included with these soils in mapping are small areas of Jerre, Brussett, and Tomah soils and small areas of rock outcrop. Taken together, these areas make up about 10 percent of each mapped sxa. Also included is an axe between Parker and Franktown- that has a thin to moderate cover of pine. " Runoff is media to rapid. The erosion haxnrd is moderate t0 high. about two-thirds of the area of these soils has a native grass cover. The remaining thitd has a brush cover of mainly Gambel oak and some mountain- aahogany. The brwh is most co®on on the Crowfoot aoila. Thes• soils are used for grating livestock, Kutch Series The Kutch series consists of moderately deep, well-drained soils that formed in fine-textured, calcareous material weathered from city shale. These gently sloping to moderately steep soils ax on uplands in the northern part of the Area. Slopes are 6 to 20 percent. The vegetation is mainly short and mid grasses, but some areas support ponderosa pine. Elevations are 5,500 to 6,800 feet. Annual precipitation is ]5 to 19 inches. Mean annual soil temperature is 47° to SO° F., and the frost-free season is 120 to 135 days. In a representative profile, the surface layer is grayish-brown clay loam about 3 inches thick. The subsoil, about 16 inches thick, is grayish-brown to light yellowish-brown clay. The underlying material is a light yellowish-brown clay loam. Soft shale is at a depth of about 12 inches. Kutch soils have slw petmeability. Available rater capacity is moderate. Plant roots penetrate to the shale. Most axes of this soil are in native grasses and ax used for gracing livestock. Sooe areas are used for woodland products, and a few axes •x used for growing wheat. Kutch-Newlin-Stapleton complex, 8 to 40 percent s_l_~~es~ (KwF).--This complex is about 35 percent Kutc~i soils, about 25 percent Newlin soils, and about 25 percent Stapleton soils. Kutch soils are at the highest elevations and extend part way down the slope. Newlin soils are directly below Kutch soils, end Stapleton soils are at the lowest eleva- tions and vn small knobs. Included with these soils in mapping are small tress of cobbly knobs, Fondis soils, Loamy alluvial land, and Larks on fine sandy loam, 3 to 9 percent slopes, on north-facing slopes. Taken together, these Bake up 15 percent of each mapped area. Ruoff is rapid. The erosion hazard is moderate- 4Lllies are common along drainageways. Host axes of these soils ate used for grazing livestock and some areas are used for wildlife habitat. Ponderosa pine and a good understory of Gambel oak and mountain-mahogany are common. Hid and tall grasses are also present. Urban development has taken place in some axes. (Capability un}t Yie-s)