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`6 1/89 <br /> JCS--Torriorthents , warm—Rock outcrop complex , 35 to 90 percent <br /> slopes. This map unit is on steep, mainly south—facing slopes of <br /> mountains, hills, ridges, and canyon sides in extremely rough and <br /> eroded areas. The native vegetation is mainly sparse shrubs and grass <br /> with some pinyon pine and juniper trees . Elevation Js 5, 100 to 69200 <br /> feet. The average annual precipitation is 9 to 16 inches, the average <br /> annual air temperature is 48 to 52 degrees F, and the average frost— <br /> free period is 95 to 130 days .. <br /> This unit is 50 percent Torriorthents and 40 percent Rock outcrop. <br /> The components of this unit are so intricately intermingled that it <br /> was not practical to map them separately at the scale used. <br /> Included in this unit is about 5 percent Badlands . <br /> Torriorthents commonly are very shallow to deep , to hard or soft <br /> • bedrock . These soils are well drained to somewhat excessively <br /> drained. They formed in residuum and colluvium derived from <br /> sandstone , shale limestone , or siltsto@e . No single profile is <br /> typical of Torriorthents , but one is commonly observed in the survey <br /> area has a surface layer of pale brown channery loam 2 inches thick. <br /> The underlying material to a depth of 13 inches is very channery loam. <br /> Sandstone is at ' s depth of 13 inches. In some areas the surface layer <br /> is stony or flaggy . Depth to shale or sandstone ranges from 4 to 60 <br /> inches . The -soil is calcareous throughout. <br /> Permeability of the Torriorthents is moderate to moderately rapid . . <br /> Available water capacity is very low to. moderate . Effeot'ive rooting <br /> depth is 4` to , 60. inches. Runoff if very -'rap_iI'dp-and. the hazard of,- <br /> water erosion is'-very high. <br /> . � Rock outorop. consists of barren escarpments ;_rfdgo ,caps, an.d'_rocky: <br /> J Dints of._s.andstone shale .limestone" or. siltstone� % .The escarpments'=': i` <br /> _ . . - -"I`, •_ - __ _ `_:^y :yy. .ti�.'yti•i.Y' tic:- f—�'�`•�:�ti:`J�� <br /> '.i+'i•�c.4.Sy. . \.,''S� +?C�':�•e:icrY-� _�.yfy�'•'K},��:*.:i`r^1fe.' . <br /> commonly;?'a.re,:3 to 50. fJeet, high; and,25:_to`2',500;:feet:long:':'; y�5� <br /> _ - :.fir-t-'"�'c4- =`: =`�.3,��!.:T:r�r+:.14��.. +-Fa;.,. c4.-_•.:YTa"�+. �- <br /> �>,. - :•,ice_ - .z: _ i4"^ry�'il3ty; '.f,. �i:�-a,.�- ;.... �s,. <br /> :��I'�Y� -x:::Si._ 'ro'..`. q eM1 GU �'�6,4_ir+'�s;�4.-. '.,•5�e.[�,�st: �{7���ys�s,�"( •, <br />