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, 1':1 f" OG2192 . The assoe tal ton h<l~ about 60 percent Typic c_wro II s, 30 percent Typic Cryoboralfs, and 10 percent of unidentified minor soils, located nortllwest of Meeker in Rio Blanco Count~. Typic Cryoborolls are deep, well-drained minor soils on clayey sedimen- tary rocks. Typically they have a dark-colored, clayey surface layer, Al horizons, 7-20 inches thick. The substratum 10-40 inch layer, C hori- zon, is a light-colored, clayey material; it is fractured shale bedrock. Permeahility is slow; effective root depth is 40 inches+. Available water capacity is moderate-high; surface runoff is rapid and erosion hazard is moderate. Typic Cryoboralfs are shallow to deep well-drained soils on sedimentary rocks. Typically these soils have a light-colored, gravelly 'surface, Al horizon; less than 7 inches below the subsoil, 10-40 inch layer', B2t horizon, is light-colored, very gravelly, loamy material with thin clay film on ped surfaces; substratum is fractured bedrock, Perme- ability is slow; effective rooting depth is 10-60+ inches. Available water capacity is low to moderate; surface ~unoff is rapid and erosion hazard is moderate. Sediment yield from this association is 0.2-0.5 acre-feet/square mile/year. These soils are used for range and wildlife. General vegetative type is mountain shrub and pinyon-juniper. Reclamation potential is poor due to coarse fragments and excess slope. Typic Cryoborolls, clayey-Typic Cryorthents, clayey association, As soc ia t io_,,-_!~'jJ_,___ (6}_&0}__:,c rcs) This nssociation consists of moderately steep and steep soils on I benches and mountain slopes (15 to 25+ percent slopes). Elevation ranges ':1..18 ~ ,~:.~ '~~-:..."1'~::'. ,. . - .......,> - ~"-- ..r'''-'~,.,.~ j [I \ " .,t , ,~ J fi;l " '.i,~ \~ .t', it: . l'" r. ! .,