SOIL SURVEY

-78-EnvironmentThe Hoodoo soilscape group occurs on poorly drained valley bottom site swithin the montane vegetative zone .HO 1 Map Unit (Rego and Orthic Gleysols )This map unit is characterized by poorly and very poorly drained soil sfound on alluvial fans . These soils are generally medium textured with less tha n10% coarse fragments . Mottles are present throughout the pedon .Table 20 . Brief description of the pedon chosen to characterize the HO1 map unit .HorizonEst . Coars eDepthpHMoist ColorFragments Texture(cm) (CaC I2)(% )Organi cMatter(%)L-F 7-0 Partly decomposed organic litter 6 .5 59Ckgl 0-7 reddish brown nil silt loam 7 .3 4 . 0Ckg2 7-25 brown nil silt loam 7 .3 0 . 7Ckg3 25-47 light olive gray nil silt 7 .4 traceAhb 47-48 - nil silt loam - -Ckgbl 48-50 light olive gray nil silt loam 7 .5 traceCkgb2 59-90+ light olive gray nil silt 7 .2 0 .7Rego Gleyso lThe poor drainage and high water table associated with this map unit suggest sthat it has severe limitations for recreational and engineering uses .