Profile Number: 286    Series: MCKENZIE RIVER                

Location: LOWER EDGE OF BACK RIDGE, WS 9, H.J. ANDREWS E.F.

Classification: ULTIC HAPLUDALFS, FINE-SILTY, MIXED, MESIC                  
         Slope: 10 %
        Aspect: NW 
     Elevation: 2100 ft.
      Landform: RIDGETOP                      
      Drainage: WELL DRAINED                  
   Parent Mat.: REDDISH TUFFS AND BRECCIAS                                                      
    Vegetation: PSME/ACCI/BENE ASSOCIATION                                  
   Description: FREDRIKSEN & LEVNO (PIT 9-4) 5-16-67        


O1  1 - .5 in.       Twigs, needles, etc. (L and F layers).

O2  .5 - 0 in.       Humus layer.

A1  0 - 3 in.       Dark reddish brown (5YR3/3) when moist shotty 
                    silt loam; strong, very fine to fine granular 
                    structure; friable when moist, slightly 
                    sticky and slightly plastic when wet; 40% 
                    shot; abundant  fine  roots; clear and smooth 
                    boundary.

A3  3 - 7 in.       Dark reddish brown (5YR3/4) when moist silty 
                    clay loam; weak, medium subangular blocky 
                    breaking to moderate, very fine to fine 
                    granular structure; friable when moist, 
                    slightly sticky and slightly plastic when 
                    wet; 15% gravel and cobbles; abundant  fine  
                    roots; clear and smooth boundary.

B1  7 - 18 in.      Reddish brown (5YR4/4) when moist clay loam; 
                    moderate, fine to medium subangular blocky 
                    structure; firm when moist, slightly sticky 
                    and slightly plastic when wet; 15% gravel and 
                    cobbles; common  fine and medium  roots; 
                    diffuse and smooth boundary.

B2  18 - 25 in.     Reddish brown (5YR4/4) when moist silty clay 
                    loam; strong, medium subangular blocky 
                    structure; firm when moist, slightly sticky 
                    and slightly plastic when wet; few fine and 
                    medium  roots; gradual and smooth boundary.

C  25+ in.          Brown (7.5YR4/4) when moist stony silty clay 
                    loam; massive structure; very firm when 
                    moist, slightly sticky and slightly plastic 
                    when wet; weathered red breccia with lenses 
                    of soil.