Profile Number:  54    Series: MCKENZIE RIVER, STONY PHASE   

Location: ON N. RIDGE OF WS 3, JUST UP FROM FLUME, H.J. ANDREWS E.F.

Classification: ULTIC HAPLUDALFS, CLAYEY, MIXED, MESIC                      
         Slope: 10 %
        Aspect: NW 
     Elevation: 1700 ft.
      Landform: RIDGETOP                      
      Drainage: WELL DRAINED                  
   Parent Mat.: REDDISH TUFF AND BRECCIAS                                                       
    Vegetation: TSHE/RHMA/GASH ASSOCIATION                                  
   Description: DYRNESS- SAMPLED PROFILE 18 7-30-63        

   (Physical and chemical data listed below profile description)

A1  0 - 3 in.       Dark brown (7.5YR3/2) when moist gravelly 
                    loam; weak, fine granular structure; friable 
                    when moist, slightly sticky and nonplastic 
                    when wet; 25% andesite gravels; clear and 
                    smooth boundary.

A3  3 - 6 in.       Dark brown (7.5YR3/4) when moist gravelly 
                    clay loam; weak, fine granular structure; 
                    friable when moist, slightly sticky and 
                    slightly plastic when wet; 25% gravel; abrupt 
                    and wavy boundary.

B2  6 - 17 in.      Dark yellowish brown (10YR4/4) when moist 
                    stony silty clay loam; weak, fine to medium 
                    subangular blocky structure; firm when moist, 
                    sticky and plastic when wet; 30% cobbles, 
                    very thin discontinous clay skins; clear and 
                    wavy boundary.

B3  17 - 35 in.     Yellowish brown (10YR5/4) when moist stony 
                    silty clay loam; massive structure; firm when 
                    moist, sticky and slightly plastic when wet; 
                    45% weathered stones.

C  35+ in.           Virtually all stones, some weathered.


Physical Profile Data

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Horizon  Depth  Density  Sand  Silt  Clay  Percolation  Moisture Tension (% H2O, dry wt.)
          (in)   (g/cc)  (%)    (%)  (%)     (in/hr)     1/3 atm  1 atm   5 atm   15 atm
-----------------------------------------------------------------------------------------
  A1     0 - 3           34.1  44.4  21.5                32.9     30.5    22.7    22.0
  A3     3 - 6           21.3  48.7  30.0                35.0     32.0    24.5    18.7
  B2     6 - 17          13.0  47.1  39.5                37.9     35.4    28.6    23.5
  B3    17 - 35          13.8  54.2  32.0                41.3     37.3    28.0    22.5
  C      35+                                                                          
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Chemical Profile Data

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Horizon  Depth     Ph     O.M. Total N    P     CEC    K     Ca    Mg    Na    Base Sat.   
          (in)            (%)    (%)    (ppm)  --------------  meq/100g ----------------- 
-----------------------------------------------------------------------------------------
  A1     0 - 3     5.0    9.38                                                    
  A3     3 - 6     5.0    6.14                                                    
  B2     6 - 17    5.2    1.18                                                    
  B3    17 - 35    5.1    0.66                                                    
  C      35+                                                                      
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