Profile Number: 291    Series: MCKENZIE RIVER                

Location: PIT 10-3-3+20, WS 10, H.J. ANDREWS E.F.

Classification: UMBRIC DYSTROCHREPTS, FINE, MIXED, MESIC                    
         Slope: 15 %
        Aspect: NW 
     Elevation: 1925 ft.
      Landform: RIDGETOP                      
      Drainage: WELL DRAINED                  
   Parent Mat.: REDDISH TUFFS AND BRECCIAS                                                      
    Vegetation: TSHE/RHMA/BENE ASSOCIATION                                  
   Description: FREDRIKSEN 9-2-69         

   (Physical and chemical data listed below profile description)

O1  1 - .25 in.      Twigs, needles, etc. (L and F layers).

O2  .25 - 0 in.      Humus layer; abrupt and smooth boundary.

A1  0 - 3 in.       Brown (7.5YR5/4) when dry, dark reddish brown 
                    (5YR3/4) when moist shotty silt loam; 
                    moderate, very fine to fine granular 
                    structure; friable when moist, nonsticky and 
                    slightly plastic when wet; 50% shot; abundant 
                    fine and medium  roots; gradual and smooth 
                    boundary.

A3  3 - 6 in.       Strong brown (7.5YR5/6) when dry, yellowish 
                    red (5YR4/6) when moist silty clay loam; 
                    strong, very fine to fine subangular blocky 
                    structure; friable when moist, sticky and 
                    plastic when wet; 5% shot; abundant  fine and 
                    medium  roots; gradual and wavy boundary.

B2  6 - 16 in.      Yellowish red (5YR4/6) when moist silty clay; 
                    strong, fine to medium subangular blocky 
                    structure; friable when moist, sticky and 
                    plastic when wet; 5% stones; abundant  fine 
                    and medium  roots; gradual and wavy boundary.

B3  16 - 20 in.     Yellowish red (5YR4/6) when moist silty clay; 
                    moderate, fine to medium subangular blocky 
                    structure; firm when moist, sticky and 
                    plastic when wet; 5% stones; common fine and 
                    medium  roots; clear and irregular boundary.

C1  20 - 54+ in.    Yellow (10YR7/6) when moist silty clay loam; 
                    weak, medium to coarse subangular blocky 
                    structure; firm when moist, sticky and 
                    plastic when wet; 15% weathered breccia; few 
                    fine and medium roots.


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    0.86                                                                
  A3     3 - 6    0.86                                                                
  B2     6 - 16   0.71                                                                
  B3    16 - 20   1.01                                                                
  C1    20 - 54+  0.95                                                                
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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            8.80  0.197                                             
  A3     3 - 6            3.76  0.177                                             
  B2     6 - 16           2.91  0.126                                             
  B3    16 - 20           1.86  0.045                                             
  C1    20 - 54+          0.81  0.022                                             
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