Profile Number:  20    Series: FRISSELL                      

Location: JUST PAST END OF RD., UNIT L 141, WS 3, H.J. ANDREWS E.F.

Classification: TYPIC DYSTROCHREPTS, FINE-LOAMY, MIXED, MESIC               
         Slope: 65 %
        Aspect: SW 
     Elevation: 1750 ft.
      Landform: SMOOTH SLOPE                  
      Drainage: WELL DRAINED                  
   Parent Mat.: REDDISH TUFF AND BRECCIA                                                        
    Vegetation: CLEARCUT                                                    
   Description: DYRNESS- SAMPLED PROFILE 6 7-31-63        

   (Physical and chemical data listed below profile description)

A1  0 - 4 in.       Dark brown (7.5YR3/4) when moist clay loam; 
                    moderate, fine to medium subangular blocky 
                    structure; friable when moist, slightly 
                    sticky and slightly plastic when wet; 20% 
                    breccia, 10% fine gravel and/or shot; diffuse 
                    and smooth boundary.

AC  4 - 21 in.      Strong brown (7.5YR3/6) when moist clay loam; 
                    weak, fine to medium subangular blocky 
                    structure; friable when moist, sticky and 
                    slightly plastic when wet; 20% breccia, 10% 
                    fine gravel and/or shot; clear and wavy 
                    boundary.

C  21 - 33+ in.      Largely comprised of weathered breccia.


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 - 4    .573   19.9  50.6  29.5      250       39.8     36.0    28.0    23.2
  AC     4 - 21   .823   19.7  45.1  35.2       75       36.9     33.9    28.7    24.1
  C     21 - 33+ 1.055   25.1  42.8  32.1       14       39.1     36.8    29.6    24.2
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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 - 4     5.5    5.72 0.0836   6.19  48.25                               
  AC     4 - 21    5.3    2.12 0.0608   3.72  45.80                               
  C     21 - 33+   5.5    2.06 0.0526   3.30  44.05                               
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