Profile Number:  78    Series: FRISSELL                      

Location: NW1/4,SW1/4,SEC.32(15S,5E)20M NE NE COR.RS 2, H.J. ANDREWS E.F.

Classification: TYPIC DYSTROCHREPTS, F-LO, MIXED, FRIGID                    
         Slope: 33 %
        Aspect: W  
     Elevation: 1607 ft.
      Landform: FAN TERRACE                   
      Drainage: WELL DRAINED                  
   Parent Mat.: MIXED ALLUVIUM-COLLUVIUM                                                        
    Vegetation: TSHE/RHMA/BENE ASSOCIATION                                  
   Description: BROWN- REF. STAND 2, PIT 1, IBP INT. REP. 128 6-72           

   (Physical and chemical data listed below profile description)

O11  1.5 - 1 in.     Twigs, needles, cones, etc. (L).

O12  1 - 0 in.       Partly decomposed twigs, needles, etc. (F).

A1  0 - 6 in.       Dark brown (7.5YR3/2) when moist gravelly 
                    silt loam; moderate, very fine to fine 
                    granular structure; very friable when moist, 
                    slightly sticky and slightly plastic when 
                    wet; 50% shot; gradual and smooth boundary.

A3  6 - 13 in.      Dark brown (7.5YR3/2) when moist gravelly 
                    silt loam; weak, very fine to fine granular 
                    structure; very friable when moist, slightly 
                    sticky and slightly plastic when wet; 45% 
                    shot; gradual and smooth boundary.

2B1  13 - 21 in.    Brown (7.5YR4/4) when moist silty clay loam; 
                    weak, very fine to fine subangular blocky 
                    structure; friable when moist, slightly 
                    sticky and slightly plastic when wet; 18% 
                    gravel, common pumice grains; gradual and 
                    wavy boundary.

2B2  21 - 29 in.    Brown (7.5YR4/4) when moist silty clay loam; 
                    weak, fine to medium subangular blocky 
                    structure; friable when moist, slightly 
                    sticky and slightly plastic when wet; 18% 
                    gravel, common pumice, few charcoal; gradual 
                    and wavy boundary.

2B3  29 - 37 in.    Brown (7.5YR4/4) when moist gravelly silty 
                    clay loam; weak, fine to medium subangular 
                    blocky structure; friable when moist, sticky 
                    and slightly plastic when wet; 20% gravel  
                    and cobbles; gradual and wavy boundary.

2C  37 - 47+ in.    Brown (7.5YR4/4) when moist gravelly silty 
                    clay loam; massive structure; friable when 
                    moist, sticky and slightly plastic when wet; 
                    25% gravel  and cobbles, common pumice grains.


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 - 6     0.8   29.7  47.3  23.0                                             
  A3     6 - 13                                                                       
  2B1   13 - 21                                                                       
  2B2   21 - 29    0.8   26.5  53.0  20.5                                             
  2B3   29 - 37                                                                       
  2C    37 - 47+   0.7   25.3  57.5  17.2                                             
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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 - 6     5.4     4.7   0.16   20.8   22.5   0.5    3.2  0.9             
  A3     6 - 13    5.6     2.1   0.10    8.0   20.8   0.5    4.4  1.1             
  2B1   13 - 21    5.8     1.4   0.09    3.2   21.4   0.5    4.0  1.2             
  2B2   21 - 29    5.8     1.0   0.06    1.9   20.0   0.5    3.8  1.2             
  2B3   29 - 37    5.8     0.8   0.06    1.4   22.8   0.4    1.9  0.7             
  2C    37 - 47+   5.8     0.7   0.04    1.1   19.0   0.3    1.7  0.7             
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