Profile Number:  40    Series: SOIL FROM ANDESITE COLLUVIUM  

Location: ABOVE UPPER ROAD & L 221 WS 3, H.J. ANDREWS E.F.

Classification: TYPIC HAPLUMBREPTS, COARSE-LOAMY, MIXED, MESIC              
         Slope: 70 %
        Aspect: W  
     Elevation: 2850 ft.
      Landform: SMOOTH SLOPE                  
      Drainage: WELL DRAINED                  
   Parent Mat.: ANDESITE COLLUVIUM                                                              
    Vegetation: TSHE/RHMA/BENE ASSOCIATION                                  
   Description: DYRNESS- SAMPLED PROFILE 15 7-63           

   (Physical and chemical data listed below profile description)

A1  0 - 7 in.       Brown (10YR5/3) when dry, very dark brown 
                    (10YR2/2) when moist shotty stony sandy  
                    loam; moderate, medium granular structure; 
                    friable when moist, nonsticky and nonplastic 
                    when wet; 30% stones.

AC1  7 - 15 in.     Brown (10YR5/3) when dry, dark  brown 
                    (10YR3/3) when moist stony loam; moderate, 
                    medium granular structure; friable when 
                    moist, slightly sticky and nonplastic when 
                    wet; 30% stones.

AC2  15 - 23 in.    Yellowish brown (10YR5/4) when dry, dark  
                    yellowish brown (10YR3/4) when moist stony 
                    sandy loam; weak, medium granular structure; 
                    very friable when moist, slightly sticky and 
                    nonplastic when wet; 30% stones.

C  23 - 36+ in.     Yellowish brown (10YR5/4) when dry stony 
                    loam; massive structure; very friable when 
                    moist, sticky and slightly plastic and smeary 
                    when wet; 75% stones.


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 - 7           59.3  27.1  13.6                39.8     31.9    25.6    24.1
  AC1    7 - 15          56.0  30.4  13.6                35.7     29.3    22.7    18.3
  AC2   15 - 23          56.8  28.8  14.4                32.2     28.0    21.7    17.9
  C     23 - 36+         53.3  34.2  12.5                35.8     30.5    23.8    17.9
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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 - 7     5.8   10.05 0.2067   8.26  31.60                               
  AC1    7 - 15    5.7    5.42 0.1235   3.30  26.90                               
  AC2   15 - 23    5.5    2.95 0.0893   5.37  23.65                               
  C     23 - 36+   6.2    1.26 0.0541   0.83  20.35                               
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