Profile Number:  90    Series: CARPENTER                     

Location: NW1/4,SW1/4,SEC.29(15S,6E)25M W SE COR.RS 12, H.J. ANDREWS E.F.

Classification: ANDIC HAPLUMBREPTS, MEDIAL-SKELETAL, FRIGID                 
         Slope: 30 %
        Aspect: W  
     Elevation: 3247 ft.
      Landform: UNEVEN PEDIMENT FOOTSLOPE     
      Drainage: WELL DRAINED                  
   Parent Mat.: ALLUVIUM-COLLUVIUM AND TILL(?) FROM  ANDESITE                                   
    Vegetation: ABAM/VAAL/COCA ASSOCIATION                                  
   Description: BROWN- REF. STAND 12, PIT 2, IBP INT. REP. 128 8-72           

   (Physical and chemical data listed below profile description)

O11  5.5 - 5 in.     Needles, cones, twigs, etc. (L).

O12  5 - 4 in.       Partly decomposed needles, cones, etc. (F).

O13  4 - 0 in.       Partly decomposed wood from fallen tree (F).

A1  0 - 11 in.      Dark reddish brown (5YR3/3) when moist 
                    gravelly sandy loam; weak, very fine to fine 
                    granular structure; very friable when moist, 
                    slightly sticky and nonplastic when wet; 45% 
                    gravel,cobbles and stones, abundant pumice 
                    gravel; clear and wavy boundary.

B2  11 - 23 in.     Dark reddish brown (5YR3/3) when moist very 
                    gravelly sandy loam; weak, very fine to fine 
                    subangular blocky structure; friable when 
                    moist, slightly sticky and slightly plastic 
                    when wet; 55% gravel, stones and cobbles, 
                    abundant pumice gravel; gradual and wavy 
                    boundary.

B3  23 - 32 in.     Dark reddish brown (5YR3/4) when moist very 
                    gravelly loam; weak, very fine subangular 
                    blocky structure; friable when moist, 
                    slightly sticky and slightly plastic when 
                    wet; 50% gravel, cobbles  and stones, 
                    abundant pumice, few charoal; clear and wavy 
                    boundary.

2C1  32 - 42 in.    Dark reddish brown (5YR3/4) when moist very 
                    gravelly loam; massive structure; friable 
                    when moist, slightly sticky and slightly 
                    plastic when wet; 60% gravel, cobbles and 
                    stones, abundant pumice, firm soil; gradual 
                    and wavy boundary.

2C2  42 - 48+ in.   Dark reddish brown (5YR3/4) when moist very 
                    stony loam; massive structure; friable when 
                    moist, slightly sticky and slightly plastic 
                    when wet; 65% stones, gravel and cobbles, 
                    abundant pumice, chunks firm.


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 - 11    0.7   57.6  38.3   4.1                                             
  B2    11 - 23    0.8   51.0  45.1   3.9                                             
  B3    23 - 32                                                                       
  2C1   32 - 42    0.8   51.5  45.6   3.0                                             
  2C2   42 - 48+                                                                      
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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 - 11    5.2     5.7   0.15   18.1   21.1   0.1    0.4  0.0             
  B2    11 - 23    5.4     4.9   0.16   18.6   23.8   0.1    0.0  0.0             
  B3    23 - 32    5.7     3.3   0.12    6.9   33.2   0.1    0.0  0.0             
  2C1   32 - 42    5.6     2.1   0.09    4.0   33.9   0.1    0.4  1.2             
  2C2   42 - 48+   6.0     2.3   0.09    1.5   28.8   0.1    0.5  0.0             
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