IDENTIFIERS

  • Current Taxon Name (Soil Name): Ashton
  • OSD
  • Series Extent
  • User Site ID: 1990MO167115M
  • User Pedon ID: 1990MO167115
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9016729
  • Print Date: 4/27/2025

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 37.4499833
  • Std. Longitude: -93.4348139
  • Datum: WGS84
  • Township: T31N
  • Range: R23W
  • Section: 2
  • PLSS Details: 950 feet S and 400 feet E of the NW corner
  • Location Description: 950 feet south and 400 feet East of the NW corner of S2, T31N, R23W., Presley.
  • Map Unit: 75375—Horsecreek silt loam, 0 to 2 percent slopes, occasionally flooded
  • State: Missouri
  • County: MO167—Polk
  • MLRA: 116B—Springfield Plain
  • Non-MLRA Soil Survey Area: MO167—Polk County, Missouri

    • PEDON

  • Describers Name: Richard L. Henderson and John Bowers
  • Current Taxonomic Class: Fine-silty, mixed Mollic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Ashton
  • PSC - 46 to 96 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Ashton
  • Taxon Kind - series
  • PSC - 46 to 96 cm.
  • Classificaton Date - 8/8/1990
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from mixed
  • Landscape: river valley
  • Landform: stream terrace
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/8/1990 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—20

    20—152

    —-

    —-
    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    1

    —

    —

    282

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 20 centimeters (0.0 to 7.9 inches); dark brown (10YR 3/3) silt loam; weak very fine subangular blocky structure; very friable; 6.0 fine roots; fragments; neutral, pH 7.1, hellige-truog; clear smooth boundary. Lab sample # MU039421
    Bt1—20 to 46 centimeters (7.9 to 18.1 inches); brown (10YR 4/3) silt loam; weak medium subangular blocky structure; friable; 3.0 fine roots; 15 percent distinct clay films on faces of peds and 15 percent distinct silt coats on faces of peds; fragments; neutral, pH 7.1, hellige-truog; gradual smooth boundary. Lab sample # MU039422
    Bt2—46 to 66 centimeters (18.1 to 26.0 inches); brown (10YR 4/3) silt loam; moderate medium subangular blocky structure; firm; 3.0 fine roots; 15 percent distinct silt coats on faces of peds and 35 percent distinct clay films on faces of peds; fragments; neutral, pH 7.1, hellige-truog; gradual smooth boundary. Lab sample # MU039423
    Bt3—66 to 124 centimeters (26.0 to 48.8 inches); dark yellowish brown (10YR 4/4) silt loam; moderate coarse subangular blocky structure; firm; 3.0 fine roots; 15 percent distinct silt coats on faces of peds and 35 percent distinct clay films on faces of peds; 1 percent fine iron-manganese masses and 1 percent fine brown (10YR 5/3) iron depletions; fragments; neutral, pH 7.2, hellige-truog; gradual smooth boundary. Lab sample # MU039424
    Bt4—124 to 152 centimeters (48.8 to 59.8 inches); dark yellowish brown (10YR 4/4) silt loam; weak coarse subangular blocky structure; firm; 0.5 fine roots; 15 percent distinct clay films on faces of peds and 15 percent distinct silt coats on faces of peds; fragments; neutral, pH 7.0, hellige-truog. Lab sample # MU039425