IDENTIFIERS

  • Current Taxon Name (Soil Name): Ashton
  • OSD
  • Series Extent
  • User Site ID: 1991MO099044
  • User Pedon ID: 1991MO099044
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M91099165
  • Print Date: 12/5/2025

    • 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: 38.2322770
  • Std. Longitude: -90.7028916
  • Datum: WGS84
  • Location Description: Big River + Hwy Y
  • State: Missouri
  • County: MO099—Jefferson

    • PEDON

  • Describers Name: JAD, EJD
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Ashton
  • Classificaton Date - 5/6/1991
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Landscape: river valley
  • Landform: flood plain
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/6/1991 (actual site observation date)
  • Air Photo ID: 26
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    —

    —

    157

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 25 centimeters (0.0 to 9.8 inches); dark brown (10YR 3/3), yellowish brown (10YR 5/4), dry; silt loam; weak fine granular structure; very friable; 10.0 very fine and fine roots and 3.0 medium roots; fragments; gradual smooth boundary. Lab sample # MU009928
    AB—25 to 51 centimeters (9.8 to 20.1 inches); dark brown (10YR 3/3) and dark yellowish brown (10YR 4/4) silt loam; weak fine subangular blocky, and weak fine granular structure; friable; 3.0 very fine and fine roots and 1.0 medium roots; fragments; clear smooth boundary. Lab sample # MU009929
    Bt1—51 to 91 centimeters (20.1 to 35.8 inches); brown (7.5YR 4/4) silt loam; weak fine subangular blocky structure; firm; 1.0 very fine and fine roots; 30 percent distinct clay films on faces of peds; fragments; gradual smooth boundary. Lab sample # MU009930
    Bt2—91 to 183 centimeters (35.8 to 72.0 inches); brown (7.5YR 4/4) silt loam; moderate medium subangular blocky structure; firm; 1.0 very fine and fine roots; 30 percent distinct clay films on faces of peds; fragments. Lab sample # MU009931