IDENTIFIERS

  • Current Taxon Name (Soil Name): Courtois
  • OSD
  • Series Extent
  • User Site ID: 1992MO099128M
  • User Pedon ID: 1992MO099128
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9209940
  • Print Date: 11/12/2024

    • 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: 38.2025551
  • Std. Longitude: -90.7706714
  • Datum: WGS84
  • State: Missouri
  • County: MO099—Jefferson
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: J. Dodd, E. Dettman, D. Skaer
  • Current Taxonomic Class: Fine-silty Typic Paleudalfs
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Courtois
  • Taxonomic Class - Fine-silty Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 25 to 75 cm.
  • Classificaton Date - 10/9/1992
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or residuum
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/9/1992 (actual site observation date)
  • Air Photo ID: 30
  • 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

    2

    —

    —

    —

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments. partially decomposed roots, leaves, and twigs.
    A—3 to 13 centimeters (1.2 to 5.1 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; silt loam; weak fine subangular blocky, and weak fine granular structure; very friable; 10.0 very fine and fine roots and 1.0 fine roots; 10.0 very fine and fine tubular pores; fragments; clear smooth boundary. Lab sample # MU013046
    E—13 to 28 centimeters (5.1 to 11.0 inches); yellowish brown (10YR 5/6) silt loam; weak fine subangular blocky structure; friable; 3.0 medium roots and 10.0 fine roots; 10.0 very fine and fine tubular pores; fragments; clear wavy boundary. Lab sample # MU013047
    Bt1—28 to 41 centimeters (11.0 to 16.1 inches); strong brown (7.5YR 4/6) silty clay loam; moderate fine angular blocky structure; firm; 3.0 medium roots and 10.0 fine roots; 3.0 very fine tubular pores; 30 percent faint clay films on faces of peds; fragments; gradual wavy boundary. Lab sample # MU013048
    Bt2—41 to 64 centimeters (16.1 to 25.2 inches); strong brown (7.5YR 4/6) and strong brown (7.5YR 5/6) silty clay loam; weak fine angular blocky structure; firm; 1.0 medium roots and 3.0 fine roots; 3.0 very fine and fine tubular pores; 30 percent distinct clay films on faces of peds; fragments; clear wavy boundary. Lab sample # MU013049
    Bt3—64 to 89 centimeters (25.2 to 35.0 inches); yellowish brown (10YR 5/6) and strong brown (7.5YR 4/6) silty clay loam; moderate very fine angular blocky structure; firm; 1.0 medium roots and 3.0 fine roots; 1.0 very fine tubular pores; 30 percent distinct clay films on faces of peds and 30 percent distinct skeletans; 5 percent by volume 2-39-75 millimeter limestone, cherty fragments; abrupt wavy boundary. Lab sample # MU013050
    2Bt4—89 to 112 centimeters (35.0 to 44.1 inches); strong brown (7.5YR 4/6) and brown (7.5YR 5/4) extremely gravelly clay loam; weak fine angular blocky structure; firm; 1.0 very fine and fine roots; 1.0 very fine tubular pores; 30 percent distinct clay films on faces of peds and 30 percent distinct skeletans; 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; abrupt wavy boundary. Lab sample # MU013051
    2Bt5—112 to 160 centimeters (44.1 to 63.0 inches); dark red (2.5YR 3/6) gravelly clay; 10 percent strong brown (7.5YR 5/6) fine prominent mottles; moderate fine and medium angular blocky structure; very firm; 1.0 very fine and fine tubular pores; 10 percent faint manganese or iron-manganese stains and 60 percent prominent clay films on faces of peds; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 20 percent by volume 2-39-75 millimeter limestone, cherty fragments. Lab sample # MU013052