IDENTIFIERS

  • Current Taxon Name (Soil Name): Courtois
  • OSD
  • Series Extent
  • User Site ID: 1998MO223151M
  • User Pedon ID: 1998MO223151
  • User Site Association ID: 8123
  • Transect:
  • User Transect ID - wayne-66
  • Transect Stop Number - 2
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9822353
  • Print Date: 11/23/2024

    • 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: 37.1915207
  • Std. Longitude: -90.5046768
  • Datum: WGS84
  • Map Unit: 73144—Courtois silt loam, 8 to 15 percent slopes18D—Courtois silt loam, 8 to 15 percent slopes
  • State: Missouri
  • County: MO223—Wayne
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO223—Wayne County, Missouri
  • 7.5 Minute USGS Quad: 37090-B5—Patterson, Missouri

    • PEDON

  • Describers Name: DH, RT and KG
  • Current Taxonomic Class: Fine, mixed, semiactive, mesic Ultic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Courtois
  • PSC - 18 to 68 cm.
  • Classificaton Date - 12/10/2010
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Courtois
  • Taxonomic Class - Fine, mixed, active, mesic Typic Paleudalfs
  • Taxon Kind - series
  • Classificaton Date - 10/28/1998
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium over residuum
  • Landscape: basin
  • Landform: basin floor
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: lower third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/28/1998 (actual site observation date)
  • Air Photo ID: E2
  • Surface Cover Properties:
  • 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—18

    18—173

    —-

    —-
    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

    12

    —

    —

    128

    —

    280

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); reddish brown (5YR 4/4), light brown (7.5YR 6/4), dry; gravelly silt loam; moderate very fine and fine subangular blocky structure; friable; 4.0 very fine to medium roots; 4.0 very fine vesicular pores; 15 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU013360
    2Bt1—18 to 36 centimeters (7.1 to 14.2 inches); red (2.5YR 4/6) clay; moderate very fine and fine subangular blocky structure; firm; 3.0 very fine and fine roots; 4.0 very fine vesicular pores; 10 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU013361
    2Bt2—36 to 53 centimeters (14.2 to 20.9 inches); red (2.5YR 4/6) clay; moderate very fine and fine subangular blocky structure; firm; 0.5 very fine roots; 3.0 very fine and fine vesicular and 1.0 medium tubular pores; 10 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU013362
    2Bt3—53 to 86 centimeters (20.9 to 33.9 inches); red (2.5YR 4/6) gravelly clay; moderate very fine and fine subangular blocky structure; firm; 0.5 very fine roots; 3.0 very fine and fine vesicular pores; 15 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU013363
    2Bt4—86 to 112 centimeters (33.9 to 44.1 inches); 95 percent yellowish red (5YR 4/6) and 5 percent red (2.5YR 4/6) gravelly silty clay loam; moderate very fine and fine angular blocky structure; firm; 0.5 very fine roots; 3.0 very fine and fine vesicular pores; 15 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU013364
    2Bt5—112 to 147 centimeters (44.1 to 57.9 inches); 70 percent red (2.5YR 4/6) and 20 percent yellowish red (5YR 4/6) gravelly silty clay loam; weak very fine and fine angular blocky structure; very firm; 0.5 very fine to medium roots; 1.0 very fine vesicular pores; 5 percent pinkish gray (7.5YR 6/2) iron depletions and 20 percent black (10YR 2/1) iron-manganese masses; 15 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU013365
    2Bt6—147 to 173 centimeters (57.9 to 68.1 inches); 80 percent red (2.5YR 4/6) and 20 percent yellowish red (5YR 4/6) gravelly clay; weak very fine and fine angular blocky structure; very firm; 0.5 very fine roots; 1.0 very fine vesicular pores; 5 percent pinkish gray (7.5YR 6/2) iron depletions and 25 percent black (10YR 2/1) iron-manganese masses; 15 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU013366
    2BC—173 to 203 centimeters (68.1 to 79.9 inches); 70 percent red (2.5YR 4/6) and 30 percent yellowish red (5YR 4/6) clay; weak very fine and fine angular blocky structure; firm; 0.5 very fine roots; 1.0 very fine vesicular pores; 8 percent pinkish gray (7.5YR 6/2) iron depletions and 20 percent black (10YR 2/1) iron-manganese masses; 5 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments. Lab sample # MU013367