IDENTIFIERS

  • Current Taxon Name (Soil Name): Courtois
  • OSD
  • Series Extent
  • User Site ID: 1998MO223152M
  • User Pedon ID: 1998MO223152
  • User Site Association ID: 8123
  • Transect:
  • User Transect ID - wayne-66
  • Transect Stop Number - 3
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9822354
  • 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: 37.1894455
  • Std. Longitude: -90.5047913
  • Datum: WGS84
  • Location Description: 450 feet west and 1,100 feet south of the southwest corner of Highway 34 Bridge over the St. Francis River.
  • Map Unit: 73144—Courtois silt loam, 8 to 15 percent slopes
  • State: Missouri
  • County: MO223—Wayne
  • MLRA: 116A—Ozark Highland
  • MLRA Soil Survey Area: NC-SPM—Springfield, Missouri
  • 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, active, mesic Typic Paleudalfs
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Courtois
  • PSC - 41 to 91 cm.
  • Classificaton Date - 4/1/2011
  • 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: medium
  • 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:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • 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—203

    —-

    —-
    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

    14

    —

    —

    134

    —

    280

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 18 centimeters (0.0 to 7.1 inches); dark brown (7.5YR 3/3) silt loam; moderate fine subangular blocky structure; friable; 10.0 very fine to coarse roots; 20.0 very fine and fine vesicular and 2.0 fine tubular pores; 10 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU013368
    BE—18 to 41 centimeters (7.1 to 16.1 inches); brown (7.5YR 4/4) silt loam; moderate very fine subangular blocky structure; firm; 6.0 very fine to medium roots; 8.0 very fine and fine vesicular and 1.0 fine tubular pores; fragments; strongly acid, pH 5.4, hellige-truog; gradual smooth boundary. Lab sample # MU013369
    Bt1—41 to 69 centimeters (16.1 to 27.2 inches); 60 percent red (2.5YR 4/6) and 40 percent yellowish red (5YR 4/6) silty clay loam; moderate very fine and fine subangular blocky structure; very firm; 1.0 very fine and fine roots; 5.0 very fine vesicular and 2.0 fine tubular pores; 2 percent black (10YR 2/1) iron-manganese masses; fragments; strongly acid, pH 5.2, hellige-truog; gradual smooth boundary. Lab sample # MU013370
    2Bt2—69 to 91 centimeters (27.2 to 35.8 inches); 60 percent red (2.5YR 4/6) and 40 percent yellowish red (5YR 4/6) silty clay; moderate very fine and fine subangular blocky structure; very firm; 1.0 very fine and fine roots; 5.0 very fine vesicular and 2.0 fine tubular pores; 2 percent black (10YR 2/1) iron-manganese masses; fragments; strongly acid, pH 5.1, hellige-truog; abrupt wavy boundary. Lab sample # MU013371
    2Bt3—91 to 127 centimeters (35.8 to 50.0 inches); 70 percent red (10R 4/6) and 30 percent yellowish red (5YR 4/6) very gravelly clay; strong very fine and fine angular blocky structure; very firm; 0.5 very fine and fine roots; 5.0 very fine vesicular pores; 2 percent black (10YR 2/1) iron-manganese masses; 40 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; gradual smooth boundary. Lab sample # MU013372
    3Bt4—127 to 152 centimeters (50.0 to 59.8 inches); 70 percent red (10R 4/6) and 30 percent yellowish red (5YR 4/6) very gravelly clay; strong very fine and fine angular blocky structure; very firm; 0.5 very fine and fine roots; 5.0 very fine vesicular pores; 2 percent black (10YR 2/1) iron-manganese masses; 40 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU013373
    3Bt5—152 to 178 centimeters (59.8 to 70.1 inches); 80 percent red (10R 4/6) and 20 percent yellowish red (5YR 4/6) clay; strong very fine angular blocky structure; very firm; 0.5 very fine and fine roots; 0.5 very fine vesicular pores; 2 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; gradual smooth boundary. Lab sample # MU013374
    3Bt6—178 to 203 centimeters (70.1 to 79.9 inches); 80 percent red (10R 4/6) and 20 percent yellowish red (5YR 4/6) clay; strong very fine angular blocky structure; very firm; 0.5 very fine and fine roots; 0.5 very fine vesicular pores; 2 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog. Lab sample # MU013375