IDENTIFIERS

  • Current Taxon Name (Soil Name): Courtois
  • OSD
  • Series Extent
  • User Site ID: 1993MO223013M
  • User Pedon ID: 1993MO223013
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9322313
  • Print Date: 11/21/2024
  • 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: 37.1720772
  • Std. Longitude: -90.5407867
  • Datum: WGS84
  • Township: T29N
  • Range: R5E
  • Section: 19
  • PLSS Details: 2000 feet W and 2400 feet N of the SE corner
  • Location Description: 2000 ft. west and 2400 ft. North of the SE corner of sec.19, T29N, R5E.
  • 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
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Oxyaquic Paleudalfs
  • 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 - 13 to 63 cm.
  • Classificaton Date - 3/7/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Courtois
  • Taxon Kind - series
  • Classificaton Date - 8/26/1993
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 40 Cation Exc. to Clay x100


  • SITE

  • Parent Material: slope alluvium over residuum
  • Landscape: basin
  • Landform: valley side
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: footslope
  • Slope Position: lower third
  • Runoff: high
  • Drainage Class: moderately well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/26/1993 (actual site observation date)
  • Air Photo ID: 2198-289
  • 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—13

    13—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

    12

    137

    340

    Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark brown (7.5YR 3/4), yellowish red (5YR 5/6), dry; silt loam; moderate fine and medium subangular blocky structure; friable; 6.0 very fine and fine roots; 8 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # MU049223
    Bt1—13 to 30 centimeters (5.1 to 11.8 inches); dark reddish brown (5YR 3/4) silty clay loam; moderate fine and medium subangular blocky structure; firm; 3.0 very fine and fine roots; 35 percent distinct clay films on faces of peds; 1 percent fine iron-manganese masses throughout; 1 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 6.9, hellige-truog; gradual wavy boundary. Lab sample # MU049224. discontinuous - phpvsfiid 140984; discontinuous - phpvsfiid 140984
    Bt2—30 to 51 centimeters (11.8 to 20.1 inches); dark reddish brown (2.5YR 3/4) silty clay loam; moderate fine and medium subangular blocky structure; firm; 3.0 very fine and fine roots; 35 percent distinct clay films on faces of peds; 10 percent medium and coarse iron-manganese masses throughout; 5 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 6.8, hellige-truog; clear wavy boundary. Lab sample # MU049225. discontinuous - phpvsfiid 140985; discontinuous - phpvsfiid 140985
    2Bt3—51 to 107 centimeters (20.1 to 42.1 inches); 50 percent dark red (2.5YR 3/6) and 40 percent strong brown (7.5YR 5/6) gravelly silty clay loam; weak medium prismatic parts to moderate fine angular blocky structure; firm; 3.0 very fine and fine roots; 35 percent distinct clay films on faces of peds; 10 percent medium and coarse iron-manganese masses throughout; 17 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU049226. discontinuous - phpvsfiid 140986; discontinuous - phpvsfiid 140986
    2Bt4—107 to 203 centimeters (42.1 to 79.9 inches); dark red (10R 3/6) clay; strong fine angular blocky structure; very firm; 0.5 fine roots; 35 percent distinct clay films on faces of peds; 3 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 6.0, hellige-truog. Lab sample # MU049227. discontinuous - phpvsfiid 140987; discontinuous - phpvsfiid 140987