IDENTIFIERS

  • Current Taxon Name (Soil Name): Courtois
  • OSD
  • Series Extent
  • User Site ID: 1998MO221195M
  • User Pedon ID: 1998MO221195
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9822157
  • 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: 37.7890993
  • Std. Longitude: -90.8365409
  • Datum: WGS84
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: DMS
  • Current Taxonomic Class: Very-fine, mixed Typic Paleudalfs
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Courtois
  • Taxonomic Class - Very-fine, mixed Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 10 to 60 cm.
  • Classificaton Date - 12/10/1998
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum
  • Landscape: hills
  • Landform: hillside
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/10/1998 (actual site observation date)
  • Air Photo ID: A.S. E-11
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—10

    10—178

    —-

    —-
    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

    10

    —

    —

    273

    —

    70

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); dark brown (7.5YR 3/4) silty clay loam; moderate very fine subangular blocky structure; friable; 6.0 very fine and fine roots; 3.0 very fine and fine vesicular and tubular pores; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # MU061182
    Bt1—10 to 23 centimeters (3.9 to 9.1 inches); yellowish red (5YR 4/6) silty clay loam; moderate very fine subangular blocky structure; firm; 6.0 very fine and fine roots; 3.0 very fine and fine vesicular and tubular pores; 15 percent prominent clay films on faces of peds; fragments; slightly acid, pH 6.4, hellige-truog; clear smooth boundary. Lab sample # MU061183. discontinuous - phpvsfiid 135729; discontinuous - phpvsfiid 135729
    2Bt2—23 to 38 centimeters (9.1 to 15.0 inches); dark red (2.5YR 3/6) clay; weak fine prismatic parts to moderate very fine subangular blocky structure; firm; 3.0 very fine and fine roots; 3.0 very fine and fine vesicular and tubular pores; 15 percent distinct manganese or iron-manganese stains on faces of peds and 30 percent prominent clay films on faces of peds; 5 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.9, hellige-truog; clear smooth boundary. Lab sample # MU061184. patchy - phpvsfiid 136039; discontinuous - phpvsfiid 136038; patchy - phpvsfiid 136039; discontinuous - phpvsfiid 136038
    2Bt3—38 to 53 centimeters (15.0 to 20.9 inches); 50 percent red (2.5YR 4/6) and 50 percent yellowish brown (10YR 5/6) clay; weak fine prismatic parts to moderate fine subangular blocky structure; very firm; 0.5 very fine and fine roots; 3.0 very fine and fine vesicular and tubular pores; 15 percent prominent manganese or iron-manganese stains on faces of peds and 30 percent prominent clay films on faces of peds; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # MU061185. patchy - phpvsfiid 136041; discontinuous - phpvsfiid 136040; patchy - phpvsfiid 136041; discontinuous - phpvsfiid 136040
    2Bt4—53 to 69 centimeters (20.9 to 27.2 inches); 75 percent yellowish brown (10YR 5/6) and 25 percent red (2.5YR 4/6) clay; 10 percent pale brown (10YR 6/3) fine prominent mottles; weak medium prismatic parts to moderate fine subangular blocky structure; very firm; 0.5 very fine and fine roots; 3.0 very fine and fine vesicular and tubular pores; 30 percent distinct clay films on faces of peds; 15 percent fine and medium irregular 2.5Y 2/ (2.5Y 2/) manganese masses between peds; fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # MU061186. discontinuous - phpvsfiid 136042; discontinuous - phpvsfiid 136042
    2Bt5—69 to 84 centimeters (27.2 to 33.1 inches); strong brown (7.5YR 4/6) clay; weak medium prismatic parts to moderate fine angular blocky structure; very firm; 0.5 very fine and fine vesicular and tubular pores; 60 percent distinct clay films on faces of peds; 60 percent fine and medium irregular 2.5Y 2/ (2.5Y 2/) manganese masses between peds; fragments; slightly acid, pH 6.1, hellige-truog; abrupt smooth boundary. Lab sample # MU061187. discontinuous - phpvsfiid 136043; discontinuous - phpvsfiid 136043
    2Bt6—84 to 122 centimeters (33.1 to 48.0 inches); 60 percent greenish gray (5GY 6/1) and 20 percent yellowish red (5YR 4/6) and 20 percent brownish yellow (10YR 6/6) silty clay; weak coarse prismatic parts to moderate fine angular blocky structure; very firm; 3.0 very fine and fine vesicular and tubular pores; 60 percent distinct clay films on faces of peds; 5 percent by volume angular 2-39-75 millimeter shale, unspecified fragments; neutral, pH 7.3, hellige-truog; abrupt smooth boundary. Lab sample # MU061188. discontinuous - phpvsfiid 136044; discontinuous - phpvsfiid 136044
    2Bt7—122 to 178 centimeters (48.0 to 70.1 inches); red (2.5YR 4/6) clay; weak coarse prismatic parts to moderate fine angular blocky structure; very firm; 3.0 very fine and fine vesicular and tubular pores; 60 percent prominent clay films on faces of peds; 5 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; slightly alkaline, pH 7.8, hellige-truog. Lab sample # MU061189. discontinuous - phpvsfiid 136045; discontinuous - phpvsfiid 136045