IDENTIFIERS

  • Current Taxon Name (Soil Name): Courtois
  • OSD
  • Series Extent
  • User Site ID: 1998MO221191M
  • User Pedon ID: 1998MO221191
  • Vegetation Plot ID: 1998MO221191
  • User Site Association ID: 7780
  • Transect:
  • User Transect ID - 2
  • Transect Stop Number - 4
  • Transect Interval - 100.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9822155
  • 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: 38.1055067
  • Std. Longitude: -90.9608980
  • Datum: WGS84
  • Location Description: Pea Ridge State Forest
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: DM,DS,JF,JS,GB
  • Current Taxonomic Class: Fine, mixed Typic Paleudalfs
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Courtois
  • Taxonomic Class - Fine, mixed Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 18 to 68 cm.
  • Classificaton Date - 11/30/1998
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or slope alluvium and/or residuum weathered from dolomite
  • Landscape: hills
  • Landform: bench
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: toeslope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Bedrock: s moderate weathered dolomite (dolostone)
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/30/1998 (actual site observation date)
  • Air Photo ID: C1
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ACER

    CAOV2

    QUAL

    Acer

    Carya ovata

    Quercus alba

    maple

    shagbark hickory

    white oak

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    argillic horizon

    argillic horizon

    18—168

    18—

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    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

    8

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    248

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    25

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    A—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 5/3) silt loam; weak fine subangular blocky structure; friable; 3.0 very fine and fine roots; 3.0 fine to coarse interstitial and tubular pores; fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU013346
    BA—10 to 18 centimeters (3.9 to 7.1 inches); 90 percent yellowish brown (10YR 5/4) and 10 percent light yellowish brown (10YR 6/4) silt loam; weak fine subangular blocky structure; friable; 1.0 fine to coarse roots; 3.0 fine to coarse interstitial and tubular pores; fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU013347
    Bt1—18 to 58 centimeters (7.1 to 22.8 inches); strong brown (7.5YR 4/6) silty clay loam; moderate fine subangular blocky structure; friable; 1.0 fine to coarse roots; 1.0 very fine and fine interstitial and tubular pores; 1 percent distinct silt coats on faces of peds and 30 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU013348. discontinuous - phpvsfiid 135719; discontinuous - phpvsfiid 135720; discontinuous - phpvsfiid 135719; discontinuous - phpvsfiid 135720
    Bt2—58 to 84 centimeters (22.8 to 33.1 inches); strong brown (7.5YR 5/6) silty clay loam; moderate fine subangular blocky structure; friable; 1.0 fine to coarse roots; 1.0 very fine interstitial and tubular pores; 1 percent distinct silt coats on faces of peds and 30 percent distinct clay films on faces of peds; 2 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU013349. discontinuous - phpvsfiid 135721; discontinuous - phpvsfiid 135722; discontinuous - phpvsfiid 135721; discontinuous - phpvsfiid 135722
    Bt3—84 to 114 centimeters (33.1 to 44.9 inches); 90 percent strong brown (7.5YR 5/8) and 10 percent very pale brown (10YR 7/4) silty clay loam; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; 1.0 fine and medium roots; 1.0 very fine interstitial and tubular pores; 15 percent distinct silt coats on faces of peds and 60 percent distinct clay films on faces of peds; 30 percent fine and medium threadlike manganese masses in cracks; 15 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU013350. discontinuous - phpvsfiid 135723; discontinuous - phpvsfiid 135724; discontinuous - phpvsfiid 135723; discontinuous - phpvsfiid 135724
    2Bt4—114 to 137 centimeters (44.9 to 53.9 inches); 70 percent yellowish red (5YR 4/6) and 30 percent red (2.5YR 4/6) very gravelly silty clay loam; weak coarse prismatic parts to moderate fine subangular blocky structure; very firm; 1.0 very fine and fine roots; 1.0 very fine and fine interstitial and tubular pores; 60 percent distinct clay films on faces of peds and 60 percent distinct skeletans on faces of peds; 15 percent fine and medium threadlike manganese masses in cracks; 60 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU013351. 40% brittle; discontinuous - phpvsfiid 135725; discontinuous - phpvsfiid 135726; discontinuous - phpvsfiid 135725; discontinuous - phpvsfiid 135726
    2Bt5—137 to 168 centimeters (53.9 to 66.1 inches); yellowish red (5YR 5/8) extremely gravelly silty clay loam; weak coarse prismatic parts to moderate fine subangular blocky structure; very firm; 1.0 very fine and fine roots; 1.0 very fine and fine interstitial and tubular pores; 30 percent distinct clay films on faces of peds and 60 percent distinct skeletans on faces of peds; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 70 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU013352. 60% brittle; discontinuous - phpvsfiid 135727; discontinuous - phpvsfiid 135728; discontinuous - phpvsfiid 135727; discontinuous - phpvsfiid 135728