IDENTIFIERS

  • Current Taxon Name (Soil Name): Courtois
  • OSD
  • Series Extent
  • User Site ID: 1998MO221140M
  • User Pedon ID: 1998MO221140
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9822113
  • 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: 38.0767444
  • Std. Longitude: -91.0747863
  • Datum: WGS84
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: GAL
  • 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 - 15 to 66 cm.
  • Classificaton Date - 3/30/1998
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or residuum weathered from cherty limestone
  • Landscape: valley
  • Landform: valley side
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/30/1998 (actual site observation date)
  • Air Photo ID: A-3
  • 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—15

    15—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

    —

    —

    268

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); 60 percent brown (10YR 4/3) and 40 percent dark yellowish brown (10YR 4/4), light yellowish brown (10YR 6/4), dry; silty clay loam; moderate very fine subangular blocky parts to moderate very fine and fine granular structure; friable; 6.0 very fine and fine roots; 6.0 very fine and fine interstitial and tubular pores; 1 percent fine spherical black (10YR 2/1) manganese masses between peds; fragments; slightly acid, pH 6.1, hellige-truog; clear smooth boundary. Lab sample # MU060979
    Bt1—15 to 33 centimeters (5.9 to 13.0 inches); 50 percent strong brown (7.5YR 4/6) and 50 percent yellowish red (5YR 4/6) silty clay; moderate fine and medium subangular blocky structure; firm; 3.0 very fine and fine roots; 6.0 very fine and fine interstitial and tubular pores; 30 percent distinct clay films on faces of peds; 1 percent fine spherical black (10YR 2/1) manganese masses between peds; 2 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # MU060980. discontinuous - phpvsfiid 135494; discontinuous - phpvsfiid 135494
    Bt2—33 to 51 centimeters (13.0 to 20.1 inches); 50 percent dark red (2.5YR 3/6) and 50 percent red (2.5YR 4/6) silty clay; weak fine prismatic parts to moderate fine angular blocky structure; very firm; 0.5 very fine and fine roots; 3.0 very fine and fine interstitial and tubular pores; 60 percent distinct clay films on faces of peds; 15 percent fine spherical black (10YR 2/1) manganese masses between peds; 5 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.7, hellige-truog; clear smooth boundary. Lab sample # MU060981. continuous - phpvsfiid 135495; continuous - phpvsfiid 135495
    Bt3—51 to 74 centimeters (20.1 to 29.1 inches); red (2.5YR 4/6) silty clay; moderate fine and medium prismatic parts to strong fine angular blocky structure; very firm; 3.0 very fine and fine interstitial and tubular pores; 60 percent distinct clay films on faces of peds; 25 percent fine spherical manganese masses between peds; fragments; strongly acid, pH 5.3, hellige-truog; abrupt smooth boundary. Lab sample # MU060982. continuous - phpvsfiid 135496; continuous - phpvsfiid 135496
    2Bt4—74 to 104 centimeters (29.1 to 40.9 inches); 50 percent red (2.5YR 4/6) and 50 percent dark red (2.5YR 3/6) very gravelly clay; moderate fine and medium prismatic structure; very firm; 3.0 very fine and fine interstitial and tubular pores; 60 percent distinct clay films on faces of peds; 15 percent fine spherical black (10YR 2/1) manganese masses between peds; 40 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # MU060983. continuous - phpvsfiid 135497; continuous - phpvsfiid 135497
    2Bt5—104 to 140 centimeters (40.9 to 55.1 inches); 50 percent dusky red (10R 3/4) and 50 percent dark red (10R 3/6) gravelly clay; moderate fine and medium prismatic structure; very firm; 3.0 very fine and fine interstitial and tubular pores; 60 percent distinct clay films on faces of peds; 15 percent fine spherical black (10YR 2/1) manganese masses between peds; 25 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # MU060984. continuous - phpvsfiid 135498; continuous - phpvsfiid 135498
    2Bt6—140 to 203 centimeters (55.1 to 79.9 inches); dark red (10R 3/6) clay; moderate fine and medium prismatic structure; very firm; 3.0 very fine and fine interstitial and tubular pores; 60 percent distinct clay films on faces of peds; 1 percent fine spherical black (10YR 2/1) manganese masses between peds; 5 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; neutral, pH 6.7, hellige-truog. Lab sample # MU060985. continuous - phpvsfiid 135499; continuous - phpvsfiid 135499