IDENTIFIERS

  • Current Taxon Name (Soil Name): Courtois
  • OSD
  • Series Extent
  • User Site ID: 1999MO221214
  • User Pedon ID: 1999MO221214
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9922117
  • NCSS Pedon Lab Data NASIS Record ID - 35368
  • Print Date: 12/17/2024

    • 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: 38.0576951
  • Std. Longitude: -90.8395377
  • Datum: WGS84
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: GAL
  • Current Taxonomic Class: Fine, mixed Typic Hapludalfs
  • 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 Hapludalfs
  • Taxon Kind - series
  • PSC - 20 to 70 cm.
  • Classificaton Date - 7/30/1999
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/30/1999 (actual site observation date)
  • Air Photo ID: E-3
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    paralithic contact

    0—20

    20—140

    140—188

    —-

    —-

    —-
    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

    4

    —

    —

    241

    —

    115

    —

    —

    —

    —

    —

    —

    —

    —

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark yellowish brown (10YR 4/4), 70 percent light yellowish brown (10YR 6/4) and 30 percent pale brown (10YR 6/3), dry; silt loam; moderate very fine and fine subangular blocky parts to weak very fine and fine granular structure; very friable; 6.0 very fine and fine roots; 6.0 fine interstitial and tubular pores; 35 percent distinct silt coats on faces of peds; fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # MU063354. continuous - phpvsfiid 136533; continuous - phpvsfiid 136533
    Bt1—20 to 36 centimeters (7.9 to 14.2 inches); 60 percent dark yellowish brown (10YR 4/6) and 40 percent strong brown (7.5YR 4/6) silty clay loam; strong very fine and fine subangular blocky structure; friable; 3.0 very fine and fine roots; 6.0 fine interstitial and tubular pores; 15 percent distinct silt coats on faces of peds and 35 percent faint clay films on faces of peds; fragments; slightly acid, pH 6.5, hellige-truog; clear wavy boundary. Lab sample # MU063355. discontinuous - phpvsfiid 136534; continuous - phpvsfiid 136535; discontinuous - phpvsfiid 136534; continuous - phpvsfiid 136535
    Bt2—36 to 53 centimeters (14.2 to 20.9 inches); strong brown (7.5YR 5/6) silty clay; weak fine prismatic parts to moderate fine angular blocky structure; firm; 0.5 very fine and fine roots; 3.0 fine interstitial and tubular pores; 15 percent prominent manganese or iron-manganese stains on faces of peds and 60 percent distinct clay films on faces of peds; fragments; slightly acid, pH 6.1, hellige-truog; clear wavy boundary. Lab sample # MU063356. continuous - phpvsfiid 136536; patchy - phpvsfiid 136537; continuous - phpvsfiid 136536; patchy - phpvsfiid 136537
    Bt3—53 to 76 centimeters (20.9 to 29.9 inches); 50 percent strong brown (7.5YR 4/6) and 50 percent strong brown (7.5YR 5/6) silty clay; moderate very fine and fine prismatic parts to strong fine angular blocky structure; firm; 0.5 very fine and fine roots; 3.0 fine interstitial and tubular pores; 35 percent distinct manganese or iron-manganese stains on faces of peds and 60 percent distinct clay films on faces of peds; 5 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU063357. continuous - phpvsfiid 136538; patchy - phpvsfiid 136539; continuous - phpvsfiid 136538; patchy - phpvsfiid 136539
    Bt4—76 to 94 centimeters (29.9 to 37.0 inches); 50 percent strong brown (7.5YR 5/6) and 50 percent yellowish brown (10YR 5/6) silty clay; strong fine prismatic structure; very firm; 0.5 very fine and fine roots; 0.5 fine interstitial and tubular pores; 15 percent distinct manganese or iron-manganese stains on faces of peds and 60 percent distinct clay films on faces of peds; 35 percent fine and medium spherical iron-manganese masses between peds; fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU063358. continuous - phpvsfiid 136540; patchy - phpvsfiid 136541; continuous - phpvsfiid 136540; patchy - phpvsfiid 136541
    2Bt5—94 to 117 centimeters (37.0 to 46.1 inches); 70 percent strong brown (7.5YR 4/6) and 30 percent yellowish red (5YR 4/6) clay; strong fine and medium prismatic structure; very firm; 0.5 very fine and fine roots; 0.5 fine interstitial and tubular pores; 4 percent distinct manganese or iron-manganese stains on faces of peds and 60 percent distinct clay films on faces of peds; 10 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # MU063359. At 43 inches there is a 1 1/2 inch band of yellowish brown and brownish yellow loamy fine sand.; continuous - phpvsfiid 136542; patchy - phpvsfiid 136543; continuous - phpvsfiid 136542; patchy - phpvsfiid 136543
    2Bt6—117 to 140 centimeters (46.1 to 55.1 inches); strong brown (7.5YR 5/6) very gravelly clay; moderate fine prismatic structure; very firm; 0.5 fine interstitial and tubular pores; 60 percent distinct clay films on faces of peds; 40 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # MU063360. continuous - phpvsfiid 136544; continuous - phpvsfiid 136544
    2Cr—140 to 188 centimeters (55.1 to 74.0 inches); 20 percent dark yellowish brown (10YR 4/6) and 40 percent brownish yellow (10YR 6/6) and 40 percent light yellowish brown (10YR 6/4) gravelly very fine sandy loam; single grain; loose; 16 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; slightly alkaline, pH 7.5, hellige-truog. Lab sample # MU063361. Weathered dolomite.