IDENTIFIERS

  • Current Taxon Name (Soil Name): Courtois
  • OSD
  • Series Extent
  • User Site ID: 1997MO091334M
  • User Pedon ID: 1997MO091334
  • User Site Association ID: 8007
  • Transect:
  • User Transect ID - 50C-2
  • Transect Stop Number - 1
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9709168
  • Print Date: 11/23/2024
  • 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: 37.0108000
  • Std. Longitude: -92.0490833
  • Datum: WGS84
  • Map Unit: 73300—Macedonia gravelly silt loam, 3 to 8 percent slopes
  • State: Missouri
  • County: MO091—Howell
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO091—Howell County, Missouri
  • PEDON

  • Describers Name: JM, SVV, RDR
  • Current Taxonomic Class: Fine, mixed Typic Paleudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Courtois
  • PSC - 15 to 66 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Courtois
  • Taxon Kind - variant
  • Classificaton Date - 9/17/1997
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: slope alluvium over residuum
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/17/1997 (actual site observation date)
  • Surface Cover Properties:
  • 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

    3—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

    3

    402

    150

    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments. Lab sample # MU64450
    A—3 to 15 centimeters (1.2 to 5.9 inches); brown (10YR 4/3) rubbed gravelly silt loam; moderate medium granular structure; friable; 3.0 fine to coarse roots; 7.0 fine and medium interstitial pores; 2 percent fine spherical black (N 2/0) iron-manganese concretions throughout; 15 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU057738
    2Bt1—15 to 25 centimeters (5.9 to 9.8 inches); yellowish red (5YR 4/6) exterior clay; moderate fine subangular blocky structure; firm; 0.9 very fine to coarse roots; 7.0 very fine and fine tubular pores; 35 percent faint yellowish red (5YR 4/6), moist, clay films throughout and 35 percent prominent pale brown (10YR 6/3), moist, silt coats throughout and 35 percent distinct brown (10YR 4/3), moist, organic stains throughout; fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU057739. discontinuous - phpvsfiid 142345; discontinuous - phpvsfiid 142346; discontinuous - phpvsfiid 142347; discontinuous - phpvsfiid 142345; discontinuous - phpvsfiid 142346; discontinuous - phpvsfiid 142347
    2Bt2—25 to 61 centimeters (9.8 to 24.0 inches); yellowish red (5YR 4/6) exterior clay; moderate fine angular blocky structure; very firm; 0.9 very fine to coarse roots; 3.0 fine tubular pores; 35 percent distinct reddish brown (5YR 4/4), moist, clay films throughout; 1 percent by volume subangular 2-39-75 millimeter sandstone, unspecified fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU057740. continuous - phpvsfiid 142348; continuous - phpvsfiid 142348
    2Bt3—61 to 89 centimeters (24.0 to 35.0 inches); 70 percent red (2.5YR 4/6) exterior and 30 percent yellowish red (5YR 4/6) exterior gravelly clay; moderate medium subangular blocky parts to moderate fine angular blocky structure; very firm; 0.2 medium roots and 0.9 fine roots; 3.0 fine tubular pores; 75 percent distinct dark red (2.5YR 3/6), moist, clay films on faces of peds; 30 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU057741. continuous - phpvsfiid 142349; continuous - phpvsfiid 142349
    2Bt4—89 to 119 centimeters (35.0 to 46.9 inches); 60 percent red (2.5YR 4/6) exterior and 20 percent reddish yellow (7.5YR 6/6) exterior and 20 percent yellow (10YR 7/8) exterior gravelly clay; strong fine subangular blocky structure; extremely firm; 0.1 very fine roots; 3.0 fine interstitial and tubular pores; 35 percent distinct red (10R 4/6), moist, clay films on faces of peds and 35 percent prominent brown (10YR 4/3) clay films throughout; 10 percent by volume subangular 2-39-75 millimeter siltstone, noncalcareous fragments and 20 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU057742. discontinuous - phpvsfiid 142350; discontinuous - phpvsfiid 142351; discontinuous - phpvsfiid 142350; discontinuous - phpvsfiid 142351
    2Bt5—119 to 142 centimeters (46.9 to 55.9 inches); 60 percent red (2.5YR 4/6) exterior and 40 percent yellowish red (5YR 5/8) exterior clay; strong fine and medium angular blocky structure; extremely firm; 0.1 very fine roots; 0.9 fine interstitial and tubular pores; 35 percent faint red (2.5YR 4/6), moist, clay films on faces of peds and 35 percent prominent light brownish gray (10YR 6/2), moist, clay films on faces of peds; fragments; noneffervescent, by hcl, unspecified; gradual wavy boundary. Lab sample # MU057743. continuous - phpvsfiid 142352; continuous - phpvsfiid 142353; continuous - phpvsfiid 142352; continuous - phpvsfiid 142353
    2Bt6—142 to 165 centimeters (55.9 to 65.0 inches); 80 percent red (2.5YR 4/6) exterior and 20 percent brownish yellow (10YR 6/8) exterior clay; strong fine and medium angular blocky structure; extremely firm; 0.1 very fine roots; 0.9 fine interstitial and tubular pores; 75 percent faint red (2.5YR 4/6), moist, clay films on faces of peds; 5 percent by volume subangular 2-39-75 millimeter siltstone, noncalcareous fragments; noneffervescent, by hcl, unspecified; very strongly acid, pH 4.6, hellige-truog. Lab sample # MU057744. continuous - phpvsfiid 142354; continuous - phpvsfiid 142354