IDENTIFIERS

  • Current Taxon Name (Soil Name): Fourche
  • OSD
  • Series Extent
  • User Site ID: 1993MO223004M
  • User Pedon ID: 1993MO223004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9322304
  • Print Date: 2/17/2025
  • 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: 37.2377815
  • Std. Longitude: -90.5484467
  • Datum: WGS84
  • Township: T30N
  • Range: R5E
  • Section: 31
  • PLSS Details: 1000 feet S and 500 feet E of the NW corner
  • Location Description: 1000 ft. south, 500 ft. east of the NW corner of sec. 31, T.30N., R.5E.
  • Map Unit: 21C—Cornwall silt loam, 3 to 8 percent slopes74646—Cornwall silt loam, 3 to 8 percent slopes
  • State: Missouri
  • County: MO223—Wayne
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO223—Wayne County, Missouri
  • 7.5 Minute USGS Quad: 37090-B5—Patterson, Missouri
  • PEDON

  • Describers Name: DH
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Fragiaquic Paleudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Fourche
  • PSC - 30 to 80 cm.
  • Classificaton Date - 4/1/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Fourche
  • Taxonomic Class - Fine-silty, mixed, active, mesic Glossaquic Paleudalfs
  • Taxon Kind - series
  • Classificaton Date - 7/15/1993
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 57 Cation Exc. to Clay x100


  • SITE

  • Parent Material: loess over slope alluvium over residuum
  • Landscape: basin
  • Landform: basin-floor remnant
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/15/1993 (actual site observation date)
  • Air Photo ID: 2198-291
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • 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

    0—30

    30—135

    —-

    —-

    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

    2

    154

    180

    Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 4/3), light brownish gray (10YR 6/2), dry; silt loam; moderate coarse platy parts to weak fine granular structure; friable; 5.0 very fine and fine roots; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # MU016287
    E—18 to 30 centimeters (7.1 to 11.8 inches); brown (10YR 5/3), very pale brown (10YR 7/3), dry; silt loam; weak thin platy parts to weak fine subangular blocky structure; friable; 5.0 very fine and fine roots; fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU016288
    Bt1—30 to 46 centimeters (11.8 to 18.1 inches); 70 percent yellowish brown (10YR 5/4) and 20 percent strong brown (7.5YR 4/6) and 10 percent light brownish gray (10YR 6/2) silt loam; weak medium prismatic parts to moderate fine subangular blocky structure; friable; 5.0 very fine and fine roots; 15 percent faint clay films; 1 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.1, hellige-truog; gradual smooth boundary. Lab sample # MU016289
    2Btx1—46 to 61 centimeters (18.1 to 24.0 inches); 40 percent strong brown (7.5YR 4/6) and 40 percent yellowish brown (10YR 5/4) and 20 percent light brownish gray (10YR 6/2) silty clay loam; weak medium prismatic parts to moderate fine subangular blocky structure; friable; 0.5 very fine and fine roots; 15 percent faint clay films; 1 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # MU016290. Prisms are to small for fragipan, percentage of gravel is within the range.
    2Btx2—61 to 84 centimeters (24.0 to 33.1 inches); 40 percent light brownish gray (10YR 6/2) and 40 percent yellowish brown (10YR 5/4) and 20 percent strong brown (7.5YR 4/6) silty clay loam; weak medium prismatic parts to moderate fine angular blocky structure; firm; 0.5 very fine and fine roots; 15 percent faint clay films; 5 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.2, hellige-truog; abrupt wavy boundary. Lab sample # MU016291
    3Bt3—84 to 135 centimeters (33.1 to 53.1 inches); 60 percent red (2.5YR 4/6) and 40 percent strong brown (7.5YR 4/6) extremely gravelly clay; moderate fine angular blocky structure; very firm; 15 percent faint clay films; 10 percent by volume 75-162-250 millimeter unspecified fragments and 60 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 7.3, hellige-truog; clear wavy boundary. Lab sample # MU016292
    3Bt4—135 to 203 centimeters (53.1 to 79.9 inches); dark yellowish brown (10YR 4/6) and strong brown (7.5YR 4/6) clay; strong fine and medium angular blocky structure; very firm; 15 percent faint clay films; 3 percent by volume 2-39-75 millimeter unspecified fragments; slightly alkaline, pH 7.8, hellige-truog. Lab sample # MU016293