IDENTIFIERS

  • Current Taxon Name (Soil Name): Cornwall
  • OSD
  • Series Extent
  • User Site ID: 1997MO223167M
  • User Pedon ID: 1997MO223167
  • User Site Association ID: 8096
  • Transect:
  • User Transect ID - wayne-40
  • Transect Stop Number - 5
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9722335
  • Print Date: 11/26/2024

    • 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: 37.2408638
  • Std. Longitude: -90.2745056
  • Datum: WGS84
  • 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-B3—Lowndes, Missouri

    • PEDON

  • Describers Name: RT,KG,SA
  • 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 - Cornwall
  • PSC - 15 to 65 cm.
  • Classificaton Date - 12/10/2010
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Cornwall
  • Taxon Kind - series
  • Classificaton Date - 7/14/1997
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess over slope alluvium over residuum
  • Landscape: plateau
  • Landform: terrace
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/14/1997 (actual site observation date)
  • Air Photo ID: I-2
  • 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—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

    5

    —

    —

    171

    —

    170

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 4/3) silt loam; moderate very fine and fine granular structure; friable; 8.0 very fine and fine roots; 10.0 very fine and fine and 3.0 medium pores; 1 percent by volume subangular 2-39-75 millimeter mixed fragments; clear smooth boundary. Lab sample # MU012653
    Bt1—15 to 36 centimeters (5.9 to 14.2 inches); strong brown (7.5YR 4/6) silt loam; moderate fine and medium subangular blocky structure; firm; moderate permeability; 1.0 very fine and fine roots; 6.0 very fine pores; 10 percent brown (7.5YR 4/4) organic stains; 1 percent by volume subangular 2-39-75 millimeter mixed fragments; clear smooth boundary. Lab sample # MU012654
    Bt2—36 to 56 centimeters (14.2 to 22.0 inches); dark yellowish brown (10YR 4/6) silty clay loam; moderate very fine and fine subangular blocky structure; firm; 1.0 very fine roots; 10.0 very fine and fine pores; 5 percent black (10YR 2/1) iron-manganese masses; 1 percent by volume subangular 2-39-75 millimeter mixed fragments; clear smooth boundary. Lab sample # MU012655
    Bt3—56 to 71 centimeters (22.0 to 28.0 inches); 70 percent yellowish brown (10YR 5/4) and 30 percent light yellowish brown (10YR 6/4) silt loam; moderate medium prismatic parts to moderate very fine and fine subangular blocky structure; firm; 0.5 very fine roots; 8.0 very fine and fine pores; 10 percent black (10YR 2/1) iron-manganese masses; 3 percent by volume subangular 2-39-75 millimeter mixed fragments; clear smooth boundary. Lab sample # MU012656
    Bt4—71 to 89 centimeters (28.0 to 35.0 inches); light yellowish brown (10YR 6/4) silt loam; moderate medium prismatic parts to moderate very fine and fine subangular blocky structure; firm; 0.1 very fine roots; 3.0 very fine pores; 10 percent strong brown (7.5YR 5/8) masses of oxidized iron and 15 percent black (10YR 2/1) iron-manganese masses and 15 percent light brownish gray (10YR 6/2) iron depletions; 3 percent by volume subangular 2-39-75 millimeter mixed fragments; abrupt smooth boundary. Lab sample # MU012657
    2Btx1—89 to 127 centimeters (35.0 to 50.0 inches); light yellowish brown (10YR 6/4) extremely gravelly silt loam; moderate fine subangular blocky structure; very firm; slow permeability; 3.0 very fine pores; 10 percent dark yellowish brown (10YR 4/4) clay films and 10 percent black (10YR 2/1) manganese or iron-manganese stains; 25 percent strong brown (7.5YR 5/8) masses of oxidized iron and 35 percent light brownish gray (10YR 6/2) iron depletions; 10 percent by volume subangular 75-162-250 millimeter mixed fragments and 55 percent by volume subangular 2-39-75 millimeter mixed fragments; gradual wavy boundary. Lab sample # MU012658
    2Btx2—127 to 157 centimeters (50.0 to 61.8 inches); light yellowish brown (10YR 6/4) very gravelly loam; moderate fine subangular blocky structure; very firm; 5.0 very fine pores; 10 percent dark yellowish brown (10YR 4/4) clay films and 10 percent black (10YR 2/1) manganese or iron-manganese stains; 25 percent light brownish gray (10YR 6/2) iron depletions and 40 percent strong brown (7.5YR 5/8) masses of oxidized iron; 2 percent by volume subangular 250-425-600 millimeter mixed fragments and 10 percent by volume subangular 75-162-250 millimeter mixed fragments and 45 percent by volume subangular 2-39-75 millimeter mixed fragments; gradual wavy boundary. Lab sample # MU012659
    3Bt5—157 to 180 centimeters (61.8 to 70.9 inches); 50 percent yellowish red (5YR 5/6) and 50 percent yellowish red (5YR 4/6) very gravelly clay loam; moderate very fine and fine angular blocky structure; very firm; 3.0 very fine pores; 5 percent gray (10YR 5/1) clay films; 5 percent by volume subangular 75-162-250 millimeter mixed fragments and 50 percent by volume subangular 2-39-75 millimeter mixed fragments; clear wavy boundary. Lab sample # MU012660
    3Bt6—180 to 203 centimeters (70.9 to 79.9 inches); 60 percent yellowish red (5YR 5/6) and 40 percent red (2.5YR 4/6) clay; strong very fine and fine angular blocky structure; very firm; 1.0 very fine pores; 5 percent brown (7.5YR 4/4) clay films; 5 percent black (10YR 2/1) iron-manganese masses; 5 percent by volume subangular 75-162-250 millimeter mixed fragments and 5 percent by volume subangular 2-39-75 millimeter mixed fragments. Lab sample # MU012661