IDENTIFIERS

  • Current Taxon Name (Soil Name): Cornwall
  • OSD
  • Series Extent
  • User Site ID: 1997MO223201M
  • User Pedon ID: 1997MO223201
  • User Site Association ID: 8100
  • Transect:
  • User Transect ID - wayne-44
  • Transect Stop Number - 6
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9722353
  • 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: 37.0849457
  • Std. Longitude: -90.6507568
  • Datum: WGS84
  • Map Unit: 84D—Tilk, occasionally flooded-Cornwall-Poynor complex, 3 to 15 percent slopes75428—Tilk, occasionally flooded-Cornwall-Poynor complex, 0 to 15 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-A6—Mill Spring, Missouri

    • PEDON

  • Describers Name: DH, RT, SA, KG
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Typic Fragiudults
  • 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 - 18 to 68 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 - 12/4/1997
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/4/1997 (actual site observation date)
  • Air Photo ID: C4
  • 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

    fragipan

    0—18

    18—196

    91—117

    —-

    —-

    —-
    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

    10

    —

    —

    223

    —

    352

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 18 centimeters (0.0 to 7.1 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/3), dry; silt loam; moderate very fine subangular blocky structure; very friable; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU012670
    Bt1—18 to 48 centimeters (7.1 to 18.9 inches); dark yellowish brown (10YR 4/6) silty clay loam; moderate very fine and fine subangular blocky structure; firm; fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU012671
    Bt2—48 to 61 centimeters (18.9 to 24.0 inches); yellowish brown (10YR 5/6) silty clay loam; moderate very fine and fine subangular blocky structure; firm; moderate permeability; fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # MU012672
    Bt3—61 to 91 centimeters (24.0 to 35.8 inches); 60 percent gray (10YR 6/1) and 40 percent yellowish brown (10YR 5/6) loam; moderate very fine and fine angular blocky structure; firm; 3 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU012673
    2Btx—91 to 117 centimeters (35.8 to 46.1 inches); light yellowish brown (10YR 6/4) very gravelly silt loam; weak thin platy structure; very firm; very slow permeability; 20 percent gray (10YR 6/1) iron depletions; 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # MU012674. Iron depletions in upper half of horizon.
    3Bt4—117 to 163 centimeters (46.1 to 64.2 inches); 35 percent red (2.5YR 4/8) and 35 percent yellowish brown (10YR 5/8) and 30 percent brownish yellow (10YR 6/8) clay; weak thin platy parts to moderate fine and medium angular blocky structure; very firm; 20 percent gray (10YR 6/1) iron depletions; 7 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU012675
    3Bt5—163 to 196 centimeters (64.2 to 77.2 inches); 35 percent brownish yellow (10YR 6/8) and 35 percent yellowish brown (10YR 5/6) and 30 percent red (2.5YR 4/8) gravelly clay loam; moderate very fine and fine subangular blocky structure; firm; 20 percent gray (10YR 6/1) iron depletions; 15 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog. Lab sample # MU012676