IDENTIFIERS

  • Current Taxon Name (Soil Name): Cornwall
  • OSD
  • Series Extent
  • User Site ID: 1998MO223001M
  • User Pedon ID: 1998MO223001
  • User Site Association ID: 8104
  • Transect:
  • User Transect ID - wayne-48
  • Transect Stop Number - 1
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9822305
  • 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: 37.1560936
  • Std. Longitude: -90.4664230
  • Datum: WGS84
  • Township: T29N
  • Range: R5E
  • Section: 26
  • PLSS Details: 1950 feet W and 2700 feet N of the SE corner
  • Location Description: 1,950 feet west and 2,700 feet north of the southeast corner of sec. 26, T. 29 N., R. 5 E.
  • Map Unit: 74646—Cornwall silt loam, 3 to 8 percent slopes
  • State: Missouri
  • County: MO223—Wayne
  • MLRA: 116A—Ozark Highland
  • MLRA Soil Survey Area: NC-SPM—Springfield, Missouri
  • Non-MLRA Soil Survey Area: MO223—Wayne County, Missouri
  • 7.5 Minute USGS Quad: 37090-B4—Greenville, Missouri

    • PEDON

  • Describers Name: DH, RT and KG
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Fragiaquic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • 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 - 4/1/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Cornwall
  • Taxon Kind - series
  • Classificaton Date - 3/4/1998
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/4/1998 (actual site observation date)
  • Air Photo ID: F3
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • 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—18

    18—191

    —-

    —-
    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

    —

    —

    125

    —

    190

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 4/3), yellowish brown (10YR 5/4), dry; silt loam; moderate fine and medium subangular blocky structure; friable; fragments; slightly acid, pH 6.1, hellige-truog; abrupt broken boundary. Lab sample # MU012738
    Bt1—18 to 30 centimeters (7.1 to 11.8 inches); dark yellowish brown (10YR 4/4) silt loam; moderate fine and medium subangular blocky structure; friable; 10 percent faint clay films on faces of peds; fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # MU012739. discontinuous - phpvsfiid 207288; discontinuous - phpvsfiid 207288
    Bt2—30 to 46 centimeters (11.8 to 18.1 inches); yellowish brown (10YR 5/4) silt loam; moderate fine and medium subangular blocky structure; friable; 10 percent faint clay films on faces of peds; fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU012740. discontinuous - phpvsfiid 207289; discontinuous - phpvsfiid 207289
    Bt3—46 to 61 centimeters (18.1 to 24.0 inches); yellowish brown (10YR 5/6) silt loam; moderate fine and medium subangular blocky structure; friable; 10 percent faint clay films on faces of peds; fragments; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # MU012741. discontinuous - phpvsfiid 207290; discontinuous - phpvsfiid 207290
    2Btx1—61 to 86 centimeters (24.0 to 33.9 inches); yellowish brown (10YR 5/4) silty clay loam; weak medium prismatic parts to moderate fine and medium subangular blocky structure; firm; brittle; 10 percent faint clay films on faces of peds; 15 percent strong brown (7.5YR 5/8) masses of oxidized iron and 15 percent black (10YR 2/1) iron-manganese masses and 40 percent light brownish gray (10YR 6/2) iron depletions; fragments; 35 percent brittleness of horizon; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # MU012742. discontinuous - phpvsfiid 207291; discontinuous - phpvsfiid 207291
    2Btx2—86 to 112 centimeters (33.9 to 44.1 inches); yellowish brown (10YR 5/4) silt loam; moderate medium and coarse prismatic parts to moderate very fine and fine subangular blocky structure; firm; brittle; 25 percent distinct clay films on faces of peds; 10 percent light brownish gray (10YR 6/2) iron depletions and 10 percent red (2.5YR 4/6) masses of oxidized iron; fragments; 50 percent brittleness of horizon; very strongly acid, pH 4.8, hellige-truog; gradual broken boundary. Lab sample # MU012743. Water seeping into the pit at 40 inches.; discontinuous - phpvsfiid 207292; discontinuous - phpvsfiid 207292
    3Bt1—112 to 132 centimeters (44.1 to 52.0 inches); 70 percent yellowish red (5YR 4/6) and 30 percent red (2.5YR 4/6) silty clay loam; moderate medium and coarse prismatic parts to moderate very fine and fine subangular blocky structure; very firm; 2 percent black (10YR 2/1) iron-manganese masses and 2 percent light brownish gray (10YR 6/2) iron depletions; 10 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.6, hellige-truog; diffuse broken boundary. Lab sample # MU012744
    3Bt2—132 to 191 centimeters (52.0 to 75.2 inches); red (2.5YR 4/6) silty clay loam; strong medium and coarse prismatic parts to strong very fine and fine angular blocky structure; very firm; 30 percent light brownish gray (10YR 6/2) silt coats; 10 percent by volume 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.4, hellige-truog. Lab sample # MU012745