IDENTIFIERS

  • Current Taxon Name (Soil Name): Fourche
  • OSD
  • Series Extent
  • User Site ID: 1991MO123023M
  • User Pedon ID: 1991MO123023M
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9112323
  • NCSS Pedon Lab Data NASIS Record ID - 31391
  • 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: 37.6013336
  • Std. Longitude: -90.2565536
  • Datum: WGS84
  • Township: T34N
  • Range: R7E
  • Section: 34
  • PLSS Details: 4200 feet S and 100 feet E of the NW corner
  • Location Description: 4200 ft S and 100 ft E of NW corner of Sec 34, T34 N - R 7 E
  • Map Unit: 26B—Freeburg silt loam, 1 to 5 percent slopes74645—Higdon silt loam, 1 to 3 percent slopes
  • State: Missouri
  • County: MO123—Madison
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO123—Madison County, Missouri
  • 7.5 Minute USGS Quad: 37090-E3—Fredericktown, Missouri

    • PEDON

  • Describers Name: MLC and RDC
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Glossaquic Paleudalfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Fourche
  • PSC - 13 to 63 cm.
  • Classificaton Date - 2/1/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Fourche
  • Taxonomic Class - Fine-silty, mixed, active, mesic Glossaquic Paleudalfs
  • Taxon Kind - series
  • PSC - 13 to 63 cm.
  • Classificaton Date - 9/10/1991
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 50 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: loess over residuum
  • Landscape: basin
  • Landform: stream terrace
  • Slope Position: depression
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/10/1991 (actual site observation date)
  • Air Photo ID: C-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

    interfingering of albic materials

    0—13

    13—152

    48—99

    —-

    —-

    —-
    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

    —

    —

    255

    —

    135

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark yellowish brown (10YR 4/4), pale brown (10YR 6/3), dry; silt loam; 1 percent dark yellowish brown (10YR 4/6) fine faint mottles; weak very fine subangular blocky parts to moderate fine granular structure; friable; 3.0 very fine and fine roots; fragments; neutral, pH 7.2, hellige-truog; clear wavy boundary. Lab sample # MU041960
    Bt1—13 to 38 centimeters (5.1 to 15.0 inches); yellowish brown (10YR 5/6) silty clay loam; moderate fine subangular blocky structure; firm; 3.0 fine roots; 15 percent distinct clay films and 15 percent distinct clay bridges; fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. Lab sample # MU041961. patchy - phpvsfiid 168249; patchy - phpvsfiid 168249
    Bt2—38 to 48 centimeters (15.0 to 18.9 inches); yellowish brown (10YR 5/6) and brownish yellow (10YR 6/6) silty clay loam; 1 percent strong brown (7.5YR 4/6) fine distinct mottles; moderate medium prismatic parts to moderate very fine and fine subangular blocky structure; firm; 3.0 very fine and fine roots; light gray (10YR 7/2) silt coats and light gray (10YR 7/2) skeletans and 35 percent distinct clay films; 1 percent by volume rounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU041962. Less than 5 percent silt coats and skeltans 10YR 7/3 (dry). Roots are braided along prism faces.
    Bt/E11—48 to 79 centimeters (18.9 to 31.1 inches); light brownish gray (10YR 6/2) silty clay loam; moderate fine subangular blocky structure; friable; 0.1 fine roots; very pale brown (10YR 7/3), dry, skeletans; 1 percent by volume rounded 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.4, hellige-truog; clear wavy boundary. Lab sample # MU041963. Greater than 5 percent silt skeltans.
    Bt/E12—48 to 79 centimeters (18.9 to 31.1 inches); brownish yellow (10YR 6/6) silty clay loam; 10 percent strong brown (7.5YR 5/8) fine and medium prominent mottles; firm; 40 percent distinct clay films on horizontal faces of peds; 10 percent coarse noncoherent cemented grayish brown (10YR 5/2) iron depletions; fragments; extremely acid, pH 4.4, hellige-truog. Lab sample # MU041963. discontinuous - phpvsfiid 162231; discontinuous - phpvsfiid 162231
    Bt/E22—79 to 99 centimeters (31.1 to 39.0 inches); light brownish gray (10YR 6/2) silty clay loam; moderate medium prismatic parts to moderate medium platy parts to moderate very fine subangular blocky structure; friable; 0.5 very fine roots; 1 percent by volume rounded 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.3, hellige-truog; clear wavy boundary. Lab sample # MU041964
    Bt/E21—79 to 99 centimeters (31.1 to 39.0 inches); brownish yellow (10YR 6/6) and yellowish brown (10YR 5/6) silty clay loam; 1 percent yellowish red (5YR 5/8) fine prominent and 10 percent strong brown (7.5YR 5/8) fine and medium distinct mottles; firm; prominent clay films and prominent clay films on vertical faces of peds; fragments; extremely acid, pH 4.3, hellige-truog. Lab sample # MU041964
    Bt3—99 to 119 centimeters (39.0 to 46.9 inches); yellowish brown (10YR 5/6) silty clay loam; 1 percent red (2.5YR 4/6) medium prominent and 10 percent strong brown (7.5YR 5/6) fine distinct mottles; moderate medium platy parts to moderate very fine subangular blocky structure; firm; light brownish gray (10YR 6/2) skeletans and 35 percent prominent clay films on vertical faces of peds; 10 percent fine and medium noncoherent cemented light brownish gray (10YR 6/2) iron depletions; 1 percent by volume rounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; abrupt wavy boundary. Lab sample # MU041965
    2Bt4—119 to 145 centimeters (46.9 to 57.1 inches); red (2.5YR 4/6) silty clay; 10 percent yellowish brown (10YR 5/4) fine prominent and 10 percent yellowish red (5YR 5/8) fine prominent mottles; moderate very fine subangular blocky structure; firm; light brownish gray (10YR 6/2) skeletans and 35 percent prominent clay films; 1 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.5, hellige-truog; clear wavy boundary. Lab sample # MU041966. Less than 5 percent skeltans. Skeltans are 10YR 7/3 dry.
    2Bt5—145 to 152 centimeters (57.1 to 59.8 inches); red (2.5YR 4/6) silty clay loam; 1 percent brown (7.5YR 5/4) fine prominent and 10 percent strong brown (7.5YR 5/8) medium prominent mottles; moderate very fine and fine subangular blocky structure; firm; prominent light brownish gray (10YR 6/2) skeletans and 35 percent prominent clay films; 10 percent fine and medium noncoherent cemented light brownish gray (10YR 6/2) iron depletions; 1 percent by volume rounded 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.4, hellige-truog. Lab sample # MU041967. Less than 5 percent skeltans. Skeltans are 10YR 8/4 dry.