IDENTIFIERS

  • Current Taxon Name (Soil Name): Higdon
  • OSD
  • Series Extent
  • User Site ID: 1993MO123015M
  • User Pedon ID: 1993MO123015M
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9312315
  • NCSS Pedon Lab Data NASIS Record ID - 27402
  • Print Date: 11/21/2024
  • 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: 37.6068039
  • Std. Longitude: -90.4283600
  • Datum: WGS84
  • Township: T34N
  • Range: R5E
  • Section: 36
  • PLSS Details: 2300 feet S and 1650 feet W of the NE corner
  • Location Description: 2300 ft S and 1650 ft W of the NE corner of Sec. 36, T. 34 N., R. 5 E.
  • Map Unit: 71B—Freeburg silt loam, 1 to 3 percent slopes, occasionally flooded74650—Higdon silt loam, 0 to 3 percent slopes, occasionally flooded
  • State: Missouri
  • County: MO123—Madison
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO123—Madison County, Missouri
  • 7.5 Minute USGS Quad: 37090-E4—Rhodes Mountain, Missouri
  • PEDON

  • Describers Name: KEB, MLC and CGM
  • Current Taxonomic Class: Coarse-silty, mixed, active, mesic Oxyaquic Hapludalfs
  • 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 - Higdon
  • PSC - 28 to 78 cm.
  • Classificaton Date - 4/1/2011
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Freeburg
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Aquic Hapludalfs
  • Taxon Kind - series
  • PSC - 28 to 78 cm.
  • Classificaton Date - 7/30/1993
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 56 Cation exchange capacity to clay ratio


  • SITE

  • Parent Material: alluvium
  • Landscape: plateau
  • Landform: stream terrace
  • Runoff: low
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/30/1993 (actual site observation date)
  • Air Photo ID: B-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—28

    28—145

    —-

    —-

    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

    0

    241

    Ap—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 4/3), pale brown (10YR 6/3) and light gray (10YR 7/2), dry; silt loam; moderate very fine and fine granular structure; very friable; 10.0 very fine and fine roots; 1 percent fine masses of oxidized iron; fragments; neutral, pH 7.2, hellige-truog; clear wavy boundary. Lab sample # MU016178
    E—10 to 28 centimeters (3.9 to 11.0 inches); brown (10YR 5/3), light gray (10YR 7/2), dry; silt loam; weak very fine subangular blocky structure; very friable; 3.0 very fine and fine roots; 10 percent fine dark yellowish brown (10YR 4/4) masses of oxidized iron and 10 percent fine iron-manganese concretions; fragments; slightly alkaline, pH 7.8, hellige-truog; clear wavy boundary. Lab sample # MU016179
    Bt1—28 to 41 centimeters (11.0 to 16.1 inches); yellowish brown (10YR 5/4), light gray (10YR 7/2), dry; silt loam; moderate medium platy parts to weak very fine subangular blocky structure; friable; 3.0 very fine and fine roots; faint pale brown (10YR 6/3) silt coats; 10 percent fine iron-manganese concretions and 30 percent medium dark yellowish brown (10YR 3/6) iron concretions; fragments; slightly alkaline, pH 7.5, hellige-truog; clear wavy boundary. Lab sample # MU016180
    Bt2—41 to 51 centimeters (16.1 to 20.1 inches); light yellowish brown (10YR 6/4) and yellowish brown (10YR 5/4) silt loam; moderate very fine subangular blocky structure; friable; 3.0 very fine and fine roots; 15 percent faint clay films; 1 percent fine dark yellowish brown (10YR 3/6) iron concretions and 10 percent fine iron-manganese concretions; fragments; neutral, pH 6.6, hellige-truog; abrupt wavy boundary. Lab sample # MU016181
    Bt3—51 to 81 centimeters (20.1 to 31.9 inches); 70 percent dark yellowish brown (10YR 4/4) and 30 percent brown (10YR 5/3) silt loam; moderate fine subangular blocky structure; friable; 0.5 very fine and fine roots; 4 percent pale brown (10YR 6/3) skeletans and 15 percent faint clay films; 10 percent fine iron-manganese concretions and 10 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.5, hellige-truog; gradual wavy boundary. Lab sample # MU016182
    Bt4—81 to 112 centimeters (31.9 to 44.1 inches); 60 percent brown (10YR 5/3) and 40 percent dark yellowish brown (10YR 3/4) silt loam; moderate fine subangular blocky structure; friable; 0.1 very fine roots; 4 percent pale brown (10YR 6/3) skeletans and 35 percent faint clay films; 10 percent fine iron-manganese concretions and 10 percent fine iron-manganese masses; fragments; neutral, pH 6.9, hellige-truog; clear smooth boundary. Lab sample # MU016183
    Bt5—112 to 145 centimeters (44.1 to 57.1 inches); 60 percent grayish brown (10YR 5/2) and 40 percent dark yellowish brown (10YR 3/4) silt loam; weak very fine and fine subangular blocky structure; friable; 0.1 very fine roots; 4 percent light brownish gray (10YR 6/2) skeletans and 35 percent faint clay films; 1 percent fine iron-manganese masses and 1 percent fine iron-manganese concretions; fragments; neutral, pH 7.0, hellige-truog; gradual smooth boundary. Lab sample # MU016184
    BC—145 to 185 centimeters (57.1 to 72.8 inches); 60 percent grayish brown (10YR 5/2) and 40 percent dark yellowish brown (10YR 3/6) silt loam; weak fine subangular blocky structure; friable; 4 percent light brownish gray (10YR 6/2) skeletans; 1 percent fine masses of oxidized iron and 1 percent fine iron-manganese masses; fragments; neutral, pH 6.9, hellige-truog; abrupt smooth boundary. Lab sample # MU016185. The lower three inches of this horizon is gray (10YR 6/1) (gleyed) with an abrupt break to a sandy layer.
    2C—185 to 203 centimeters (72.8 to 79.9 inches); dark yellowish brown (10YR 4/4) loamy fine sand; massive; friable; fragments. Lab sample # 09