IDENTIFIERS

  • Current Taxon Name (Soil Name): Higdon
  • OSD
  • Series Extent
  • User Site ID: 1994MO123020M
  • User Pedon ID: 1994MO123020M
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9412320
  • NCSS Pedon Lab Data NASIS Record ID - 27452
  • Print Date: 9/24/2024
  • 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: 37.5521927
  • Std. Longitude: -90.1660309
  • Datum: WGS84
  • Township: T33N
  • Range: R8E
  • Section: 16
  • PLSS Details: 1550 feet S and 2730 feet E of the NW corner
  • Location Description: 1550 ft. S and 2730 ft. E of the NW corner of Sec. 16, T 33 N, R 8 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-E2—Higdon, Missouri
  • PEDON

  • Describers Name: KEB and KG
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Aquic Paleudalfs
  • Current Taxon Kind: series
  • 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 - 46 to 96 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 - 46 to 96 cm.
  • Classificaton Date - 7/5/1994
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 58 Cation exchange capacity to clay ratio


  • SITE

  • Parent Material: alluvium derived from mixed over slope alluvium derived from mixed
  • Landscape: plateau
  • Landform: stream terrace
  • Geomorphic Component Hills: head slope
  • Hill Slope Profile: toeslope
  • Slope Position: middle third
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/5/1994 (actual site observation date)
  • Air Photo ID: D-3
  • 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—46

    58—157

    —-

    —-

    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

    1

    207

    150

    Ap—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; moderate very fine granular structure; friable; 10.0 very fine and fine roots; 1 percent fine strong brown (7.5YR 5/8) masses of oxidized iron; 1 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear wavy boundary. Lab sample # MU016465
    A1—13 to 36 centimeters (5.1 to 14.2 inches); brown (10YR 4/3), very pale brown (10YR 7/4), dry; silt loam; moderate very fine subangular blocky parts to weak fine granular structure; friable; 3.0 very fine roots; 35 percent faint brown (10YR 5/3) silt coats on vertical faces of peds; 1 percent fine strong brown (7.5YR 5/8) masses of oxidized iron and 15 percent fine very dark brown (10YR 2/2) iron-manganese masses; 2 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 6.0, hellige-truog; abrupt wavy boundary. Lab sample # MU016466. discontinuous - phpvsfiid 163405; discontinuous - phpvsfiid 163405
    A2—36 to 46 centimeters (14.2 to 18.1 inches); very dark grayish brown (10YR 3/2), light brownish gray (10YR 6/2), dry; silt loam; weak very fine subangular blocky parts to weak fine granular structure; friable; 2.0 very fine roots; 5 percent fine very dark brown (10YR 2/2) iron-manganese concretions and 5 percent fine very dark brown (10YR 2/2) iron-manganese masses; fragments; slightly acid, pH 6.1, hellige-truog; clear wavy boundary. Lab sample # MU016467
    Bt1—46 to 58 centimeters (18.1 to 22.8 inches); 60 percent brown (10YR 4/3) and 40 percent dark grayish brown (10YR 4/2), pale brown (10YR 6/3), dry; silt loam; moderate very fine subangular blocky structure; friable; 0.5 very fine roots; 15 percent faint clay films on faces of peds; 5 percent fine very dark brown (10YR 2/2) iron-manganese concretions; 1 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. Lab sample # MU016468. discontinuous - phpvsfiid 163406; discontinuous - phpvsfiid 163406
    Bt2—58 to 74 centimeters (22.8 to 29.1 inches); brown (10YR 5/3) silt loam; moderate very fine subangular blocky structure; friable; 0.5 very fine roots; 15 percent faint clay films on faces of peds; 2 percent fine strong brown (7.5YR 5/8) masses of oxidized iron and 5 percent fine very dark brown (10YR 2/2) iron-manganese masses and 10 percent fine very dark brown (10YR 2/2) iron-manganese concretions; 2 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.5, hellige-truog; gradual wavy boundary. Lab sample # MU016469. discontinuous - phpvsfiid 163407; discontinuous - phpvsfiid 163407
    Bt3—74 to 102 centimeters (29.1 to 40.2 inches); dark grayish brown (10YR 4/2) silt loam; 15 percent brown (10YR 4/3) fine faint mottles; moderate very fine subangular blocky structure; friable; 0.5 very fine roots; 60 percent distinct clay films on faces of peds; 3 percent fine very dark brown (10YR 2/2) iron-manganese concretions and 3 percent fine very dark brown (10YR 2/2) iron-manganese masses; 2 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 6.7, hellige-truog; clear wavy boundary. Lab sample # MU016470. discontinuous - phpvsfiid 163408; discontinuous - phpvsfiid 163408
    Bt4—102 to 117 centimeters (40.2 to 46.1 inches); 50 percent yellowish brown (10YR 5/4) and 50 percent brown (10YR 5/3) silt loam; moderate very fine subangular blocky structure; friable; 60 percent distinct clay films on faces of peds; 1 percent fine very dark brown (10YR 2/2) iron-manganese masses and 3 percent fine very dark brown (10YR 2/2) iron-manganese concretions and 20 percent coarse noncoherent cemented grayish brown (10YR 5/2) iron depletions; 2 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 6.8, hellige-truog; clear wavy boundary. Lab sample # MU016471. discontinuous - phpvsfiid 163409; discontinuous - phpvsfiid 163409
    Bt5—117 to 140 centimeters (46.1 to 55.1 inches); brown (10YR 5/3) silt loam; 7 percent yellowish brown (10YR 5/4) medium faint mottles; weak fine subangular blocky structure; friable; 85 percent distinct clay films on faces of peds; 1 percent fine very dark brown (10YR 2/2) iron-manganese masses and 3 percent coarse noncoherent cemented grayish brown (10YR 5/2) iron depletions; 3 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 6.9, hellige-truog; gradual wavy boundary. Lab sample # MU016472. continuous - phpvsfiid 163410; continuous - phpvsfiid 163410
    Bt6—140 to 157 centimeters (55.1 to 61.8 inches); brown (10YR 5/3) silt loam; 10 percent yellowish brown (10YR 5/4) medium faint mottles; moderate very fine and fine subangular blocky structure; friable; 60 percent distinct clay films on faces of peds; 1 percent fine very dark brown (10YR 2/2) iron-manganese concretions and 2 percent fine very dark brown (10YR 2/2) iron-manganese masses and 20 percent coarse noncoherent cemented light brownish gray (10YR 6/2) iron depletions; 8 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 7.0, hellige-truog. Lab sample # MU016473. Gravel concentrated at the bottom of the horizon.; discontinuous - phpvsfiid 163411; discontinuous - phpvsfiid 163411