IDENTIFIERS

  • Current Taxon Name (Soil Name): Grundy
  • OSD
  • Series Extent
  • User Site ID: 1989MO117005m
  • User Pedon ID: 1989MO117005m
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M8911705
  • NCSS Pedon Lab Data NASIS Record ID - 31259
  • Print Date: 4/27/2025

    • 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: 39.6236115
  • Std. Longitude: -93.6613922
  • Datum: WGS84
  • Township: T56N
  • Range: 2R5
  • Section: 36
  • PLSS Details: 1100 feet east and 1000 feet south of the NW corner of sec. 36, T56N, R25W
  • Location Description: 1100 feet east and 1000 feet south of the northwest corner of sec. 36, T56N, R25W
  • Map Unit: 30120—Lagonda silty clay loam, 5 to 9 percent slopes, eroded
  • State: Missouri
  • County: MO117—Livingston
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Non-MLRA Soil Survey Area: MO117—Livingston County, Missouri

    • PEDON

  • Describers Name: db, mf
  • Current Taxonomic Class: Fine, smectitic, mesic Aquic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Grundy
  • PSC - 25 to 75 cm.
  • Classificaton Date - 4/12/2012
  • Soil Taxonomic Edition - third edition
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Lagonda
  • Classificaton Date - 11/2/1988
  • Dynamic Soil Properties:
  • Erosion Class - 3
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess over higly weathered pedisediment
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/2/1988 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion sheet
    • 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

    —

    —

    230.1

    —

    225

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    —

    —

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    —

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    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); very dark gray (10YR 3/1) interior silt loam; 7 percent sand; 70 percent silt; 24 percent clay; weak fine granular structure; friable; 2.0 very fine roots throughout; fragments; noneffervescent; slightly alkaline, pH 7.5, pH meter; abrupt smooth boundary. Lab sample # MU035533; moist when described; observed in pit, small
    A—10 to 25 centimeters (3.9 to 9.8 inches); black (10YR 2/1) interior silt loam; 7 percent sand; 71 percent silt; 22 percent clay; moderate medium platy parts to weak fine granular structure; friable; 2.0 very fine roots throughout; fragments; noneffervescent; slightly alkaline, pH 7.4, pH meter; abrupt smooth boundary. Lab sample # MU035534; moist when described; observed in pit, small
    Bt1—25 to 36 centimeters (9.8 to 14.2 inches); very dark grayish brown (10YR 3/2) interior silty clay; 5 percent sand; 51 percent silt; 44 percent clay; moderate fine angular blocky structure; firm; 2.0 very fine roots throughout; 60 percent black (10YR 2/1), moist, organoargillans on all faces of peds; 15 percent fine distinct strong brown (7.5YR 4/6), moist, masses of oxidized iron; fragments; noneffervescent; moderately acid, pH 5.7, pH meter; clear smooth boundary. Lab sample # MU035535; moist when described; observed in pit, small
    Bt2—36 to 58 centimeters (14.2 to 22.8 inches); very dark grayish brown (10YR 3/2) interior silty clay; 2 percent sand; 50 percent silt; 48 percent clay; weak medium prismatic parts to moderate fine subangular blocky structure; very firm; 2.0 very fine roots throughout; very dark gray (10YR 3/1), moist, clay films on all faces of peds; 1 percent fine distinct strong brown (7.5YR 4/6), moist, masses of oxidized iron and 1 percent fine black (N 2/0), moist, iron-manganese concretions; fragments; noneffervescent; moderately acid, pH 6.0, pH meter; clear smooth boundary. Lab sample # MU035536; moist when described; observed in pit, small. discontinuous - phpvsfiid 311433; discontinuous - phpvsfiid 311433
    Bt3—58 to 71 centimeters (22.8 to 28.0 inches); dark grayish brown (10YR 4/2) interior silty clay loam; 2 percent sand; 58 percent silt; 40 percent clay; weak medium prismatic parts to weak medium subangular blocky structure; very firm; 2.0 very fine roots throughout; dark gray (10YR 4/1), moist, clay films on all faces of peds; 1 percent fine faint yellowish brown (10YR 5/6), moist, masses of oxidized iron and 1 percent fine black (N 2/0), moist, iron-manganese concretions; fragments; noneffervescent; slightly acid, pH 6.3, pH meter; clear smooth boundary. Lab sample # MU035537; moist when described; observed in pit, small. discontinuous - phpvsfiid 311434; discontinuous - phpvsfiid 311434
    2Bt4—71 to 114 centimeters (28.0 to 44.9 inches); grayish brown (2.5Y 5/2) interior silty clay loam; 3 percent sand; 63 percent silt; 35 percent clay; weak medium angular blocky structure; firm; 2.0 very fine roots throughout; 10 percent very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 1 percent fine black (N 2/0), moist, iron-manganese concretions and 40 percent medium prominent strong brown (7.5YR 4/6), moist, masses of oxidized iron; fragments; noneffervescent; neutral, pH 6.7, pH meter; clear smooth boundary. Lab sample # MU035538; moist when described; observed in pit, small. "Few sand grains" described in this horizon.; discontinuous - phpvsfiid 311435; discontinuous - phpvsfiid 311435
    2Bt5—114 to 152 centimeters (44.9 to 59.8 inches); grayish brown (2.5Y 5/2) interior silty clay loam; 2 percent sand; 66 percent silt; 32 percent clay; weak coarse subangular blocky structure; firm; 5 percent pale yellow (2.5Y 8/2), dry, skeletans on all faces of peds and 10 percent dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 15 percent medium prominent strong brown (7.5YR 4/6), moist, masses of oxidized iron; fragments; noneffervescent; neutral, pH 6.7, pH meter. Lab sample # MU035539; moist when described; observed in pit, small. discontinuous - phpvsfiid 311436; discontinuous - phpvsfiid 311436