IDENTIFIERS

  • Current Taxon Name (Soil Name): Gravois
  • OSD
  • Series Extent
  • User Site ID: 1994MO051028C
  • User Pedon ID: 1994MO051028C
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9405113
  • NCSS Pedon Lab Data NASIS Record ID - 34214
  • Print Date: 12/11/2024

    • 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: 38.9672644
  • Std. Longitude: -92.3451678
  • Datum: WGS84
  • Section: 13
  • Location Description: 1200'N, 1050'E of the SW cor. sec 13 T42N, R12W
  • State: Missouri
  • County: MO051—Cole
  • MLRA: 116B—Springfield Plain

    • PEDON

  • Describers Name: John L. Baker
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Gravois
  • PSC - 15 to 66 cm.
  • Classificaton Date - 7/7/1994
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess derived from mixed and/or residuum weathered from sandstone and siltstone
  • Landscape: hills
  • Landform: ridge
  • Hill Slope Profile: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/7/1994 (actual site observation date)
  • Air Photo ID: 4-75
  • 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—15

    15—183

    —-

    —-
    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

    6

    —

    —

    232

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 4/3) interior silt loam; weak very fine granular structure; friable; 6.0 very fine roots; 6 percent manganese or iron-manganese stains; fragments; strongly acid, pH 5.5, hellige-truog; abrupt smooth boundary. Lab sample # MU049658
    Bt1—15 to 91 centimeters (5.9 to 35.8 inches); dark yellowish brown (10YR 4/4) interior silty clay loam; moderate fine subangular blocky structure; firm; 3.0 very fine roots; 26 percent prominent silt coats on faces of peds and 26 percent prominent clay films on faces of peds; fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU049659
    2Btx2—91 to 107 centimeters (35.8 to 42.1 inches); yellowish brown (10YR 5/4) interior silt loam; 26 percent grayish brown (10YR 5/2) fine distinct mottles; weak coarse subangular blocky structure; very firm; brittle; 3.0 very fine roots; 26 percent prominent silt coats on vertical faces of peds and 26 percent prominent clay films on faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU049660
    3Btx3—107 to 203 centimeters (42.1 to 79.9 inches); 60 percent grayish brown (10YR 5/2) interior and 40 percent dark yellowish brown (10YR 4/4) interior extremely gravelly silt loam; weak fine subangular blocky structure; very firm; brittle; 0.6 very fine roots; 26 percent prominent silt coats on vertical faces of peds and 26 percent prominent clay films on faces of peds; 1 percent by volume 250-425-600 millimeter unspecified fragments and 5 percent by volume 75-162-250 millimeter unspecified fragments and 60 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog. Lab sample # MU049661