IDENTIFIERS

  • Current Taxon Name (Soil Name): Gravois
  • OSD
  • Series Extent
  • User Site ID: 1994MO051028B
  • User Pedon ID: 1994MO051028B
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9405112
  • NCSS Pedon Lab Data NASIS Record ID - 34215
  • Print Date: 3/2/2025

    • 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: 38.9672644
  • Std. Longitude: -92.3451678
  • Datum: WGS84
  • Section: 13
  • Location Description: 1110 E, 1350'N, SW cor. sec 13, R12W, T42N
  • State: Missouri
  • County: MO051—Cole
  • MLRA: 116B—Springfield Plain

    • PEDON

  • Describers Name: John L. Baker
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • 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
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: head slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/7/1994 (actual site observation date)
  • Air Photo ID: 4-76
  • 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—152

    —-

    —-
    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

    7

    15

    61

    226

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark grayish brown (10YR 4/2) interior silt loam; weak fine granular structure; friable; 6.0 very fine roots; fragments; very strongly acid, pH 4.8, hellige-truog; abrupt smooth boundary. Lab sample # MU049652
    Bt1—15 to 36 centimeters (5.9 to 14.2 inches); dark yellowish brown (10YR 4/4) interior silt loam; weak fine subangular blocky structure; friable; 6.0 very fine roots; 26 percent prominent silt coats on vertical faces of peds and 26 percent distinct clay films on faces of peds; fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU049653
    2Btx2—36 to 58 centimeters (14.2 to 22.8 inches); dark yellowish brown (10YR 4/6) interior very gravelly silt loam; weak fine subangular blocky structure; firm; brittle; 0.8 very fine roots; 6 percent prominent silt coats on vertical faces of peds and 26 percent prominent clay films on faces of peds; 5 percent by volume 75-162-250 millimeter unspecified fragments and 40 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.4, hellige-truog; gradual smooth boundary. Lab sample # MU049654
    2Btx3—58 to 112 centimeters (22.8 to 44.1 inches); strong brown (7.5YR 4/6) interior extremely gravelly silty clay loam; 26 percent strong brown (7.5YR 4/6) fine distinct and 26 percent grayish brown (10YR 5/2) fine prominent mottles; moderate fine subangular blocky structure; very firm; brittle; 0.6 very fine roots; 6 percent prominent silt coats on vertical faces of peds and 40 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; gradual smooth boundary. Lab sample # MU049655
    3Bt4—112 to 124 centimeters (44.1 to 48.8 inches); 60 percent red (2.5YR 4/6) interior and 40 percent grayish brown (10YR 5/2) interior clay; 6 percent strong brown (7.5YR 4/6) fine prominent mottles; strong fine subangular blocky structure; very firm; 0.5 very fine roots; 6 percent prominent silt coats on vertical faces of peds and 51 percent prominent clay films on faces of peds; 10 percent by volume 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.4, hellige-truog; gradual smooth boundary. Lab sample # MU049656
    4Bt5—124 to 152 centimeters (48.8 to 59.8 inches); 60 percent grayish brown (10YR 5/2) interior and 40 percent red (2.5YR 4/6) interior gravelly clay; 6 percent strong brown (7.5YR 4/6) fine prominent mottles; strong fine subangular blocky structure; very firm; 51 percent prominent clay films on faces of peds; 25 percent by volume 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.2, hellige-truog. Lab sample # MU049657