IDENTIFIERS

  • Current Taxon Name (Soil Name): Gravois
  • OSD
  • Series Extent
  • User Site ID: 1994MO051028
  • User Pedon ID: 1994MO051028
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9405111
  • NCSS Pedon Lab Data NASIS Record ID - 34216
  • Print Date: 6/3/2024

    • 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: 1350'N, 1000'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: family
  • Pedon Type: taxadjunct to the series
  • 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: summit
  • 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

    4

    —

    —

    229

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark grayish brown (10YR 4/2) interior silt loam; weak very fine granular structure; friable; 6.0 very fine roots; 6 percent manganese or iron-manganese stains; fragments; very strongly acid, pH 4.9, hellige-truog; abrupt smooth boundary. Lab sample # MU049642
    Bt1—15 to 28 centimeters (5.9 to 11.0 inches); yellowish brown (10YR 5/4) interior silt loam; weak fine subangular blocky structure; friable; 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; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU049643
    Bt2—28 to 41 centimeters (11.0 to 16.1 inches); yellowish brown (10YR 5/4) interior silt loam; weak fine subangular blocky structure; friable; 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; strongly acid, pH 5.2, hellige-truog; gradual smooth boundary. Lab sample # MU049644
    2Btx3—41 to 66 centimeters (16.1 to 26.0 inches); 60 percent yellowish brown (10YR 5/4) interior and 40 percent dark yellowish brown (10YR 4/6) interior very gravelly silt loam; 15 percent grayish brown (10YR 5/2) fine distinct mottles; weak fine subangular blocky structure; firm; 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; 50 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # MU049645
    2Btx4—66 to 86 centimeters (26.0 to 33.9 inches); 60 percent yellowish brown (10YR 5/4) interior and 40 percent dark yellowish brown (10YR 4/6) interior extremely gravelly silt loam; 15 percent grayish brown (10YR 5/2) fine distinct mottles; moderate fine subangular blocky structure; firm; 26 percent prominent silt coats on vertical faces of peds and 26 percent prominent clay films on faces of peds; 10 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 # MU049646
    3Bt5—86 to 104 centimeters (33.9 to 40.9 inches); 60 percent yellowish red (5YR 4/6) interior and 40 percent strong brown (7.5YR 4/6) interior extremely gravelly clay; moderate fine subangular blocky structure; very firm; 26 percent prominent silt coats on vertical faces of peds and 51 percent prominent clay films on faces of peds; 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 4.8, hellige-truog; gradual smooth boundary. Lab sample # MU049647
    4Bt6—104 to 127 centimeters (40.9 to 50.0 inches); yellowish red (5YR 4/6) interior clay; 15 percent grayish brown (10YR 5/2) fine prominent mottles; strong fine subangular blocky structure; very firm; 26 percent prominent clay films on faces of peds; 5 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # MU049648
    4Bt7—127 to 150 centimeters (50.0 to 59.1 inches); grayish brown (2.5Y 5/2) interior clay; 15 percent dark yellowish brown (10YR 4/6) fine prominent mottles; strong fine subangular blocky structure; very firm; 26 percent prominent clay films on faces of peds; 10 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.6, hellige-truog; gradual smooth boundary. Lab sample # MU049649
    5Bt8—150 to 168 centimeters (59.1 to 66.1 inches); 60 percent grayish brown (2.5Y 5/2) interior and 40 percent yellowish red (5YR 4/6) interior very gravelly clay; strong fine subangular blocky structure; very firm; 26 percent prominent clay films on faces of peds; 40 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # MU049650
    5Bt9—168 to 183 centimeters (66.1 to 72.0 inches); grayish brown (2.5Y 5/2) interior very gravelly clay; 15 percent strong brown (7.5YR 4/6) fine prominent mottles; strong fine subangular blocky structure; very firm; 26 percent prominent clay films on faces of peds; 40 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU049651