IDENTIFIERS

  • Current Taxon Name (Soil Name): Gravois
  • OSD
  • Series Extent
  • User Site ID: 1997MO125008M
  • User Pedon ID: 1997MO125008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9712508
  • 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: 38.0270913
  • Std. Longitude: -92.1275649
  • Datum: WGS84
  • Location Description: Sparks property
  • State: Missouri
  • County: MO125—Maries
  • MLRA: 116B—Springfield Plain

    • PEDON

  • Describers Name: KOD, WAK, BBB
  • Current Taxonomic Class: Fine, mixed Fragic Oxyaquic Hapludalfs
  • Pedon Type: representative pedon for component
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Gravois
  • Taxonomic Class - Fine, mixed Fragic Oxyaquic Hapludalfs
  • Taxon Kind - series
  • PSC - 15 to 61 cm.
  • Classificaton Date - 3/24/1997
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or residuum
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/24/1997 (actual site observation date)
  • Air Photo ID: 11B
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    lithic contact

    0—15

    15—155

    155—0

    —-

    —-

    —-
    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

    5

    —

    —

    344

    —

    130

    991

    —

    —

    12.8

    —

    —

    13.9

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark grayish brown (10YR 4/2) broken face and 10 percent yellowish brown (10YR 5/4) broken face silt loam; moderate fine granular structure; friable; 9.0 very fine and fine roots throughout; 5.0 very fine vesicular pores; fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU058123
    Bt1—15 to 30 centimeters (5.9 to 11.8 inches); yellowish brown (10YR 5/4) broken face silty clay loam; moderate fine subangular blocky structure; firm; 7.0 very fine and fine roots throughout; 3.0 very fine vesicular pores; 30 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU058124. discontinuous - phpvsfiid 145710; discontinuous - phpvsfiid 145710
    Bt2—30 to 41 centimeters (11.8 to 16.1 inches); dark yellowish brown (10YR 4/4) broken face and 25 percent brown (10YR 5/3) broken face silty clay; moderate fine subangular blocky structure; firm; 7.0 very fine roots throughout; 3.0 very fine vesicular pores; 40 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU058125. discontinuous - phpvsfiid 145711; discontinuous - phpvsfiid 145711
    Bt3—41 to 61 centimeters (16.1 to 24.0 inches); grayish brown (10YR 5/2) broken face and dark yellowish brown (10YR 4/6) broken face silty clay; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; 6.0 very fine roots throughout; 3.0 very fine and fine vesicular pores; 50 percent distinct clay films on faces of peds; fragments; extremely acid, pH 4.4, hellige-truog; clear smooth boundary. Lab sample # MU058126. discontinuous - phpvsfiid 145712; discontinuous - phpvsfiid 145712
    2Btx1—61 to 79 centimeters (24.0 to 31.1 inches); brown (10YR 5/3) broken face silt loam; moderate very coarse prismatic parts to weak fine subangular blocky structure; very firm; brittle; 4.0 very fine roots between peds; 3.0 very fine and fine vesicular pores; 40 percent prominent grayish brown (10YR 5/2), moist, clay films on faces of peds; 1 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU058127. 50% brittleness expressed. gray streaks around prism faces (10YR5/2).; continuous - phpvsfiid 145713; continuous - phpvsfiid 145713
    2Btx2—79 to 89 centimeters (31.1 to 35.0 inches); pale brown (10YR 6/3) broken face gravelly silt loam; weak coarse prismatic parts to weak fine subangular blocky structure; very firm; brittle; 4.0 very fine roots between peds; 3.0 very fine and fine vesicular pores; 20 percent prominent grayish brown (10YR 5/2), moist, clay films on faces of peds; 25 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU058128. 50% brittleness expressed.; continuous - phpvsfiid 148681; continuous - phpvsfiid 148681
    3Bt4—89 to 119 centimeters (35.0 to 46.9 inches); yellowish brown (10YR 5/6) broken face clay; weak fine prismatic parts to weak fine subangular blocky structure; firm; 2.0 very fine and fine roots throughout; 1.0 very fine vesicular pores; 30 percent prominent grayish brown (10YR 5/2), moist, clay films on faces of peds; 5 percent fine irregular noncoherent cemented yellowish red (5YR 4/6) masses of oxidized iron between peds; fragments; moderately acid, pH 5.7, hellige-truog; clear smooth boundary. Lab sample # MU058129. discontinuous - phpvsfiid 148682; discontinuous - phpvsfiid 148682
    3Bt5—119 to 155 centimeters (46.9 to 61.0 inches); yellowish brown (10YR 5/6) broken face clay; weak fine prismatic parts to moderate fine subangular blocky structure; firm; 1.0 very fine roots throughout; 1.0 very fine vesicular pores; 5 percent prominent dark brown (7.5YR 3/2), moist, manganese or iron-manganese stains on faces of peds and 70 percent distinct clay films on faces of peds; 1 percent fine irregular noncoherent cemented yellowish brown (10YR 5/4) masses of oxidized iron between peds; 1 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; neutral, pH 6.8, hellige-truog; clear irregular boundary. Lab sample # MU058130. discontinuous - phpvsfiid 148684; continuous - phpvsfiid 148683; discontinuous - phpvsfiid 148684; continuous - phpvsfiid 148683
    3R—155 centimeters (61.0 inches); bedrock; fragments. Dolostone