IDENTIFIERS

  • Current Taxon Name (Soil Name): Gravois
  • OSD
  • Series Extent
  • User Site ID: 1995MO051070
  • User Pedon ID: 1995MO051070
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9505134
  • NCSS Pedon Lab Data NASIS Record ID - 33641
  • Print Date: 3/13/2025

    • 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: 38.3673142
  • Std. Longitude: -92.2315548
  • Datum: WGS84
  • Location Description: Harry Bexten property, near cemetary.
  • State: Missouri
  • County: MO051—Cole
  • MLRA: 116B—Springfield Plain

    • PEDON

  • Describers Name: FJY
  • Current Taxon Kind: series
  • 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 - 18 to 69 cm.
  • Classificaton Date - 3/20/1995
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or colluvium and/or residuum weathered from cherty limestone
  • 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: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/20/1995 (actual site observation date)
  • Air Photo ID: 4-77
  • 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

    3

    —

    —

    239

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    —

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 4/3) silt loam; weak fine subangular blocky structure; very friable; 3.0 very fine roots; 3.0 very fine tubular pores; fragments; slightly acid, pH 6.1, hellige-truog; abrupt smooth boundary. Lab sample # MU052615
    Bt1—18 to 36 centimeters (7.1 to 14.2 inches); brown (7.5YR 5/4) silty clay loam; weak fine prismatic parts to moderate very fine subangular blocky structure; friable; 3.0 very fine roots; 3.0 very fine tubular pores; 10 percent prominent brown (10YR 4/3) organic stains on faces of peds and in pores and 60 percent faint brown (10YR 5/3) clay films on faces of peds; 10 percent worm casts; fragments; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # MU052616. discontinuous - phpvsfiid 146982; continuous - phpvsfiid 146981; discontinuous - phpvsfiid 146982; continuous - phpvsfiid 146981
    Bt2—36 to 51 centimeters (14.2 to 20.1 inches); yellowish brown (10YR 5/4) silty clay loam; weak fine prismatic parts to moderate very fine subangular blocky structure; friable; 3.0 very fine roots; 0.5 very fine tubular pores; 30 percent faint brown (10YR 5/3) silt coats on faces of peds and 55 percent faint clay films on faces of peds; 1 percent iron-manganese concretions; fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU052617. discontinuous - phpvsfiid 146983; continuous - phpvsfiid 149245; discontinuous - phpvsfiid 146983; continuous - phpvsfiid 149245
    Bt3—51 to 74 centimeters (20.1 to 29.1 inches); yellowish brown (10YR 5/4) silty clay loam; 25 percent light brownish gray (10YR 6/2) fine prominent and 25 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; 0.5 very fine roots; 0.5 very fine tubular pores; 10 percent faint silt coats on faces of peds and 10 percent prominent manganese or iron-manganese stains on faces of peds and 26 percent faint clay films on faces of peds; 1 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU052618. patchy - phpvsfiid 149246; continuous - phpvsfiid 149247; patchy - phpvsfiid 149248; patchy - phpvsfiid 149246; continuous - phpvsfiid 149247; patchy - phpvsfiid 149248
    2Btx1—74 to 122 centimeters (29.1 to 48.0 inches); yellowish brown (10YR 5/4) very gravelly silt loam; 10 percent strong brown (7.5YR 5/6) fine prominent and 25 percent light brownish gray (10YR 6/2) fine prominent threadlike mottles; weak fine prismatic parts to moderate fine subangular blocky structure; very firm; brittle; 0.5 very fine roots; 0.5 fine interstitial and tubular pores; 6 percent prominent manganese or iron-manganese stains on rock fragments and 30 percent faint silt coats on faces of peds and 30 percent distinct clay films on faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; diffuse smooth boundary. Lab sample # MU052619. About 30% brittle.; discontinuous - phpvsfiid 149249; continuous - phpvsfiid 149250; patchy - phpvsfiid 149251; discontinuous - phpvsfiid 149249; continuous - phpvsfiid 149250; patchy - phpvsfiid 149251
    2Btx2—122 to 152 centimeters (48.0 to 59.8 inches); yellowish red (5YR 5/6) very gravelly silt loam; 10 percent light brownish gray (10YR 6/2) medium prominent threadlike and 15 percent strong brown (7.5YR 5/6) medium prominent threadlike mottles; weak medium prismatic parts to moderate fine subangular blocky structure; firm; brittle; 0.5 very fine tubular and 3.0 fine interstitial pores; 6 percent prominent manganese or iron-manganese stains on rock fragments and 26 percent faint silt coats on faces of peds and 30 percent distinct clay films on vertical faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.7, hellige-truog; clear wavy boundary. Lab sample # MU052620. About 60% weakly brittle.; continuous - phpvsfiid 149252; continuous - phpvsfiid 149253; patchy - phpvsfiid 149254; continuous - phpvsfiid 149252; continuous - phpvsfiid 149253; patchy - phpvsfiid 149254
    3Bt4—152 to 183 centimeters (59.8 to 72.0 inches); yellowish red (5YR 5/6) extremely flaggy silt loam; 10 percent light brownish gray (10YR 6/2) medium prominent threadlike mottles; weak fine subangular blocky structure; friable; 0.5 very fine tubular pores; 30 percent distinct clay films on faces of peds; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments and 75 percent by volume 150-265-380 millimeter limestone, cherty fragments; slightly acid, pH 6.1, hellige-truog; clear wavy boundary. Lab sample # MU052621. Couldn't penetrate with backhoe.; discontinuous - phpvsfiid 149255; discontinuous - phpvsfiid 149255
    4Bt5—183 to 203 centimeters (72.0 to 79.9 inches); red (2.5YR 4/6) gravelly clay; strong fine subangular blocky structure; very firm; 30 percent by volume 2-39-75 millimeter limestone, cherty fragments. Lab sample # MU64479. Not sampled.