IDENTIFIERS

  • Current Taxon Name (Soil Name): Gravois
  • OSD
  • Series Extent
  • User Site ID: 2000MO055004M
  • User Pedon ID: 2000MO055004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0005504
  • 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: 38.1815889
  • Std. Longitude: -91.3027611
  • Datum: WGS84
  • State: Missouri
  • County: MO055—Crawford
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: JF,
  • Current Taxonomic Class: Clayey, mixed Fragic Paleudalfs
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Gravois
  • Taxonomic Class - Clayey, mixed Fragic Paleudalfs
  • Taxon Kind - series
  • PSC - 23 to 73 cm.
  • Classificaton Date - 1/27/2000
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Landscape: hills
  • Landform: hill
  • Microfeature: terracette
  • Geomorphic Component Hills: nose slope
  • Hill Slope Profile: backslope
  • Slope Position: lower third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/27/2000 (actual site observation date)
  • Air Photo ID: E-1
  • Microrelief Elevation: 999
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    8

    —

    —

    250

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    —

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    Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark brown (10YR 3/3) silt loam; weak medium subangular blocky structure; friable; 6.0 fine and medium roots; fragments; clear smooth boundary. Lab sample # MU021351
    BE—13 to 23 centimeters (5.1 to 9.1 inches); brown (10YR 4/3) silt loam; moderate medium subangular blocky structure; friable; 3.0 fine and medium roots; fragments; gradual smooth boundary. Lab sample # MU021352
    Bt1—23 to 46 centimeters (9.1 to 18.1 inches); brown (7.5YR 4/4) silty clay loam; moderate medium subangular blocky structure; firm; 1.0 fine and medium roots; 15 percent distinct clay films throughout; fragments; gradual smooth boundary. Lab sample # MU021353. discontinuous - phpvsfiid 136895; discontinuous - phpvsfiid 136895
    Bt2—46 to 76 centimeters (18.1 to 29.9 inches); strong brown (7.5YR 4/6) silty clay loam; moderate medium subangular blocky structure; firm; 15 percent distinct clay films throughout; 20 percent fine and medium irregular black (10YR 2/1) iron-manganese masses throughout; fragments; clear wavy boundary. Lab sample # MU021354. discontinuous - phpvsfiid 136896; discontinuous - phpvsfiid 136896
    2Btx1—76 to 109 centimeters (29.9 to 42.9 inches); yellowish red (5YR 4/6) extremely gravelly clay; weak coarse prismatic structure; firm; 35 percent distinct clay films throughout; 20 percent fine and medium irregular black (10YR 2/1) iron-manganese masses throughout; 10 percent by volume angular sandstone, unspecified fragments and 70 percent by volume angular limestone, cherty fragments; gradual wavy boundary. Lab sample # MU021355. discontinuous - phpvsfiid 136897; discontinuous - phpvsfiid 136897
    2Btx2—109 to 142 centimeters (42.9 to 55.9 inches); yellowish red (5YR 4/6) extremely gravelly clay; strong medium subangular blocky structure; firm; 35 percent distinct clay films throughout; 15 percent fine and medium irregular black (10YR 2/1) iron-manganese masses throughout; 5 percent by volume angular sandstone, unspecified fragments and 60 percent by volume angular limestone, cherty fragments; gradual wavy boundary. Lab sample # MU021356. discontinuous - phpvsfiid 136898; discontinuous - phpvsfiid 136898
    3Bt3—142 to 165 centimeters (55.9 to 65.0 inches); 70 percent yellowish red (5YR 4/6) and 30 percent light yellowish brown (10YR 6/4) very gravelly clay; strong medium subangular blocky structure; firm; 60 percent distinct clay films throughout; 15 percent fine and medium irregular black (10YR 2/1) iron-manganese masses throughout; 15 percent by volume angular limestone, cherty fragments. Lab sample # MU021357. discontinuous - phpvsfiid 136899; discontinuous - phpvsfiid 136899
    3Bt4—165 to 203 centimeters (65.0 to 79.9 inches); 80 percent strong brown (7.5YR 4/6) and 20 percent light yellowish brown (10YR 6/4) gravelly clay; firm; 60 percent distinct clay films throughout; 10 percent by volume angular limestone, cherty fragments. Lab sample # MU021358. discontinuous - phpvsfiid 136900; discontinuous - phpvsfiid 136900