IDENTIFIERS

  • Current Taxon Name (Soil Name): Gravois
  • OSD
  • Series Extent
  • User Site ID: 2000MO055008M
  • User Pedon ID: 2000MO055008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0005508
  • 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: 38.1974999
  • Std. Longitude: -91.4254938
  • Datum: WGS84
  • Township: T40N
  • Range: R4W
  • Section: 19
  • PLSS Details: 600 feet E and 800 feet S of the NW corner
  • Location Description: 600'E., 800'S. of NW corner Sec. 19 T40N-R4W
  • State: Missouri
  • County: MO055—Crawford
  • MLRA: 116A—Ozark Highland
  • PEDON

  • Describers Name: WK/SL/DM
  • Current Taxonomic Class: Fine, mixed Oxyaquic Fragiudalfs
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Gravois
  • Taxonomic Class - Fine, mixed Oxyaquic Fragiudalfs
  • Taxon Kind - series
  • PSC - 15 to 66 cm.
  • Classificaton Date - 2/9/2000
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess over pedisediment
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/9/2000 (actual site observation date)
  • Air Photo ID: C1
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    10

    0

    Ap—0 to 15 centimeters (0.0 to 5.9 inches); 60 percent brown (10YR 4/3) and 40 percent dark grayish brown (10YR 4/2) silt loam; moderate fine subangular blocky, and weak fine platy structure; friable; 7.0 very fine and fine roots; 3.0 fine tubular pores; 4 percent strong brown (7.5YR 4/6) iron concretions; fragments; clear wavy boundary. Lab sample # MU010776
    Bt1—15 to 25 centimeters (5.9 to 9.8 inches); yellowish brown (10YR 5/4) silt loam; weak medium subangular blocky structure; friable; 7.0 very fine and fine roots; 3.0 very fine and fine tubular pores; 35 percent faint clay films on faces of peds; 4 percent yellowish brown (10YR 5/6) iron concretions; fragments; clear smooth boundary. Lab sample # MU010777. continuous - phpvsfiid 139322; continuous - phpvsfiid 139322
    Bt2—25 to 43 centimeters (9.8 to 16.9 inches); 80 percent yellowish brown (10YR 5/6) and 20 percent yellowish brown (10YR 5/4) silty clay loam; strong fine subangular blocky structure; friable; 7.0 very fine and fine roots; 1.0 fine tubular pores; 35 percent distinct clay films on faces of peds; 15 percent brown (10YR 5/3) iron depletions; fragments; clear smooth boundary. Lab sample # MU010778. discontinuous - phpvsfiid 139323; discontinuous - phpvsfiid 139323
    Bt3—43 to 64 centimeters (16.9 to 25.2 inches); yellowish brown (10YR 5/4) silty clay; moderate fine angular blocky, and moderate fine subangular blocky structure; firm; 3.0 very fine and fine roots; 3.0 fine tubular pores; 35 percent distinct clay films on faces of peds; 15 percent yellowish brown (10YR 5/6) iron depletions and 35 percent grayish brown (10YR 5/2) iron depletions and 35 percent brown (7.5YR 4/4) iron concretions; fragments; clear wavy boundary. Lab sample # MU010779. discontinuous - phpvsfiid 139324; discontinuous - phpvsfiid 139324
    Bt4—64 to 76 centimeters (25.2 to 29.9 inches); grayish brown (10YR 5/2) silty clay loam; weak medium prismatic, and weak fine and medium subangular blocky structure; firm; 1.0 very fine and fine roots; 3.0 fine tubular pores; 35 percent distinct clay films on faces of peds; 35 percent brown (7.5YR 4/4) iron concretions and 35 percent yellowish brown (10YR 5/6) iron concretions; fragments; clear wavy boundary. Lab sample # MU010780. discontinuous - phpvsfiid 139325; discontinuous - phpvsfiid 139325
    2Btx1—76 to 102 centimeters (29.9 to 40.2 inches); 40 percent dark yellowish brown (10YR 4/4) and 40 percent grayish brown (10YR 5/2) and 20 percent yellowish brown (10YR 5/6) gravelly silt loam; moderate medium and coarse prismatic structure; firm; 3.0 fine vesicular pores; 15 percent faint clay films on faces of peds and in pores; 15 percent by volume 2-39-75 millimeter limestone, cherty fragments; gradual wavy boundary. Lab sample # MU010781. 60% Brittle; patchy - phpvsfiid 139326; patchy - phpvsfiid 139326
    2Btx2—102 to 132 centimeters (40.2 to 52.0 inches); 60 percent yellowish brown (10YR 5/4) and 40 percent grayish brown (10YR 5/2) extremely gravelly loam; strong very coarse prismatic structure; very firm; 3.0 fine and medium vesicular pores; 4 percent faint clay films; 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; gradual wavy boundary. Lab sample # MU010782. patchy - phpvsfiid 139327; patchy - phpvsfiid 139327
    2Btx3—132 to 165 centimeters (52.0 to 65.0 inches); 90 percent yellowish brown (10YR 5/4) and 10 percent grayish brown (10YR 5/2) extremely gravelly loam; strong very coarse prismatic structure; very firm; 1.0 fine vesicular pores; 4 percent faint clay films on faces of peds and in pores; 75 percent by volume 2-39-75 millimeter limestone, cherty fragments. Lab sample # MU010783. patchy - phpvsfiid 136941; patchy - phpvsfiid 136941