IDENTIFIERS

  • Current Taxon Name (Soil Name): Gravois
  • OSD
  • Series Extent
  • User Site ID: 1995MO051049
  • User Pedon ID: 1995MO051049
  • Transect:
  • Transect Stop Number - 2
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9505114
  • NCSS Pedon Lab Data NASIS Record ID - 27562
  • Print Date: 11/12/2024
  • 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: 38.3727984
  • Std. Longitude: -92.2295506
  • Datum: WGS84
  • Range: R12W
  • Section: 23
  • Location Description: Harry Bexton property; 3500' due N of SW cor sec. 23, T. 42 N, R 12 W
  • State: Missouri
  • County: MO051—Cole
  • MLRA: 116B—Springfield Plain
  • PEDON

  • Describers Name: JLB, 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 - 2/22/1995
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: colluvium and/or residuum weathered from cherty limestone
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: footslope
  • Slope Shape Across: convex
  • Slope Shape Down: concave
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/22/1995 (actual site observation date)
  • Air Photo ID: 4-78
  • 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

    albic horizon

    argillic horizon

    0—8

    8—18

    18—203

    —-

    —-

    —-

    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

    12

    198

    90

    991

    12.8

    23.9

    0

    4271

    Jefferson City Water Plant

    nonrecording

    Ap—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (10YR 4/2) silt loam; moderate fine granular structure; very friable; 0.5 fine and medium roots; 0.5 very fine and fine interstitial pores; 6 percent distinct organic stains on faces of peds; 10 percent fine iron-manganese masses; 1 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; abrupt smooth boundary. Lab sample # MU017277. discontinuous - phpvsfiid 146752; discontinuous - phpvsfiid 146752
    E—8 to 18 centimeters (3.1 to 7.1 inches); brown (10YR 5/3) silt loam; weak fine subangular blocky structure; friable; 3.0 very fine roots; 0.5 very fine and fine discontinuous tubular pores; 10 percent distinct organic stains on vertical faces of peds and 30 percent distinct silt coats on faces of peds; 1 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU017278. continuous - phpvsfiid 146753; discontinuous - phpvsfiid 146754; continuous - phpvsfiid 146753; discontinuous - phpvsfiid 146754
    Bt1—18 to 36 centimeters (7.1 to 14.2 inches); dark yellowish brown (10YR 4/6) silt loam; moderate fine subangular blocky structure; firm; 3.0 fine and medium roots; 0.5 very fine and fine discontinuous tubular pores; 10 percent faint silt coats on vertical faces of peds and 60 percent distinct clay films on faces of peds; 10 percent fine iron-manganese masses; 1 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU017279. continuous - phpvsfiid 146755; discontinuous - phpvsfiid 146756; continuous - phpvsfiid 146755; discontinuous - phpvsfiid 146756
    Bt2—36 to 53 centimeters (14.2 to 20.9 inches); dark yellowish brown (10YR 4/6) silty clay loam; moderate very fine subangular blocky structure; firm; 0.5 fine discontinuous tubular pores; 10 percent prominent silt coats on vertical faces of peds and 30 percent prominent clay films on faces of peds; 10 percent fine iron-manganese masses; fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU017280. continuous - phpvsfiid 146757; discontinuous - phpvsfiid 146758; continuous - phpvsfiid 146757; discontinuous - phpvsfiid 146758
    Bt3—53 to 66 centimeters (20.9 to 26.0 inches); dark yellowish brown (10YR 4/6) silty clay loam; 10 percent grayish brown (10YR 5/2) fine prominent irregular and 10 percent yellowish brown (10YR 5/8) fine prominent irregular mottles; moderate fine subangular blocky structure; firm; 0.5 fine roots; 0.5 very fine and fine discontinuous tubular pores; 10 percent prominent silt coats on vertical faces of peds and 30 percent prominent clay films on faces of peds; 10 percent fine iron-manganese masses; fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU017281. continuous - phpvsfiid 146759; discontinuous - phpvsfiid 146760; continuous - phpvsfiid 146759; discontinuous - phpvsfiid 146760
    2Btx1—66 to 91 centimeters (26.0 to 35.8 inches); dark yellowish brown (10YR 4/4) silt loam; 1 percent grayish brown (10YR 5/2) fine prominent irregular and 1 percent dark yellowish brown (10YR 4/6) fine distinct irregular mottles; weak coarse prismatic parts to weak coarse subangular blocky structure; very firm; brittle; 0.5 medium roots between peds; 3.0 very fine and fine discontinuous tubular pores; 10 percent prominent gray (10YR 5/1) clay films on vertical faces of peds and 30 percent prominent gray (10YR 5/1) silt coats on vertical faces of peds; 10 percent fine iron-manganese masses; 5 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU017282. 30% of matrix is brittle free water along gray prism faces; moist interiors.; continuous - phpvsfiid 146761; continuous - phpvsfiid 146762; continuous - phpvsfiid 146761; continuous - phpvsfiid 146762
    3Btx2—91 to 152 centimeters (35.8 to 59.8 inches); dark yellowish brown (10YR 4/4) extremely gravelly loam; 10 percent dark yellowish brown (10YR 4/6) fine distinct irregular and 25 percent grayish brown (10YR 5/2) fine prominent irregular mottles; weak fine subangular blocky structure; very firm; brittle; 0.5 very fine roots between peds; 0.5 fine void between rock fragments pores; 30 percent prominent gray (10YR 5/1) silt coats on vertical faces of peds and 60 percent distinct gray (10YR 5/1) clay films on vertical faces of peds; 5 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 5 percent by volume angular 250-425-600 millimeter limestone, cherty fragments and 60 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # MU017283. coarse frags are chert and sandstone 30% of matrix is brittle; continuous - phpvsfiid 146763; continuous - phpvsfiid 146764; continuous - phpvsfiid 146763; continuous - phpvsfiid 146764
    3Bt—152 to 203 centimeters (59.8 to 79.9 inches); strong brown (7.5YR 5/6) extremely gravelly loam; 1 percent brown (10YR 5/3) fine prominent irregular and 10 percent dark yellowish brown (10YR 4/6) fine prominent irregular mottles; moderate fine subangular blocky structure; firm; 0.5 fine void between rock fragments pores; 10 percent prominent silt coats on vertical faces of peds and 10 percent prominent manganese or iron-manganese stains on vertical faces of peds and 30 percent prominent clay films on faces of peds; 5 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 5 percent by volume angular 250-425-600 millimeter limestone, cherty fragments and 60 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.4, hellige-truog. Lab sample # MU017284. coarse frags are chert and sandstone; discontinuous - phpvsfiid 146766; continuous - phpvsfiid 146765; patchy - phpvsfiid 146767; discontinuous - phpvsfiid 146766; continuous - phpvsfiid 146765; patchy - phpvsfiid 146767