IDENTIFIERS

  • Current Taxon Name (Soil Name): Leonard
  • OSD
  • Series Extent
  • User Site ID: 1992MO019015
  • User Pedon ID: 1992MO019015
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9201915
  • NCSS Pedon Lab Data NASIS Record ID - 28121
  • Print Date: 2/3/2025

    • 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: 39.2172311
  • Std. Longitude: -92.2109065
  • Datum: WGS84
  • Range: R12W
  • Section: 12
  • Location Description: 2130 feet east and 2225 feet north of the southwest corner of sec. 12, T. 51 N., R. 12 W.
  • State: Missouri
  • County: MO019—Boone
  • MLRA: 113—Central Claypan Areas

    • PEDON

  • Describers Name: GHD and MWO
  • 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 - Leonard
  • PSC - 13 to 64 cm.
  • Classificaton Date - 11/21/1991
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or till
  • Landscape: upland
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Runoff: medium
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/21/1991 (actual site observation date)
  • Air Photo ID: 3
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop 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—13

    13—198

    —-

    —-
    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

    —

    —

    —

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark brown (10YR 3/3) silty clay loam; moderate medium granular structure; friable; 10.0 very fine roots and 0.1 fine roots; 1 percent fine iron-manganese concretions; fragments; neutral, pH 6.6, hellige-truog; abrupt smooth boundary. Lab sample # MU021049
    Btg1—13 to 23 centimeters (5.1 to 9.1 inches); dark grayish brown (10YR 4/2) silty clay; moderate fine subangular blocky structure; firm; 6.0 very fine roots; 60 percent distinct clay films on faces of peds; yellowish red (5YR 5/6) masses of oxidized iron; 25 percent fine dark yellowish brown (10YR 4/6); fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU021050
    Btg2—23 to 38 centimeters (9.1 to 15.0 inches); dark grayish brown (10YR 4/2) silty clay; moderate fine and medium subangular blocky structure; firm; 3.0 very fine roots; 35 percent distinct clay films on faces of peds; 25 percent fine strong brown (7.5YR 4/6) masses of oxidized iron; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU021051
    Btg3—38 to 66 centimeters (15.0 to 26.0 inches); light brownish gray (10YR 6/2) silty clay loam; weak fine and medium subangular blocky structure; firm; 0.1 very fine roots; 35 percent distinct very dark grayish brown (10YR 3/2) clay films on faces of peds and in pores; 1 percent iron-manganese concretions and 25 percent coarse yellowish red (5YR 4/6) masses of oxidized iron; fragments; strongly acid, pH 5.1, hellige-truog; gradual smooth boundary. Lab sample # MU021052
    2Btg4—66 to 119 centimeters (26.0 to 46.9 inches); light brownish gray (10YR 6/2) silty clay loam; moderate medium prismatic parts to weak fine subangular blocky structure; firm; 0.1 very fine roots; 35 percent distinct very dark grayish brown (10YR 3/2) clay films on faces of peds and 60 percent distinct silt coats on faces of peds; 1 percent fine iron-manganese concretions and 25 percent coarse strong brown (7.5YR 5/6) masses of oxidized iron; fragments; strongly acid, pH 5.4, hellige-truog; gradual smooth boundary. Lab sample # MU021053
    2Btg5—119 to 198 centimeters (46.9 to 78.0 inches); gray (10YR 6/1) silty clay loam; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 15 percent clay films on faces of peds and in pores and 35 percent silt coats on faces of peds; 1 percent fine iron-manganese concretions and 25 percent coarse strong brown (7.5YR 5/6) masses of oxidized iron; fragments; moderately acid, pH 5.6, hellige-truog. Lab sample # MU021054