IDENTIFIERS

  • Current Taxon Name (Soil Name): Bonnefemme
  • OSD
  • Series Extent
  • User Site ID: 1992MO019056
  • User Pedon ID: 1992MO019056
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9201956
  • NCSS Pedon Lab Data NASIS Record ID - 26672
  • Print Date: 11/13/2025

    • 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: 38.6857284
  • Std. Longitude: -92.2632284
  • Datum: WGS84
  • Range: R12W
  • Section: 10
  • Location Description: 2300 feet west and 150 feet north of the SE corner of sec. 10, T.45N.,R.12W.
  • State: Missouri
  • County: MO019—Boone
  • MLRA: 115—Central Mississippi Valley Wooded Slopes

    • PEDON

  • Describers Name: FJY 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 - Bonnefemme
  • PSC - 30 to 66 cm.
  • Classificaton Date - 4/15/1992
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or residuum
  • Landscape: hills
  • Landform: hillside
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/15/1992 (actual site observation date)
  • Air Photo ID: 50
  • Surface Cover Properties:
  • 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

    lithic contact

    0—30

    30—66

    66—0

    —-

    —-

    —-
    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

    22

    —

    —

    —

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 1 centimeters (0.0 to 0.4 inches); fragments.
    A—1 to 4 centimeters (0.4 to 1.6 inches); black (10YR 2/1) silt loam; moderate very fine granular, and subangular blocky structure; very friable; 6.0 very fine and fine roots and 0.1 medium roots; fragments; slightly acid, pH 6.2, hellige-truog; abrupt smooth boundary. Lab sample # MU011147. (Note: Matrix color grades to brown (10YR 5/3).)
    E1—4 to 19 centimeters (1.6 to 7.5 inches); yellowish brown (10YR 5/4) silt loam; weak fine subangular blocky structure; very friable; 6.0 very fine and fine roots and 3.0 medium roots; fragments; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # MU011148
    E2—19 to 31 centimeters (7.5 to 12.2 inches); yellowish brown (10YR 5/6) silt loam; weak fine subangular blocky structure; very friable; 3.0 very fine to medium roots and 0.1 coarse roots; yellowish brown (10YR 5/4) on faces of peds; fragments; moderately acid, pH 5.6, hellige-truog; clear wavy boundary. Lab sample # MU011149
    Bt—31 to 52 centimeters (12.2 to 20.5 inches); yellowish brown (10YR 5/8) silty clay; 1 percent brown (10YR 5/3) fine prominent mottles; moderate fine subangular blocky structure; firm; 0.1 very fine roots and 3.0 fine to coarse roots; 60 percent distinct yellowish brown (10YR 5/4) clay films on faces of peds; 1 percent fine iron-manganese concretions; fragments; strongly acid, pH 5.2, hellige-truog; gradual smooth boundary. Lab sample # MU011150
    2Bt—52 to 67 centimeters (20.5 to 26.4 inches); brown (10YR 4/3) and brownish yellow (10YR 6/8) clay; 1 percent grayish brown (10YR 5/2) fine mottles; weak medium prismatic parts to moderate fine subangular blocky structure; firm; 0.1 very fine to medium roots; 30 percent manganese or iron-manganese stains and 60 percent faint and 60 percent distinct clay films on faces of peds; 10 percent fine iron-manganese concretions; fragments; neutral, pH 6.6, hellige-truog; abrupt wavy boundary. Lab sample # MU011151
    2R—67 centimeters (26.4 inches); fragments.