IDENTIFIERS

  • Current Taxon Name (Soil Name): Wilderness
  • OSD
  • Series Extent
  • User Site ID: 1994MO125037M
  • User Pedon ID: 1994MO125037
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9412537
  • Print Date: 11/21/2024

    • 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: 38.1972764
  • Std. Longitude: -91.6937564
  • Datum: WGS84
  • Township: T40N
  • Range: R7W
  • Section: 22
  • PLSS Details: 1800 feet E and 400 feet S of the NW corner
  • Location Description: 1800'E., 400'S. of the NW corner of Sec. 22, T40N, R7W.
  • State: Missouri
  • County: MO125—Maries
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: Keith Davis Brad Berhorst Wyn Kelley
  • Current Taxonomic Class: Clayey-skeletal, mixed Typic Fragiudalfs
  • Pedon Type: representative pedon for component
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Wilderness
  • Taxonomic Class - Clayey-skeletal, mixed Typic Fragiudalfs
  • Taxon Kind - series
  • PSC - 20 to 70 cm.
  • Classificaton Date - 12/7/1994
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from sandstone
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/7/1994 (actual site observation date)
  • Air Photo ID: 10B
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—20

    20—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

    14

    91

    30.5

    299

    —

    315

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 5/3) interior gravelly silt loam; weak very fine subangular blocky structure; very friable; 6.0 very fine and fine roots throughout and 3.0 medium and coarse roots throughout; 2.0 very fine and fine moderate-continuity vesicular pores; 20 percent by volume subrounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU050786. all gravels and cobbles throughout this pedon are chert unless otherwise stated
    E—8 to 20 centimeters (3.1 to 7.9 inches); yellowish brown (10YR 5/4) interior gravelly silt loam; weak very fine subangular blocky structure; friable; 6.0 very fine roots throughout and 3.0 fine and medium roots throughout and 0.5 coarse roots throughout; 2.0 very fine and fine moderate-continuity vesicular pores; 20 percent by volume subrounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU050787
    Bt1—20 to 33 centimeters (7.9 to 13.0 inches); yellowish brown (10YR 5/6) interior very gravelly silt loam; moderate very fine subangular blocky structure; friable; 3.0 very fine to medium roots throughout; 2.0 very fine and fine moderate-continuity vesicular pores; 10 percent faint clay films throughout; 40 percent by volume subrounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU050788. discontinuous - phpvsfiid 145114; discontinuous - phpvsfiid 145114
    Bt2—33 to 61 centimeters (13.0 to 24.0 inches); 98 percent strong brown (7.5YR 5/6) interior very gravelly silty clay loam; 2 percent yellowish brown (10YR 5/4) fine distinct irregular mottles; moderate fine subangular blocky structure; firm; 3.0 very fine roots throughout and 0.5 fine roots throughout; 0.5 very fine moderate-continuity vesicular pores; 30 percent distinct clay films throughout; 50 percent by volume angular 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU050789. continuous - phpvsfiid 145115; continuous - phpvsfiid 145115
    Bt3—61 to 79 centimeters (24.0 to 31.1 inches); 85 percent strong brown (7.5YR 5/6) interior extremely gravelly loam; 15 percent light brownish gray (10YR 6/2) medium prominent irregular mottles; weak medium prismatic parts to moderate fine subangular blocky structure; firm; 1.0 very fine roots throughout; 0.5 very fine low-continuity vesicular pores; 10 percent faint clay films throughout; 10 percent by volume subrounded 75-162-250 millimeter sandstone, unspecified fragments and 60 percent by volume subrounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; abrupt wavy boundary. Lab sample # MU050790. horizonal clay films indicate lateral water movement across top of pan water seeping into pit while being described; discontinuous - phpvsfiid 145116; discontinuous - phpvsfiid 145116
    2Btx1—79 to 122 centimeters (31.1 to 48.0 inches); 80 percent yellowish brown (10YR 5/6) interior extremely gravelly loam; 20 percent light brownish gray (10YR 6/2) medium prominent irregular mottles; weak coarse and very coarse prismatic structure; extremely firm*; 0.5 very fine roots in cracks; 6.0 very fine low-continuity vesicular pores; 90 percent by volume subrounded 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.6, hellige-truog; gradual wavy boundary. Lab sample # MU050791. sandstone stone line at the top of this horizon
    2Btx2—122 to 150 centimeters (48.0 to 59.1 inches); light yellowish brown (10YR 6/4) interior extremely gravelly silt loam; weak very fine massive; extremely firm*; 6.0 very fine low-continuity vesicular pores; 20 percent by volume subrounded 75-162-250 millimeter unspecified fragments and 60 percent by volume subrounded 2-39-75 millimeter unspecified fragments; neutral, pH 7.0, hellige-truog; gradual wavy boundary. Lab sample # MU050792
    3Bt4—150 to 203 centimeters (59.1 to 79.9 inches); 98 percent yellowish brown (10YR 5/6) interior extremely gravelly loam; 2 percent light brownish gray (10YR 6/2) fine prominent irregular mottles; moderate coarse prismatic structure; very firm; 4.0 very fine low-continuity vesicular pores; 20 percent distinct clay films throughout; 20 percent by volume subrounded 75-162-250 millimeter unspecified fragments and 60 percent by volume subrounded 2-39-75 millimeter unspecified fragments; slightly alkaline, pH 7.5, hellige-truog. Lab sample # MU050793. vertical clay seams 7.5YR4/6 along sides of prisms; continuous - phpvsfiid 145117; continuous - phpvsfiid 145117