IDENTIFIERS

  • Current Taxon Name (Soil Name): Pomme
  • OSD
  • Series Extent
  • User Site ID: 2008MO035058
  • User Pedon ID: 2008MO035058
  • Vegetation Plot ID: 2008MO035058
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0803558
  • User Project ID: 2021-25NCSPR013
  • Project Name: MLRA 116A - Mark Twain National Forest Update
  • Print Date: 4/27/2025

    • 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: 36.9461618
  • Std. Longitude: -91.1554619
  • Datum: WGS84
  • Map Unit: 73498—Poynor gravelly silt loam, 8 to 15 percent slopes
  • State: Missouri
  • County: MO035—Carter
  • MLRA: 116A—Ozark Highland
  • MLRA Soil Survey Area: NC-SPM—Springfield, Missouri
  • Non-MLRA Soil Survey Area: MO601—Mark Twain National Forest Area, MissouriMO035—Carter County, Missouri
  • 7.5 Minute USGS Quad: 36091-H2—Fremont, Missouri

    • PEDON

  • Describers Name: Leon Thompson
  • Current Taxonomic Class: Fine-loamy, siliceous, semiactive, mesic Typic Paleudalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 58
  • Correlated Information:
  • Soil Name - Pomme
  • PSC - 20 to 70 cm.
  • Classificaton Date - 11/2/2018
  • Classifier - J.R. Perkins
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Taterhill
  • Taxonomic Class - Fine-loamy over clayey, siliceous, active, mesic Typic Paleudults
  • Taxon Kind - taxadjunct
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/4/2008
  • Soil Taxonomic Edition - first edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • Field Measured Properties: 23.8 percent of pscs clay and 17.8 percent of pscs sand and 21.8 percent of pscs gravel and 0.38 ratio of cec to clay ratio


    • SITE

  • Parent Material: clayey residuum weathered from cherty limestone and/or slope alluvium derived from mixed
  • Landscape: hills
  • Landform: strath terrace
  • Geomorphic Component Hills: base slope
  • Hill Slope Profile: footslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Gasconade Dolomite formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/4/2008 (actual site observation date)
  • Air Photo ID: 36091h2
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion sheet
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    LOAR10

    TRIFO

    Lolium arundinaceum

    Trifolium

    tall fescue

    clover

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—20

    20—203

    —20—

    —183—
    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

    6

    —

    —

    192

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    46

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark grayish brown (10YR 4/2) rubbed silt loam; weak fine granular, and weak fine subangular blocky structure; friable; 3.0 medium roots throughout and 10.0 fine roots throughout; 10.0 very fine moderate-continuity tubular and 10.0 fine moderate-continuity tubular pores; 5 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; clear smooth boundary.; observed in pit, small
    Bt1—20 to 48 centimeters (7.9 to 18.9 inches); yellowish brown (10YR 5/4) interior silt loam; weak fine subangular blocky structure; friable; 3.0 medium roots throughout and 3.0 fine roots throughout; 10.0 very fine moderate-continuity tubular and 10.0 fine moderate-continuity tubular pores; 35 percent faint dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds and 35 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on all faces of peds; 7 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; clear smooth boundary.; observed in pit, small
    Bt2—48 to 76 centimeters (18.9 to 29.9 inches); 50 percent yellowish red (5YR 4/6) interior and 50 percent reddish brown (5YR 5/4) interior very gravelly silty clay loam; moderate fine subangular blocky structure; firm; 0.5 medium roots throughout and 3.0 fine roots throughout; 3.0 very fine moderate-continuity tubular and 3.0 fine moderate-continuity tubular pores; 35 percent faint yellowish red (5YR 4/6), moist, clay films on rock fragments and 35 percent distinct reddish brown (5YR 5/3), moist, clay films on rock fragments and 35 percent faint reddish brown (5YR 4/4), moist, clay films on rock fragments; 1 percent by volume nonflat subrounded indurated 75-?-250 millimeter chert fragments and 5 percent by volume nonflat subrounded strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 12 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 22 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; clear wavy boundary.; observed in pit, small
    2Bt3—76 to 109 centimeters (29.9 to 42.9 inches); dark red (2.5YR 3/6) interior very gravelly clay loam; moderate fine subangular blocky structure; firm; 0.5 medium moderate-continuity tubular and 3.0 fine moderate-continuity tubular pores; 35 percent distinct dark reddish brown (2.5YR 3/4), moist, clay films on rock fragments and 35 percent faint dark red (2.5YR 3/6), moist, clay films on rock fragments and 35 percent prominent reddish brown (5YR 4/3), moist, clay films on rock fragments; 3 percent by volume nonflat subrounded indurated 75-?-250 millimeter chert fragments and 5 percent by volume nonflat subrounded strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 10 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 35 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; gradual wavy boundary.; observed in pit, small
    2Bt4—109 to 150 centimeters (42.9 to 59.1 inches); dark red (2.5YR 3/6) interior very gravelly clay; moderate fine subangular blocky structure; firm; 0.5 very fine moderate-continuity tubular and 0.5 fine and 0.5 fine moderate-continuity tubular pores; 12 percent prominent reddish brown (5YR 4/3), moist, clay films on rock fragments and 35 percent distinct dark reddish brown (2.5YR 3/4), moist, clay films on rock fragments; 5 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 5 percent by volume nonflat subrounded strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 25 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; clear wavy boundary.; observed in pit, small
    2Bt5—150 to 203 centimeters (59.1 to 79.9 inches); dark red (2.5YR 3/6) interior very gravelly clay; moderate fine subangular blocky structure; firm; 0.5 medium moderate-continuity tubular and 3.0 fine moderate-continuity tubular and 0.5 coarse moderate-continuity tubular pores; 12 percent prominent reddish brown (5YR 4/3), moist, clay films on rock fragments and 35 percent faint dark red (2.5YR 3/6), moist, clay films on rock fragments; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron-manganese masses with clear boundaries in matrix; 4 percent by volume nonflat subrounded indurated 75-?-250 millimeter chert fragments and 6 percent by volume nonflat subrounded strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 10 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 30 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments.; observed in pit, small