IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 2005MO223004M
  • User Pedon ID: 2005MO223004
  • Vegetation Plot ID: 2005MO223004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0522304
  • Print Date: 2/17/2025

    • 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: 37.2836111
  • Std. Longitude: -90.4005556
  • Datum: WGS84
  • Township: T30N
  • Range: R6E
  • Section: 16
  • PLSS Details: 559 feet and 590 feet of the NW corner
  • Country: US—United States
  • State: Missouri
  • County: MO223—Wayne
  • MLRA: 116C—St. Francois Knobs and Basins
  • Non-MLRA Soil Survey Area: MO223—Wayne County, Missouri
  • 7.5 Minute USGS Quad: 37090-C4—Coldwater, Missouri

    • PEDON

  • Describers Name: Donald Foerster, Leon Thompson, John Horton, Keith Knelle
  • Current Taxonomic Class: Clayey-skeletal, mixed, semiactive, mesic Typic Hapludults
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 4
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxonomic Class - Clayey-skeletal, mixed, semiactive, mesic Typic Hapludults
  • Taxon Kind - series
  • PSC - 33 to 100 cm.
  • Classificaton Date - 1/26/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: gravelly pedisediment derived from mixed over clayey residuum weathered from dolomite
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Eminence Dolomite formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/26/2005 (actual site observation date)
  • Air Photo ID: 37090c4se
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • 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

    QUVE

    QUAL

    QURU

    CARYA

    CORNU

    SAAL5

    Quercus velutina

    Quercus alba

    Quercus rubra

    Carya

    Cornus

    Sassafras albidum

    black oak

    white oak

    northern red oak

    hybrid hickory

    dogwood

    sassafras

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

    ochric epipedon

    argillic horizon

    0—33

    33—183

    —33—

    —150—
    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

    10

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    —

    234.4

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    112

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    A—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2) interior silt loam; weak fine granular structure; very friable; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout and 10.0 coarse roots throughout; 3.0 fine moderate-continuity irregular pores; 2 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 30 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU006333; observed in pit, small
    E—13 to 33 centimeters (5.1 to 13.0 inches); brown (10YR 5/3) interior silt loam; weak fine subangular blocky structure; friable; 10.0 medium roots throughout and 10.0 fine roots throughout and 10.0 coarse roots throughout; 3.0 fine moderate-continuity tubular pores; 12 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on surfaces along pores; 2 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 40 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU006334; observed in pit, small
    Bt1—33 to 61 centimeters (13.0 to 24.0 inches); yellowish brown (10YR 5/4) interior loam; moderate fine subangular blocky structure; friable; 0.5 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 3.0 fine low-continuity vesicular pores; 35 percent distinct strong brown (7.5YR 4/6), moist, clay films on rock fragments; 40 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU006335; observed in pit, small
    2Bt2—61 to 97 centimeters (24.0 to 38.2 inches); 70 percent red (2.5YR 4/8) interior and 20 percent yellowish brown (10YR 5/6) interior and 10 percent light gray (7.5YR 7/1) interior clay; moderate fine subangular blocky structure; firm; 0.5 medium roots throughout and 0.5 fine roots throughout; 3.0 fine low-continuity vesicular pores; 35 percent distinct red (2.5YR 4/6), moist, clay films on all faces of peds; 40 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU006336; observed in pit, small
    2Bt3—97 to 135 centimeters (38.2 to 53.1 inches); 90 percent red (2.5YR 4/8) interior and 10 percent brownish yellow (10YR 6/6) interior clay; moderate medium subangular blocky structure; firm; 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 0.5 medium low-continuity vesicular and 10.0 fine moderate-continuity tubular pores; 12 percent distinct light gray (10YR 7/2), moist, silt coats on all faces of peds and 35 percent distinct reddish brown (2.5YR 4/4), moist, clay films on all faces of peds; 10 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 30 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU006337; observed in pit, small
    3Bt4—135 to 183 centimeters (53.1 to 72.0 inches); red (2.5YR 4/8) interior clay; moderate medium subangular blocky structure; firm; 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 fine moderate-continuity tubular pores; 35 percent distinct red (2.5YR 4/6), moist, clay films on all faces of peds and 35 percent distinct brown (10YR 5/3), moist, clay films on all faces of peds; 5 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 30 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments.; observed in pit, small