IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 2005MO223001M
  • User Pedon ID: 2005MO223001
  • Vegetation Plot ID: 2005MO223001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0522301
  • Print Date: 5/19/2024

    • 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: 37.2791667
  • Std. Longitude: -90.3927778
  • Datum: WGS84
  • Township: T30N
  • Range: R6E
  • Section: 16
  • PLSS Details: 2501 feet and 2360 feet of the NE 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: Rod Taylor, 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 #: 1
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxonomic Class - Clayey-skeletal, mixed, semiactive, mesic Typic Hapludults
  • Taxon Kind - series
  • PSC - 43 to 100 cm.
  • Classificaton Date - 1/26/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • 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: summit
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • 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

    QUAL

    QUCO2

    THUJA

    ACER

    Quercus alba

    Quercus coccinea

    Thuja

    Acer

    white oak

    scarlet oak

    arborvitae

    maple

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

    ochric epipedon

    albic materials

    argillic horizon

    0—43

    25—43

    43—152

    —43—

    —18—

    —109—
    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

    7

    —

    —

    233.5

    —

    255

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    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.; observed in pit, small
    A—3 to 10 centimeters (1.2 to 3.9 inches); dark brown (10YR 3/3) rubbed silt loam; moderate fine granular structure; very friable; 10.0 very fine roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout and 0.5 coarse roots throughout; 10.0 very fine interstitial and 10.0 fine interstitial pores; 3 percent by volume nonflat angular very strongly coherent cemented 75-?-250 millimeter chert fragments and 40 percent by volume nonflat angular very strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU006319; observed in pit, small
    E1—10 to 25 centimeters (3.9 to 9.8 inches); brown (10YR 5/3) interior silt loam; moderate fine subangular blocky structure; friable; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 very fine interstitial and 10.0 fine interstitial pores; 35 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on all faces of peds; 25 percent by volume nonflat angular very strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU006320; observed in pit, small
    E2—25 to 43 centimeters (9.8 to 16.9 inches); pale brown (10YR 6/3) interior silt loam; moderate fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular and 10.0 fine tubular pores; 30 percent by volume nonflat angular very strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU006321; observed in pit, small
    Bt1—43 to 61 centimeters (16.9 to 24.0 inches); strong brown (7.5YR 5/6) interior silt loam; moderate fine subangular blocky structure; firm; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular and 10.0 fine tubular pores; 35 percent distinct light yellowish brown (10YR 6/4), moist, silt coats on rock fragments and 35 percent prominent yellowish red (5YR 4/6), moist, clay films on all faces of peds; 40 percent by volume nonflat angular very strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU006322; observed in pit, small
    2Bt2—61 to 91 centimeters (24.0 to 35.8 inches); 50 percent red (2.5YR 4/6) interior and 50 percent strong brown (7.5YR 5/6) interior clay; moderate fine subangular blocky structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 very fine tubular and 10.0 fine tubular pores; 35 percent prominent pale brown (10YR 6/3), moist, silt coats on all faces of peds and 35 percent faint red (2.5YR 4/6), moist, clay films on all faces of peds; 5 percent by volume nonflat angular very strongly coherent cemented 250-?-600 millimeter chert fragments and 40 percent by volume nonflat angular very strongly coherent cemented 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU006323; observed in pit, small
    2Bt3—91 to 127 centimeters (35.8 to 50.0 inches); 60 percent red (2.5YR 4/6) interior and 40 percent strong brown (7.5YR 5/6) interior clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; very firm; 0.5 very fine roots throughout; 3.0 very fine tubular and 10.0 fine tubular pores; 35 percent prominent strong brown (7.5YR 4/6), moist, clay films on all faces of peds and 70 percent faint red (2.5YR 4/6), moist, clay films on all faces of peds; 5 percent by volume nonflat angular very strongly coherent cemented 250-?-600 millimeter chert fragments and 35 percent by volume nonflat angular very strongly coherent cemented 2-?-75 millimeter chert fragments; diffuse wavy boundary. Lab sample # MU006324; observed in pit, small
    2Bt4—127 to 152 centimeters (50.0 to 59.8 inches); 60 percent red (2.5YR 4/6) interior and 40 percent strong brown (7.5YR 5/6) interior very gravelly sandy clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; very firm; 0.5 very fine roots throughout; 3.0 very fine tubular and 10.0 fine tubular pores; 70 percent faint red (2.5YR 4/6), moist, clay films on rock fragments; 10 percent by volume nonflat angular very strongly coherent cemented 250-?-600 millimeter chert fragments and 40 percent by volume nonflat angular very strongly coherent cemented 2-?-75 millimeter chert fragments. Lab sample # MU006325; observed in pit, small