IDENTIFIERS

  • Current Taxon Name (Soil Name): Higdon
  • OSD
  • Series Extent
  • User Site ID: 2006MO179008M
  • User Pedon ID: 2006MO179008
  • Vegetation Plot ID: 2006MO179008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0617908
  • Print Date: 1/31/2025

    • 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: 37.5606278
  • Std. Longitude: -90.8629556
  • Datum: WGS84
  • Township: T33N
  • Range: R2E
  • Section: 7
  • PLSS Details: 695 feet W and 396 feet S of the NE corner
  • Country: US—United States
  • State: Missouri
  • County: MO179—Reynolds
  • MLRA: 116C—St. Francois Knobs and Basins
  • Non-MLRA Soil Survey Area: MO179—Reynolds County, Missouri
  • 7.5 Minute USGS Quad: 37090-E7—Johnson Shut-ins, Missouri

    • PEDON

  • Describers Name: Dennis Meinert, Leon Thompson, Jennifer Pellett
  • Current Taxonomic Class: Fine-loamy, siliceous, active, mesic Oxyaquic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 8
  • Correlated Information:
  • Soil Name - Higdon
  • PSC - 18 to 68 cm.
  • Classificaton Date - 7/23/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Midco
  • Taxon Kind - series
  • PSC - 18 to 68 cm.
  • Classificaton Date - 10/26/2006
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: gravelly silty slope alluvium derived from mixed over gravelly alluvium derived from limestone and sandstone over sandy and gravelly alluvium derived from limestone and sandstone over silty alluvium derived from limestone and sandstone
  • Landscape: river valley
  • Landform: stream terrace
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Potosi Dolomite formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/26/2006 (actual site observation date)
  • Air Photo ID: 37090e7sw
  • 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

    THUJA

    ACRU

    ACER

    CORNU

    QUMU

    SCSCD2

    Thuja

    Acer rubrum

    Acer

    Cornus

    Quercus muehlenbergii

    Schizachyrium scoparium ssp. divergens

    arborvitae

    red maple

    maple

    dogwood

    chinquapin oak

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

    ochric epipedon

    argillic horizon

    0—30

    18—155

    —30—

    —137—
    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

    2.5

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    —

    282.9

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    60

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 4/3) rubbed silt loam; moderate fine subangular blocky structure; friable; 3.0 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 0.5 fine interstitial pores; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; abrupt smooth boundary. Lab sample # MU005618; observed in pit, small
    Bt1—18 to 30 centimeters (7.1 to 11.8 inches); brown (10YR 5/3) interior silt loam; moderate fine subangular blocky structure; friable; 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 medium tubular and 0.5 fine tubular pores; 12 percent faint brown (10YR 4/3), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU005619; observed in pit, small
    Bt2—30 to 51 centimeters (11.8 to 20.1 inches); brown (10YR 5/3) interior silt loam; weak medium subangular blocky, and weak fine prismatic structure; firm; 0.5 medium roots throughout and 0.5 fine roots throughout; 3.0 medium tubular and 3.0 fine tubular pores; 35 percent distinct light brownish gray (10YR 6/2), moist, silt coats on all faces of peds and 35 percent distinct brown (7.5YR 4/4), moist, clay films on all faces of peds and 35 percent faint dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU005620; observed in pit, small
    2Bt3—51 to 79 centimeters (20.1 to 31.1 inches); brown (10YR 5/3) interior very gravelly silty clay loam; weak medium prismatic structure; firm; 0.5 fine roots in cracks; 3.0 medium tubular and 3.0 fine tubular pores; 35 percent distinct light brownish gray (10YR 6/2), moist, silt coats on all faces of peds and 35 percent prominent brown (7.5YR 4/4), moist, clay films on all faces of peds and 70 percent prominent brown (7.5YR 4/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; 40 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU005621; observed in pit, small
    3Bt4—79 to 102 centimeters (31.1 to 40.2 inches); 70 percent brown (10YR 5/3) interior and 30 percent yellowish brown (10YR 5/8) interior silt loam; weak coarse prismatic structure; firm; 0.5 fine roots in cracks; 3.0 medium tubular and 3.0 fine tubular pores; 12 percent prominent brown (7.5YR 4/2), moist, clay films on all faces of peds and 35 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU005622; observed in pit, small
    4Bt5—102 to 119 centimeters (40.2 to 46.9 inches); 70 percent light brownish gray (10YR 6/2) interior and 30 percent gray (10YR 6/1) interior very gravelly silt loam; weak medium prismatic structure; firm; 0.5 fine roots throughout; 3.0 fine tubular pores; 35 percent distinct brown (10YR 5/3), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; 35 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU005623; observed in pit, small
    5Bt6—119 to 132 centimeters (46.9 to 52.0 inches); 60 percent brown (7.5YR 4/4) interior and 40 percent grayish brown (10YR 5/2) interior very gravelly loam; moderate fine and medium subangular blocky structure; firm; 0.5 fine roots throughout; 0.5 fine tubular pores; 35 percent faint grayish brown (10YR 5/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; 45 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU005624; observed in pit, small
    6Bt7—132 to 155 centimeters (52.0 to 61.0 inches); light brownish gray (10YR 6/2) interior silt loam; weak fine and medium prismatic structure; firm; 0.5 fine roots throughout; 3.0 fine tubular pores; 70 percent prominent brown (7.5YR 4/3), moist, clay films on all faces of peds and 70 percent prominent dark brown (7.5YR 3/4), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subrounded very strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments. Lab sample # MU005625; observed in pit, small