IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulstone
  • OSD
  • Series Extent
  • User Site ID: 1994MO203081M
  • User Pedon ID: 1994MO203081M
  • Vegetation Plot ID: 1994MO203081
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9461381
  • NCSS Pedon Lab Data NASIS Record ID - 25387
  • Print Date: 12/9/2025

    • 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: 37.1476611
  • Std. Longitude: -91.0924278
  • Datum: WGS84
  • Township: T29N
  • Range: R1W
  • Section: 30
  • PLSS Details: 902 feet W and 916 feet N of the SE corner
  • Country: US—United States
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO613—Shannon County, Missouri, North & West Parts
  • 7.5 Minute USGS Quad: 37091-B1—Exchange, Missouri

    • PEDON

  • Describers Name: Dennis Meinert, Keith Knelle
  • Current Taxonomic Class: Loamy-skeletal, semiactive, mesic Typic Hapludults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 81
  • Correlated Information:
  • Soil Name - Coulstone
  • PSC - 23 to 73 cm.
  • Classificaton Date - 3/13/2020
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Coulstone
  • Taxonomic Class - Loamy-skeletal, siliceous, semiactive, mesic Typic Hapludults
  • Taxon Kind - series
  • PSC - 23 to 73 cm.
  • Classificaton Date - 7/13/1994
  • Soil Taxonomic Edition - ninth 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 3


    • SITE

  • Parent Material: residuum and/or Gasconade Dolomite loamy slope alluvium derived from mixed
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: head slope
  • Hill Slope Profile: backslope
  • 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: 7/13/1994 (actual site observation date)
  • Air Photo ID: 37091b1sw
  • 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

    QUCO2

    QUAL

    CARYA

    Quercus velutina

    Quercus coccinea

    Quercus alba

    Carya

    black oak

    scarlet oak

    white oak

    hybrid hickory

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

    ochric epipedon

    argillic horizon

    lithologic discontinuity

    lithologic discontinuity

    0—23

    23—152

    48—

    124—

    —23—

    —129—

    —1—

    —1—
    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

    35

    —

    —

    265.8

    —

    220

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    A—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 4/3) broken face very gravelly loam; weak fine granular structure; friable; 3.0 fine roots throughout; 3.0 fine interstitial pores; 35 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on all faces of peds; 2 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 35 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU001984; observed in pit, small
    E—13 to 23 centimeters (5.1 to 9.1 inches); light yellowish brown (2.5Y 6/3) broken face gravelly silt loam; moderate fine subangular blocky structure; friable; 3.0 fine roots throughout; 3.0 fine tubular pores; 2 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 20 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU001985; observed in pit, small
    Bt11—23 to 36 centimeters (9.1 to 14.2 inches); 70 percent light yellowish brown (10YR 6/4) broken face and 30 percent strong brown (7.5YR 5/6) broken face very gravelly loam; moderate very fine and fine subangular blocky structure; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 fine tubular pores; 35 percent distinct strong brown (7.5YR 5/6), moist, clay films on all faces of peds; 20 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 25 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU001986; observed in pit, small
    Bt12—36 to 48 centimeters (14.2 to 18.9 inches); 70 percent light yellowish brown (10YR 6/4) broken face and 30 percent strong brown (7.5YR 5/6) broken face very gravelly loam; moderate very fine and fine subangular blocky structure; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 fine tubular pores; 35 percent distinct strong brown (7.5YR 5/6), moist, clay films on all faces of peds; 20 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 25 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU001987; observed in pit, small
    2Bt21—48 to 61 centimeters (18.9 to 24.0 inches); 60 percent yellowish red (5YR 4/6) broken face and 40 percent strong brown (7.5YR 4/6) broken face very gravelly loam; moderate fine subangular blocky structure; friable; 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 medium tubular and 3.0 fine tubular pores; 35 percent distinct reddish brown (5YR 4/4), moist, clay films on rock fragments and 35 percent distinct light gray (10YR 7/1), moist, silt coats on all faces of peds and 35 percent distinct light gray (10YR 7/2), moist, silt coats on all faces of peds; 10 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 45 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU001988; observed in pit, small
    2Bt22—61 to 74 centimeters (24.0 to 29.1 inches); 60 percent yellowish red (5YR 4/6) broken face and 40 percent strong brown (7.5YR 4/6) broken face very gravelly sandy loam; moderate fine subangular blocky structure; friable; 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 medium tubular and 3.0 fine tubular pores; 35 percent distinct reddish brown (5YR 4/4), moist, clay films on rock fragments and 35 percent distinct light gray (10YR 7/1), moist, silt coats on all faces of peds and 35 percent distinct light gray (10YR 7/2), moist, silt coats on all faces of peds; 10 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 45 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU001989; observed in pit, small
    2Bt31—74 to 86 centimeters (29.1 to 33.9 inches); 50 percent strong brown (7.5YR 4/6) broken face and 50 percent dark yellowish brown (10YR 4/6) broken face very gravelly sandy loam; weak medium angular blocky structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 fine vesicular and 0.5 fine tubular pores; 35 percent distinct brown (7.5YR 4/4), moist, clay films on rock fragments and 35 percent distinct reddish brown (5YR 5/4), moist, clay films on rock fragments and 35 percent distinct brownish yellow (10YR 6/6), moist, silt coats on all faces of peds; 25 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments and 30 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments; clear wavy boundary. Lab sample # MU001990; observed in pit, small
    2Bt32—86 to 97 centimeters (33.9 to 38.2 inches); 50 percent strong brown (7.5YR 4/6) broken face and 50 percent dark yellowish brown (10YR 4/6) broken face very gravelly sandy loam; weak medium angular blocky structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 fine vesicular and 0.5 fine tubular pores; 35 percent distinct brown (7.5YR 4/4), moist, clay films on rock fragments and 35 percent distinct reddish brown (5YR 5/4), moist, clay films on rock fragments and 35 percent distinct brownish yellow (10YR 6/6), moist, silt coats on all faces of peds; 25 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments and 30 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments; clear wavy boundary. Lab sample # MU001991; observed in pit, small
    2Bt41—97 to 112 centimeters (38.2 to 44.1 inches); strong brown (7.5YR 5/6) broken face very gravelly clay loam; moderate fine angular blocky, and moderate fine subangular blocky structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 fine tubular pores; 35 percent distinct reddish brown (5YR 5/4), moist, clay films on rock fragments and 35 percent distinct brownish yellow (10YR 6/6), moist, silt coats on all faces of peds and 35 percent distinct red (2.5YR 4/6), moist, silt coats on all faces of peds and 70 percent distinct brown (7.5YR 4/4), moist, clay films on rock fragments; 5 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 35 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU001992; observed in pit, small
    2Bt42—112 to 124 centimeters (44.1 to 48.8 inches); strong brown (7.5YR 5/6) broken face very gravelly clay; moderate fine subangular blocky, and moderate fine angular blocky structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 fine tubular pores; 35 percent distinct reddish brown (5YR 5/4), moist, clay films on rock fragments and 35 percent distinct brownish yellow (10YR 6/6), moist, silt coats on all faces of peds and 35 percent distinct red (2.5YR 4/6), moist, silt coats on all faces of peds and 70 percent distinct brown (7.5YR 4/4), moist, clay films on rock fragments; 5 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 35 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU001993; observed in pit, small
    3Bt51—124 to 135 centimeters (48.8 to 53.1 inches); 50 percent yellowish red (5YR 5/8) broken face and 50 percent yellow (10YR 7/8) broken face clay; moderate medium subangular blocky structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 fine tubular pores; 35 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on vertical faces of peds and 35 percent distinct pinkish gray (7.5YR 7/2), moist, clay films on surfaces along root channels; 5 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments and 5 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments; gradual smooth boundary. Lab sample # MU001994; observed in pit, small
    3Bt52—135 to 145 centimeters (53.1 to 57.1 inches); 50 percent yellowish red (5YR 5/8) broken face and 50 percent yellow (10YR 7/8) broken face sandy clay; moderate medium subangular blocky structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 fine tubular pores; 35 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on vertical faces of peds and 35 percent distinct pinkish gray (7.5YR 7/2), moist, clay films on surfaces along root channels; 5 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments and 5 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments; gradual smooth boundary. Lab sample # MU001995; observed in pit, small
    3Bt6—145 to 152 centimeters (57.1 to 59.8 inches); 60 percent yellowish red (5YR 5/8) broken face and 40 percent yellow (10YR 7/8) broken face sandy clay loam; moderate medium subangular blocky structure; firm; 0.5 very fine roots throughout; 0.5 fine tubular pores; 35 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds and 35 percent distinct yellowish brown (10YR 5/6), moist, clay films on all faces of peds; 2 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 5 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments. Lab sample # MU001996; observed in pit, small