IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulstone
  • OSD
  • Series Extent
  • User Site ID: 1994MO203084M
  • User Pedon ID: 1994MO203084M
  • Vegetation Plot ID: 1994MO203084
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9461384
  • NCSS Pedon Lab Data NASIS Record ID - 25390
  • Print Date: 12/6/2025

    • 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: 37.1474083
  • Std. Longitude: -91.0928722
  • Datum: WGS84
  • Township: T29N
  • Range: R1W
  • Section: 30
  • PLSS Details: 1030 feet W and 821 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: Dan Childress, Dennis Meinert, Keith Knelle
  • Current Taxonomic Class: Coarse-loamy, semiactive, mesic Typic Hapludults
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 84
  • 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 - Coarse-loamy, 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: Gasconade Dolomite loamy slope alluvium derived from mixed
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • 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

    QUCO2

    QUAL

    CARYA

    ACRU

    Quercus coccinea

    Quercus alba

    Carya

    Acer rubrum

    scarlet oak

    white oak

    hybrid hickory

    red maple

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

    ochric epipedon

    argillic horizon

    0—23

    23—163

    —23—

    —140—
    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

    32

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    —

    250.9

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    220

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    A—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 5/3) broken face silt loam; weak fine granular structure; very friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 fine interstitial pores; 1 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments and 1 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments; clear wavy boundary. Lab sample # MU002022; observed in pit, small
    E—10 to 23 centimeters (3.9 to 9.1 inches); light yellowish brown (10YR 6/4) broken face silt loam; moderate fine subangular blocky structure; friable; 3.0 medium roots throughout; 0.5 very fine tubular and 0.5 fine tubular pores; 2 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; abrupt wavy boundary. Lab sample # MU002023; observed in pit, small
    Bt1—23 to 38 centimeters (9.1 to 15.0 inches); yellowish brown (10YR 5/4) broken face silt loam; weak fine subangular blocky structure; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 fine tubular pores; 12 percent distinct strong brown (7.5YR 4/6), moist, clay films on all faces of peds and 12 percent distinct light yellowish brown (10YR 6/4), moist, silt coats on all faces of peds; 3 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU002024; observed in pit, small
    2Bt2—38 to 53 centimeters (15.0 to 20.9 inches); yellowish brown (10YR 5/6) broken face gravelly loam; moderate fine subangular blocky structure; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 very fine tubular and 0.5 fine tubular pores; 35 percent distinct strong brown (7.5YR 4/6), moist, clay films on rock fragments and 35 percent distinct light gray (10YR 7/2), moist, silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 17 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU002025; observed in pit, small
    2Bt3—53 to 69 centimeters (20.9 to 27.2 inches); strong brown (7.5YR 5/6) broken face very gravelly loam; moderate fine subangular blocky structure; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 very fine tubular and 0.5 medium tubular and 0.5 fine tubular pores; 35 percent distinct light gray (10YR 7/2), moist, silt coats on all faces of peds and 70 percent distinct brown (7.5YR 4/4), moist, clay films on rock fragments; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 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 wavy boundary. Lab sample # MU002026; observed in pit, small
    2Bt41—69 to 81 centimeters (27.2 to 31.9 inches); 60 percent strong brown (7.5YR 5/6) broken face and 40 percent brown (7.5YR 5/4) broken face very gravelly loam; weak fine subangular blocky structure; friable; 0.5 very fine roots throughout; 0.5 fine tubular pores; 70 percent distinct brown (7.5YR 4/4), moist, clay films on rock fragments and 70 percent distinct light gray (10YR 7/2), moist, silt coats on rock fragments; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 8 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; gradual wavy boundary. Lab sample # MU002027; observed in pit, small
    2Bt42—81 to 94 centimeters (31.9 to 37.0 inches); 60 percent strong brown (7.5YR 5/6) broken face and 40 percent brown (7.5YR 5/4) broken face very gravelly loam; weak fine subangular blocky structure; friable; 0.5 very fine roots throughout; 0.5 fine tubular pores; 70 percent distinct brown (7.5YR 4/4), moist, clay films on rock fragments and 70 percent distinct light gray (10YR 7/2), moist, silt coats on rock fragments; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 8 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; gradual wavy boundary. Lab sample # MU002028; observed in pit, small
    2Bt43—94 to 107 centimeters (37.0 to 42.1 inches); 60 percent strong brown (7.5YR 5/6) broken face and 40 percent brown (7.5YR 5/4) broken face very gravelly sandy loam; weak fine subangular blocky structure; friable; 0.5 very fine roots throughout; 0.5 fine tubular pores; 70 percent distinct brown (7.5YR 4/4), moist, clay films on rock fragments and 70 percent distinct light gray (10YR 7/2), moist, silt coats on rock fragments; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 8 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; gradual wavy boundary. Lab sample # MU002029; observed in pit, small
    2Bt51—107 to 119 centimeters (42.1 to 46.9 inches); 50 percent dark yellowish brown (10YR 4/6) broken face and 50 percent yellowish brown (10YR 5/4) broken face extremely gravelly sandy loam; weak fine subangular blocky structure; friable; 0.5 fine roots throughout; 0.5 fine tubular pores; 35 percent distinct strong brown (7.5YR 4/6), moist, clay films on rock fragments and 35 percent distinct light brownish gray (10YR 6/2), moist, silt coats on rock fragments; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 50 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU002030; observed in pit, small
    2Bt52—119 to 132 centimeters (46.9 to 52.0 inches); 50 percent dark yellowish brown (10YR 4/6) broken face and 50 percent yellowish brown (10YR 5/4) broken face extremely gravelly sandy loam; weak fine subangular blocky structure; friable; 0.5 fine roots throughout; 0.5 fine tubular pores; 35 percent distinct strong brown (7.5YR 4/6), moist, clay films on rock fragments and 35 percent distinct light brownish gray (10YR 6/2), moist, silt coats on rock fragments; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 50 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU002031; observed in pit, small
    2Bt53—132 to 145 centimeters (52.0 to 57.1 inches); 50 percent dark yellowish brown (10YR 4/6) broken face and 50 percent yellowish brown (10YR 5/4) broken face extremely gravelly coarse sandy loam; weak fine subangular blocky structure; friable; 0.5 fine roots throughout; 0.5 fine tubular pores; 35 percent distinct strong brown (7.5YR 4/6), moist, clay films on rock fragments and 35 percent distinct light brownish gray (10YR 6/2), moist, silt coats on rock fragments; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 50 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; abrupt wavy boundary. Lab sample # MU002032; observed in pit, small
    3Bt6—145 to 163 centimeters (57.1 to 64.2 inches); yellowish brown (10YR 5/8) broken face extremely gravelly coarse sandy loam; weak fine subangular blocky structure; friable; 0.5 fine roots throughout; 3.0 fine interstitial pores; 35 percent distinct strong brown (7.5YR 5/6), moist, clay films on rock fragments and 35 percent distinct yellowish brown (10YR 5/6), moist, silt coats on rock fragments; 12 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 65 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments. Lab sample # MU002033; observed in pit, small