IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulstone
  • OSD
  • Series Extent
  • User Site ID: 1994MO203073M
  • User Pedon ID: 1994MO203073M
  • Vegetation Plot ID: 1994MO203073
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9461373
  • NCSS Pedon Lab Data NASIS Record ID - 25382
  • Print Date: 12/7/2025

    • 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: 37.1458472
  • Std. Longitude: -91.0961444
  • Datum: WGS84
  • Township: T29N
  • Range: R1W
  • Section: 30
  • PLSS Details: 1971 feet W and 233 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: Fine-loamy, semiactive, mesic Fragic Hapludults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 73
  • Correlated Information:
  • Soil Name - Coulstone
  • PSC - 15 to 65 cm.
  • Classificaton Date - 3/12/2020
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Coulstone
  • Taxonomic Class - Fine-loamy, siliceous, semiactive, mesic Typic Hapludults
  • Taxon Kind - series
  • PSC - 15 to 65 cm.
  • Classificaton Date - 7/20/1994
  • 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: pedisediment derived from chert and/or slope alluvium derived from mixed
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: concave
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/20/1994 (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

    CORNU

    CARYA

    QUAL

    Cornus

    Carya

    Quercus alba

    dogwood

    hybrid hickory

    white oak

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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

    fragic soil properties

    lithologic discontinuity

    0—15

    15—168

    94—

    104—168

    104—

    —15—

    —153—

    —1—

    —64—

    —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

    31

    —

    —

    266.1

    —

    50

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    —

    —

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    A—0 to 5 centimeters (0.0 to 2.0 inches); 80 percent brown (10YR 5/3) broken face and 20 percent brown (10YR 4/3) broken face gravelly silt loam; moderate fine granular structure; friable; 3.0 very fine roots throughout and 0.5 medium roots throughout and 3.0 fine roots throughout; 3.0 fine interstitial pores; 20 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; abrupt smooth boundary. Lab sample # MU001929; observed in pit, small
    EA—5 to 15 centimeters (2.0 to 5.9 inches); 75 percent brown (10YR 5/3) broken face and 25 percent brown (10YR 4/3) broken face silt loam; weak fine subangular blocky structure; friable; 3.0 very fine roots throughout and 0.5 medium roots throughout and 3.0 fine roots throughout; 0.5 fine tubular and 3.0 fine interstitial pores; 12 percent faint brown (10YR 4/3), moist, organic stains 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 subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU001930; observed in pit, small
    Bt1—15 to 25 centimeters (5.9 to 9.8 inches); brown (7.5YR 5/4) broken face silt loam; moderate fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 0.5 fine interstitial and 0.5 fine and 0.5 fine tubular pores; 12 percent faint brown (7.5YR 5/4), moist, clay films on all faces of peds and 12 percent distinct yellowish brown (10YR 5/4), moist, silt coats on all faces of peds; 10 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU001931; observed in pit, small
    Bt2—25 to 36 centimeters (9.8 to 14.2 inches); brown (7.5YR 5/4) broken face gravelly silt loam; moderate fine subangular blocky structure; friable; 3.0 very fine roots throughout and 0.5 medium roots throughout and 3.0 fine roots throughout; 3.0 fine interstitial and 3.0 fine tubular pores; 12 percent faint strong brown (7.5YR 4/6), moist, clay films on all faces of peds; 20 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU001932; observed in pit, small
    2Bt3—36 to 48 centimeters (14.2 to 18.9 inches); strong brown (7.5YR 4/6) broken face gravelly loam; weak fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 3.0 fine interstitial pores; 12 percent faint brown (7.5YR 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; 25 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU001933; observed in pit, small
    2Bt41—48 to 64 centimeters (18.9 to 25.2 inches); strong brown (7.5YR 5/6) broken face gravelly loam; moderate fine and medium subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 0.5 fine tubular and 3.0 fine interstitial pores; 12 percent distinct pale brown (10YR 6/3), moist, silt coats on all faces of peds and 35 percent faint strong brown (7.5YR 4/6), 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; 25 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU001934; observed in pit, small
    2Bt42—64 to 79 centimeters (25.2 to 31.1 inches); strong brown (7.5YR 5/6) broken face gravelly loam; moderate fine and medium subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 3.0 fine interstitial and 0.5 fine tubular pores; 12 percent distinct pale brown (10YR 6/3), moist, silt coats on all faces of peds and 35 percent faint strong brown (7.5YR 4/6), 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; 25 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU001935; observed in pit, small
    2Bt5—79 to 94 centimeters (31.1 to 37.0 inches); strong brown (7.5YR 4/6) broken face gravelly loam; moderate fine and medium subangular blocky structure; friable; 0.5 fine roots throughout; 0.5 fine tubular and 3.0 fine interstitial pores; 12 percent distinct yellowish red (5YR 4/6), moist, clay films on all faces of peds and 12 percent prominent pale brown (10YR 6/3), moist, silt coats on all faces of peds and 35 percent faint strong brown (7.5YR 4/6), 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 black (7.5YR 2.5/1), moist, iron depletions with clear boundaries in matrix; 30 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU001936; observed in pit, small
    2Bt6—94 to 104 centimeters (37.0 to 40.9 inches); strong brown (7.5YR 5/6) broken face very gravelly loam; weak fine subangular blocky structure; friable; 0.5 fine roots throughout; 3.0 fine interstitial pores; 35 percent distinct yellowish red (5YR 4/6), moist, clay films on all faces of peds and 35 percent prominent light brown (7.5YR 6/4), 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; 50 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU001937; observed in pit, small
    3Btx1—104 to 117 centimeters (40.9 to 46.1 inches); strong brown (7.5YR 5/6) broken face very gravelly loam; weak fine and medium subangular blocky structure; firm; brittle; 3.0 very fine roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 0.5 fine and 0.5 fine tubular and 0.5 fine interstitial pores; 35 percent distinct yellowish red (5YR 4/6), moist, clay films on all faces of peds and 35 percent prominent pink (7.5YR 7/3), 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; 50 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU001938; observed in pit, small
    3Btx2—117 to 137 centimeters (46.1 to 53.9 inches); strong brown (7.5YR 4/6) broken face very gravelly loam; weak medium subangular blocky, and weak fine prismatic structure; firm; brittle; 0.5 fine roots throughout; 3.0 fine interstitial pores; 35 percent distinct yellowish red (5YR 4/6), moist, clay films on all faces of peds and 35 percent prominent light brown (7.5YR 6/3), moist, silt coats on all faces of peds; 50 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU001939; observed in pit, small
    3Btx3—137 to 155 centimeters (53.9 to 61.0 inches); 80 percent strong brown (7.5YR 4/6) broken face and 20 percent yellowish red (5YR 4/6) broken face very gravelly loam; weak fine subangular blocky structure; firm; brittle; 0.5 fine roots throughout; 0.5 fine tubular and 3.0 fine interstitial pores; 35 percent distinct yellowish red (5YR 4/6), moist, clay films on all faces of peds and 35 percent prominent light brown (7.5YR 6/3), moist, silt coats on all faces of peds; 50 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU001940; observed in pit, small
    4Btx4—155 to 168 centimeters (61.0 to 66.1 inches); strong brown (7.5YR 4/6) broken face extremely gravelly sandy loam; weak fine and medium subangular blocky structure; firm; brittle; 0.5 fine roots throughout; 0.5 fine tubular and 3.0 fine interstitial pores; 35 percent distinct yellowish red (5YR 4/6), moist, clay films on all faces of peds and 35 percent prominent light brown (7.5YR 6/3), moist, silt coats on all faces of peds; 2 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 65 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments. Lab sample # MU001941; observed in pit, small