IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulstone
  • OSD
  • Series Extent
  • User Site ID: 1994MO203095M
  • User Pedon ID: 1994MO203095M
  • Vegetation Plot ID: 1994MO203095
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9461395
  • NCSS Pedon Lab Data NASIS Record ID - 25405
  • 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: 37.1482278
  • Std. Longitude: -91.0889806
  • Datum: WGS84
  • Township: T29N
  • Range: R1W
  • Section: 29
  • PLSS Details: 99 feet E and 1142 feet N of the SW 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, Leon Thompson, 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 #: 95
  • Correlated Information:
  • Soil Name - Coulstone
  • PSC - 28 to 78 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 - 28 to 78 cm.
  • Classificaton Date - 8/2/1994
  • 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: nose slope
  • Hill Slope Profile: backslope
  • Slope Position: middle 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: 8/2/1994 (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

    QUVE

    Quercus coccinea

    Quercus alba

    Quercus velutina

    scarlet oak

    white oak

    black 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—28

    28—160

    —28—

    —132—
    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

    45

    —

    —

    260.9

    —

    245

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    A—0 to 10 centimeters (0.0 to 3.9 inches); 50 percent brown (10YR 5/3) broken face and 50 percent pale brown (10YR 6/3) broken face very gravelly silt loam; weak very fine subangular blocky, and weak very fine granular structure; friable; 0.5 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; 3.0 medium tubular and 3.0 fine tubular and 0.5 coarse tubular pores; 55 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU002162; observed in pit, small
    E—10 to 28 centimeters (3.9 to 11.0 inches); light yellowish brown (10YR 6/4) broken face very gravelly silt loam; weak very fine and fine subangular blocky structure; friable; 0.5 medium roots throughout and 3.0 fine roots throughout; 3.0 medium tubular and 0.5 fine interstitial and 10.0 fine tubular pores; 25 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; gradual wavy boundary. Lab sample # MU002163; observed in pit, small
    2Bt1—28 to 48 centimeters (11.0 to 18.9 inches); yellowish brown (10YR 5/6) broken face extremely gravelly loam; weak very fine and fine subangular blocky structure; friable; 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 3.0 medium tubular and 0.5 fine interstitial and 10.0 fine tubular pores; 12 percent distinct yellowish red (5YR 5/6), moist, clay films on all faces of peds and 35 percent distinct pale brown (10YR 6/3), moist, silt coats on all faces of peds; 20 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter chert fragments and 40 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU002164; observed in pit, small
    2Bt21—48 to 58 centimeters (18.9 to 22.8 inches); strong brown (7.5YR 5/6) broken face very gravelly loam; moderate fine subangular blocky structure; firm; 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 medium tubular and 0.5 fine tubular pores; 70 percent prominent pale brown (10YR 6/3), moist, silt coats on all faces of peds and 70 percent prominent red (2.5YR 4/6), moist, clay films on all faces of peds; 25 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; gradual wavy boundary. Lab sample # MU002165; observed in pit, small
    2Bt22—58 to 69 centimeters (22.8 to 27.2 inches); strong brown (7.5YR 5/6) broken face very gravelly clay loam; moderate fine subangular blocky structure; firm; 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 medium tubular and 0.5 fine tubular pores; 70 percent prominent pale brown (10YR 6/3), moist, silt coats on all faces of peds and 70 percent prominent red (2.5YR 4/6), moist, clay films on all faces of peds; 25 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; gradual wavy boundary. Lab sample # MU002166; observed in pit, small
    2Bt3—69 to 84 centimeters (27.2 to 33.1 inches); strong brown (7.5YR 5/6) broken face gravelly clay loam; moderate very fine and fine subangular blocky, and moderate medium subangular blocky structure; firm; 0.5 fine roots throughout; 3.0 medium tubular and 0.5 fine interstitial and 3.0 fine tubular pores; 12 percent prominent pale brown (10YR 6/3), moist, silt coats on all faces of peds and 70 percent prominent red (2.5YR 4/6), moist, clay films on all faces of peds; 25 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU002167; observed in pit, small
    2Bt4—84 to 99 centimeters (33.1 to 39.0 inches); strong brown (7.5YR 5/6) broken face gravelly clay loam; moderate fine and medium subangular blocky structure; firm; 0.5 fine roots throughout; 3.0 medium tubular and 0.5 fine interstitial and 3.0 fine tubular pores; 12 percent prominent pale brown (10YR 6/3), moist, silt coats on all faces of peds and 70 percent prominent red (2.5YR 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 # MU002168; observed in pit, small
    2Bt5—99 to 112 centimeters (39.0 to 44.1 inches); yellowish red (5YR 4/6) broken face gravelly loam; weak fine angular blocky, and weak medium platy structure; firm; 10.0 fine tubular and 0.5 coarse tubular pores; 70 percent prominent red (2.5YR 4/6), moist, clay films on all faces of peds; 25 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU002169; observed in pit, small
    2Bt6—112 to 130 centimeters (44.1 to 51.2 inches); red (2.5YR 4/6) broken face gravelly loam; weak medium platy, and weak coarse prismatic structure; very firm; 3.0 medium tubular and 0.5 fine interstitial and 3.0 fine tubular pores; 70 percent prominent red (2.5YR 4/6), moist, clay films on all faces of peds; 30 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU002170; observed in pit, small
    3Bt71—130 to 145 centimeters (51.2 to 57.1 inches); red (2.5YR 4/6) broken face loam; weak medium platy, and weak coarse prismatic structure; very firm; 3.0 medium tubular and 0.5 fine interstitial and 3.0 fine tubular pores; 70 percent prominent red (2.5YR 4/6), moist, clay films on all faces of peds; 10 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU002171; observed in pit, small
    3Bt72—145 to 160 centimeters (57.1 to 63.0 inches); red (2.5YR 4/6) broken face loam; weak medium platy, and weak coarse prismatic structure; very firm; 3.0 medium tubular and 0.5 fine interstitial and 3.0 fine tubular pores; 70 percent prominent red (2.5YR 4/6), moist, clay films on all faces of peds; 10 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments. Lab sample # MU002172; observed in pit, small