IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1995MO203038M
  • User Pedon ID: 1995MO203038M
  • Vegetation Plot ID: 1995MO203038M
  • User Site Association ID: 8628
  • Transect:
  • User Transect ID - shannon-75F1
  • Transect Stop Number - 1
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9561338
  • NCSS Pedon Lab Data NASIS Record ID - 27627
  • Print Date: 5/15/2024

    • 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: 37.1571778
  • Std. Longitude: -91.0515833
  • Datum: WGS84
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B1—Exchange, Missouri

    • PEDON

  • Describers Name: DMM, SV, RLT, JW
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Clarksville
  • PSC - 43 to 93 cm.
  • Classificaton Date - 2/25/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Coulstone
  • Taxonomic Class - Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 43 to 93 cm.
  • Classificaton Date - 6/19/1995
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • Field Measured Properties: 27 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: slope alluvium
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: lower third
  • Slope Shape Across: concave
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/19/1995 (actual site observation date)
  • Air Photo ID: 16
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    CARYA

    CORNU

    Carya

    Cornus

    hybrid hickory

    dogwood

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

    ochric epipedon

    argillic horizon

    2—27

    27—147

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    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

    26

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    —

    192

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    260

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    Oi—0 to 2 centimeters (0.0 to 0.8 inches); slightly decomposed plant material; fragments.
    A—2 to 20 centimeters (0.8 to 7.9 inches); dark grayish brown (10YR 4/2) very gravelly silt loam; moderate fine granular structure; very friable; 0.9 medium roots and 3.0 fine roots and 0.9 coarse roots; 3.0 fine interstitial and tubular pores; 45 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU017739
    AB—20 to 27 centimeters (7.9 to 10.6 inches); yellowish brown (10YR 5/4) gravelly silt loam; weak fine subangular blocky structure; friable; 0.9 fine and medium roots and 3.0 coarse roots; 7.0 fine and medium tubular pores; 35 percent distinct dark grayish brown (10YR 4/2), moist, organic stains throughout; 25 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU017740
    Bt1—27 to 43 centimeters (10.6 to 16.9 inches); yellowish brown (10YR 5/4) gravelly silt loam; moderate fine subangular blocky structure; friable; 0.9 fine and medium roots and 0.9 coarse roots; 7.0 fine interstitial and tubular pores; 11 percent distinct pale brown (10YR 6/3), moist, silt coats throughout and 15 percent distinct brown (10YR 4/3), moist, clay films on faces of peds; 25 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU017741
    Bt2—43 to 61 centimeters (16.9 to 24.0 inches); yellowish brown (10YR 5/4) very gravelly silt loam; moderate fine subangular blocky structure; friable; 0.9 fine and medium roots; 7.0 fine and medium tubular pores; 11 percent distinct brown (10YR 5/3), moist, silt coats throughout and 35 percent distinct dark yellowish brown (10YR 4/4), moist, clay films throughout; 5 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 45 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU017742
    Bt3—61 to 73 centimeters (24.0 to 28.7 inches); yellowish brown (10YR 5/4) extremely gravelly loam; moderate fine subangular blocky structure; firm; 0.9 fine roots; 3.0 fine interstitial and tubular pores; 11 percent distinct pale brown (10YR 6/3), moist, silt coats throughout and 33 percent distinct brown (10YR 4/3), moist, clay films throughout; 15 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 45 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.5, hellige-truog; gradual wavy boundary. Lab sample # MU017743
    Bt4—73 to 83 centimeters (28.7 to 32.7 inches); brown (10YR 5/3) extremely gravelly silt loam; moderate fine and medium subangular blocky structure; very firm; 0.9 very fine and fine roots; 0.9 very fine and fine tubular pores; 11 percent faint brown (7.5YR 4/4), moist, clay films on faces of peds and 11 percent distinct pale brown (10YR 6/3), moist, silt coats throughout and 34 percent distinct yellowish red (5YR 4/6), moist, clay films throughout; 10 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 55 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU017744
    Bt5—83 to 106 centimeters (32.7 to 41.7 inches); 50 percent yellowish red (5YR 4/6) and 50 percent brown (7.5YR 5/4) gravelly loam; moderate fine and medium subangular blocky structure; very firm; 3.0 fine tubular pores; 15 percent distinct black (N 2/0), moist, iron stains throughout and 33 percent distinct reddish brown (5YR 4/4), moist, clay films on faces of peds and 34 percent distinct pale brown (10YR 6/3), moist, silt coats throughout; 30 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; gradual smooth boundary. Lab sample # MU017745
    Bt6—106 to 147 centimeters (41.7 to 57.9 inches); 70 percent yellowish red (5YR 4/6) and 30 percent brown (7.5YR 5/4) very gravelly loam; weak fine subangular blocky structure; very firm; 7.0 fine tubular pores; 11 percent distinct black (N 2/0), moist, iron stains throughout and 34 percent distinct reddish brown (5YR 4/4), moist, clay films on faces of peds and 34 percent distinct brown (10YR 5/3), moist, silt coats throughout; 5 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.4, hellige-truog. Lab sample # MU017746