IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1995MO203086M
  • User Pedon ID: 1995MO203086M
  • Transect:
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9561386
  • NCSS Pedon Lab Data NASIS Record ID - 31750
  • Print Date: 2/16/2025

    • 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: 37.1502167
  • Std. Longitude: -91.0777722
  • Datum: WGS84
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO613—Shannon County, Missouri, North & West PartsMO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B1—Exchange, Missouri

    • PEDON

  • Describers Name: DMM, MS, RLT
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • 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 - 3/7/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Clarksville
  • Taxonomic Class - Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 43 to 93 cm.
  • Classificaton Date - 9/27/1995
  • 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: 28 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: residuum weathered from dolomite and/or slope alluvium derived from dolomite
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: head slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments: 0.37 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/27/1995 (actual site observation date)
  • Air Photo ID: 16
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    strongly contrasting particle size class

    0—15

    43—152

    97—

    —-

    —-

    —-
    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

    —

    —

    259

    —

    290

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) very gravelly silt loam; moderate fine granular, and moderate fine subangular blocky structure; very friable; 7.0 very fine and fine roots and 3.0 very coarse roots and 3.0 medium and coarse roots; 7.0 fine interstitial and tubular pores; 10 percent by volume nonflat subangular indurated 250-425-600 millimeter chert fragments and 20 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 25 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; abrupt smooth boundary. Lab sample # MU054670
    E—15 to 28 centimeters (5.9 to 11.0 inches); pale brown (10YR 6/3) gravelly silt loam; weak fine subangular blocky structure; very friable; 7.0 very fine and fine roots and 0.9 very coarse roots and 3.0 medium and coarse roots; 7.0 fine tubular pores; 35 percent distinct grayish brown (10YR 5/2), moist, organic stains on faces of peds and in pores; 30 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU054671
    BE—28 to 43 centimeters (11.0 to 16.9 inches); 50 percent brownish yellow (10YR 6/6) and 50 percent light yellowish brown (10YR 6/4) very gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 very fine and fine roots and 0.9 medium and coarse roots; 7.0 fine and medium tubular and 3.0 fine vesicular pores; 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.7, hellige-truog; clear smooth boundary. Lab sample # MU054672
    Bt1—43 to 66 centimeters (16.9 to 26.0 inches); strong brown (7.5YR 5/6) very gravelly silt loam; moderate fine subangular blocky structure; friable; 0.1 very coarse roots and 0.9 fine and medium roots; 7.0 fine and medium vesicular and 7.0 fine and medium tubular pores; 15 percent distinct yellowish red (5YR 5/8), moist, clay films on faces of peds and 75 percent prominent pale brown (10YR 6/3), moist, silt coats throughout; 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.8, hellige-truog; clear wavy boundary. Lab sample # MU054673
    Bt2—66 to 81 centimeters (26.0 to 31.9 inches); strong brown (7.5YR 5/6) very gravelly silt loam; moderate fine and medium subangular blocky structure; firm; 0.9 medium roots and 3.0 fine roots; 0.9 fine vesicular and 3.0 fine tubular pores; 35 percent distinct yellowish red (5YR 5/6), moist, clay films on faces of peds and 75 percent prominent pale brown (10YR 6/3), moist, silt coats throughout; 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.6, hellige-truog; clear wavy boundary. Lab sample # MU054674
    Bt3—81 to 97 centimeters (31.9 to 38.2 inches); red (2.5YR 4/6) very gravelly silty clay loam; moderate very fine and fine angular blocky structure; very firm; 0.9 fine roots; 3.0 fine tubular pores; 15 percent prominent very pale brown (10YR 7/3), moist, silt coats throughout and 35 percent distinct red (2.5YR 4/8), moist, clay films on all faces of peds and 75 percent prominent pale brown (10YR 6/3), moist, silt coats throughout; 5 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 35 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog; clear wavy boundary. Lab sample # MU054675
    2Bt4—97 to 122 centimeters (38.2 to 48.0 inches); 70 percent red (2.5YR 4/8) and 30 percent brownish yellow (10YR 6/6) very gravelly clay; moderate very fine and fine angular blocky structure; very firm; 0.9 fine roots; 35 percent distinct red (2.5YR 4/6), moist, clay films on all faces of peds and 35 percent prominent very pale brown (10YR 7/3), moist, silt coats throughout; 5 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 35 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU054676
    2Bt5—122 to 152 centimeters (48.0 to 59.8 inches); red (2.5YR 4/6) very gravelly clay; strong very fine angular blocky structure; very firm; 0.9 fine roots; 35 percent prominent brownish yellow (10YR 6/6), moist, clay films on all faces of peds and 75 percent faint red (2.5YR 4/6), moist, clay films on all faces of peds; 10 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 30 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU054677