IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1999MO203028M
  • User Pedon ID: 1999MO203028M
  • Transect:
  • Transect Stop Number - 5
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9961328
  • NCSS Pedon Lab Data NASIS Record ID - 31535
  • Print Date: 12/17/2024

    • LOCATION

  • Map Unit: 99001—Water
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B4—Alley Spring, Missouri

    • PEDON

  • Describers Name: JK, DMM
  • Current Taxonomic Class: Loamy-skeletal, siliceous, active, 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 - 23 to 73 cm.
  • Classificaton Date - 3/8/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Clarksville
  • Taxonomic Class - Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 23 to 73 cm.
  • Classificaton Date - 2/24/1999
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess over slope alluvium derived from cherty limestone
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/24/1999 (actual site observation date)
  • 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

    0—10

    23—191

    —-

    —-
    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

    3

    —

    —

    323

    —

    80

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) silt loam; weak fine subangular blocky parts to moderate very fine subangular blocky structure; very friable; 7.0 very fine and fine roots and 0.9 medium roots; 0.9 very fine and fine tubular pores; 5 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU063842
    AB—10 to 23 centimeters (3.9 to 9.1 inches); 70 percent dark grayish brown (10YR 4/2) and 30 percent brown (10YR 5/3) silt loam; moderate very fine and fine subangular blocky structure; friable; 7.0 very fine to medium roots and 3.0 very coarse roots and 0.9 coarse roots; 3.0 very fine and fine vesicular and 3.0 fine tubular pores; 5 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU063843
    2Bt1—23 to 43 centimeters (9.1 to 16.9 inches); very pale brown (10YR 7/4) gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots and 0.1 coarse roots; 3.0 very fine vesicular and 0.9 fine tubular pores; 15 percent faint 10YR 2/ (10YR 2/), moist, clay films on faces of peds and 15 percent prominent dark grayish brown (10YR 4/2), moist, organic stains on faces of peds; 2 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 5.0, hellige-truog; clear smooth boundary. Lab sample # MU063844
    2Bt2—43 to 61 centimeters (16.9 to 24.0 inches); 70 percent light brown (7.5YR 6/3) and 25 percent red (7.5R 5/8) and 5 percent yellowish red (5YR 5/6) very gravelly silt loam; weak fine subangular blocky structure; friable; 0.9 very fine to medium roots and 0.1 coarse roots; 0.9 very fine vesicular pores; 15 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds and 15 percent prominent yellowish red (5YR 5/6), moist, clay films on faces of peds; 15 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; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU063845
    2Bt3—61 to 79 centimeters (24.0 to 31.1 inches); 60 percent yellowish red (5YR 5/6) and 40 percent light brown (7.5YR 6/3) very gravelly silty clay; moderate fine subangular blocky structure; firm; 0.9 fine and medium roots; 3.0 very fine vesicular and 0.9 fine tubular pores; 15 percent prominent pale brown (10YR 6/3), moist, silt coats on faces of peds and 35 percent faint yellowish red (5YR 5/6), moist, clay films on faces of peds; 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; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU063846
    2Bt4—79 to 119 centimeters (31.1 to 46.9 inches); 60 percent brown (7.5YR 5/4) and 30 percent pinkish gray (7.5YR 6/2) and 10 percent red (2.5YR 4/8) very cobbly silty clay loam; moderate fine angular blocky structure; firm; 0.9 fine and medium roots; 3.0 fine vesicular pores; 15 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds and 15 percent faint brown (7.5YR 5/4), moist, clay films on faces of peds and 75 percent distinct yellowish red (5YR 5/6), moist, clay films on faces of peds; 20 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 20 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU063847
    3Bt5—119 to 160 centimeters (46.9 to 63.0 inches); 40 percent yellowish red (5YR 5/6) and 40 percent red (10R 4/8) and 10 percent pinkish gray (7.5YR 6/2) and 10 percent yellowish brown (10YR 5/6) extremely gravelly clay; weak fine subangular blocky structure; firm; 0.9 very fine and fine roots; 0.9 very fine vesicular and 3.0 fine tubular pores; 15 percent prominent pale brown (10YR 6/3), moist, silt coats on faces of peds and 75 percent faint yellowish red (5YR 5/6), moist, clay films on faces of peds; 5 percent by volume 75-162-250 millimeter limestone, argillaceous fragments and 55 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # MU063848
    3Bt6—160 to 191 centimeters (63.0 to 75.2 inches); 60 percent yellowish red (5YR 5/6) and 30 percent red (10R 4/8) and 10 percent brown (7.5YR 5/4) extremely gravelly clay; weak very fine angular blocky structure; firm; 0.9 very fine and fine roots; 0.9 very fine vesicular pores; 15 percent prominent pale brown (10YR 6/3), moist, silt coats on faces of peds and 75 percent faint yellowish red (5YR 5/6), moist, clay films on faces of peds; 60 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments. Lab sample # MU063849