IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1995MO221007M
  • User Pedon ID: 1995MO221007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9522107
  • Print Date: 11/24/2024

    • 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: 37.9936111
  • Std. Longitude: -91.0536111
  • Datum: WGS84
  • Township: T38N
  • Range: R1W
  • Section: 20
  • PLSS Details: 1400 feet W and 1300 feet N of the SE corner
  • Location Description: 1400 ft. west and 1300 ft. north of the SE corner of sec. 20, T38N, R1W
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: D. Skaer, G. Lindgren
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Clarksville
  • Taxonomic Class - Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 28 to 78 cm.
  • Classificaton Date - 12/13/1995
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium derived from cherty limestone
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: somewhat excessively
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/13/1995 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    28

    —

    —

    317

    —

    174

    —

    —

    —

    —

    —

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    Oi—0 to 5 centimeters (0.0 to 2.0 inches); slightly decomposed plant material; fragments. Partially decomposed roots, leaves, and twigs.
    A—5 to 13 centimeters (2.0 to 5.1 inches); dark brown (10YR 3/3), pale brown (10YR 6/3), dry; very gravelly silt loam; weak fine subangular blocky parts to weak fine granular structure; very friable; 6.0 very fine and fine roots and 0.5 medium and coarse roots; 6.0 very fine and fine interstitial and tubular pores; 30 percent prominent organic stains on faces of peds; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 35 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # MU012488
    E—13 to 28 centimeters (5.1 to 11.0 inches); yellowish brown (10YR 5/4) very gravelly silt loam; weak fine subangular blocky, and moderate very fine subangular blocky structure; very friable; 2.0 very fine and fine roots and 2.0 medium and coarse roots; 6.0 very fine and fine interstitial and tubular pores; 30 percent prominent skeletans on faces of peds; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 40 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU012489
    Bt1—28 to 58 centimeters (11.0 to 22.8 inches); yellowish brown (10YR 5/6) very gravelly silt loam; moderate very fine and fine subangular blocky structure; very friable; 2.0 very fine and fine roots and 0.5 medium and coarse roots; 3.0 very fine and fine interstitial and tubular pores; 35 percent distinct clay films on faces of peds and 60 percent prominent skeletans on faces of peds; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 60 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; gradual wavy boundary. Lab sample # MU012490
    Bt2—58 to 107 centimeters (22.8 to 42.1 inches); strong brown (7.5YR 5/6) very stony silt loam; moderate medium angular blocky structure; friable; 0.5 very fine and fine roots and 0.5 medium and coarse roots; 3.0 very fine and fine interstitial and tubular pores; 30 percent distinct clay films on faces of peds and 30 percent distinct skeletans on faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 15 percent by volume 2-39-75 millimeter limestone, cherty fragments and 20 percent by volume 250-425-600 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU012491
    Bt3—107 to 129 centimeters (42.1 to 50.8 inches); yellowish red (5YR 5/6) and strong brown (7.5YR 5/8) gravelly silty clay; moderate very fine subangular blocky structure; firm; 0.5 very fine and fine roots; 3.0 very fine and fine interstitial and tubular pores; 10 percent distinct skeletans on faces of peds and 30 percent distinct clay films on faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 25 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; gradual smooth boundary. Lab sample # MU012492
    2Bt4—129 to 168 centimeters (50.8 to 66.1 inches); yellowish red (5YR 5/8) and yellowish red (5YR 4/6) gravelly silty clay loam; moderate medium subangular blocky parts to moderate very fine subangular blocky structure; firm; 0.5 very fine and fine roots; 3.0 very fine and fine interstitial and tubular pores; 10 percent distinct skeletans on faces of peds and 30 percent distinct clay films on faces of peds; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 20 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # MU012493
    2Bt5—168 to 208 centimeters (66.1 to 81.9 inches); red (2.5YR 4/8) cobbly clay; weak coarse prismatic structure; very firm; 0.5 very fine and fine roots; 0.5 very fine and fine interstitial and tubular pores; 60 percent distinct clay films on vertical faces of peds; 15 percent by volume 2-39-75 millimeter limestone, cherty fragments and 20 percent by volume 75-162-250 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU012494