IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1995MO035010M
  • User Pedon ID: 1995MO035010M
  • Transect:
  • Transect Stop Number - 1
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9560110
  • NCSS Pedon Lab Data NASIS Record ID - 26867
  • Print Date: 5/31/2024
  • 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: 37.0111806
  • Std. Longitude: -91.1989528
  • Datum: WGS84
  • Map Unit: 73395—Clarksville very gravelly silt loam, 3 to 8 percent slopes
  • State: Missouri
  • County: MO035—Carter
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO035—Carter County, Missouri
  • PEDON

  • Describers Name: RLT
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • 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 - 1/23/2020
  • 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 - 23 to 73 cm.
  • Classificaton Date - 10/20/1995
  • 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: 36 Cation exchange capacity to clay ratio


  • SITE

  • Parent Material: slope alluvium over residuum
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: somewhat excessively
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/20/1995 (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

    strongly contrasting particle size class

    0—23

    23—36

    79—

    —-

    —-

    —-

    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

    29

    268.2

    113

    A—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) very gravelly silt loam; weak fine granular structure; 3.0 medium roots and 7.0 fine roots and 0.9 coarse roots; 10.0 interstitial and tubular pores; 40 percent by volume nonflat indurated 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU012520
    E—10 to 23 centimeters (3.9 to 9.1 inches); brown (10YR 5/3) gravelly silt loam; weak fine subangular blocky structure; 3.0 medium roots and 0.9 fine roots and 0.9 coarse roots; 0.9 fine tubular pores; 35 percent dark grayish brown (10YR 4/2) organic stains; 5 percent by volume nonflat indurated 75-162-250 millimeter limestone, cherty fragments and 20 percent by volume nonflat indurated 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU012521
    Bt1—23 to 36 centimeters (9.1 to 14.2 inches); yellowish brown (10YR 5/4) gravelly silt loam; weak fine subangular blocky structure; 0.9 fine to coarse roots; 3.0 fine and medium tubular pores; 15 percent faint brown (10YR 4/3) clay films on faces of peds; 3 percent by volume nonflat subangular indurated 75-162-250 millimeter sandstone, unspecified fragments and 20 percent by volume nonflat indurated 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU012522
    Bt2—36 to 58 centimeters (14.2 to 22.8 inches); strong brown (7.5YR 5/6) very gravelly silt loam; moderate fine subangular blocky structure; 0.9 fine and medium roots and 0.1 coarse roots; 7.0 fine and medium tubular pores; 35 percent yellowish red (5YR 5/6) clay films and 35 percent pale brown (10YR 6/3) silt coats; 3 percent by volume nonflat indurated 2-39-75 millimeter limestone, cherty fragments and 5 percent by volume nonflat subangular indurated 75-162-250 millimeter sandstone, unspecified fragments and 35 percent by volume nonflat indurated 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU012523
    Bt3—58 to 79 centimeters (22.8 to 31.1 inches); red (2.5YR 4/6) very cobbly silt loam; moderate fine subangular blocky structure; 0.9 fine and medium roots; 7.0 fine and medium tubular pores; 35 percent distinct yellowish red (5YR 5/6) clay films on faces of peds and 35 percent distinct pale brown (10YR 6/3) silt coats on faces of peds and 35 percent distinct red (2.5YR 4/6) clay films on faces of peds; 15 percent by volume nonflat subangular indurated 75-162-250 millimeter sandstone, unspecified fragments and 40 percent by volume nonflat indurated 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU012524
    2Bt4—79 to 104 centimeters (31.1 to 40.9 inches); dark yellowish brown (10YR 4/6) extremely cobbly clay; moderate medium subangular blocky parts to weak fine angular blocky structure; 0.9 fine and medium roots; 0.9 fine and medium tubular pores; 35 percent distinct brown (7.5YR 4/4) clay films on faces of peds and 35 percent distinct dark yellowish brown (10YR 3/6) silt coats on faces of peds and 35 percent distinct dark yellowish brown (10YR 4/6) clay films on faces of peds and 35 percent distinct pale brown (10YR 6/3) silt coats on faces of peds; 10 percent by volume subangular sandstone, unspecified fragments and 20 percent by volume nonflat subangular indurated limestone, cherty fragments and 30 percent by volume nonflat angular indurated limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU012525
    2Bt5—104 to 132 centimeters (40.9 to 52.0 inches); red (2.5YR 4/6) very stony clay; moderate medium angular blocky parts to moderate fine angular blocky structure; 0.1 very fine and fine roots; 0.9 fine tubular pores; 35 percent distinct strong brown (7.5YR 5/6) clay films on faces of peds and 35 percent distinct reddish brown (2.5YR 4/4) clay films on faces of peds and 35 percent distinct yellowish red (5YR 4/6) clay films on faces of peds; 20 percent by volume nonflat indurated 2-39-75 millimeter limestone, cherty fragments and 20 percent by volume nonflat indurated 75-162-250 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog. Lab sample # MU012526