IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1996MO179023M
  • User Pedon ID: 1996MO179023M
  • User Site Association ID: 8642
  • Transect:
  • User Transect ID - reynolds-82F1
  • Transect Stop Number - 3
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9617923
  • NCSS Pedon Lab Data NASIS Record ID - 26872
  • Print Date: 4/26/2025

    • 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: 37.5670917
  • Std. Longitude: -91.2299194
  • Datum: WGS84
  • Map Unit: 82F—Clarksville-Scholten complex, 15 to 45 percent slopes, very stony73140—Clarksville-Scholten complex, 15 to 45 percent slopes, very stony
  • State: Missouri
  • County: MO179—Reynolds
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO179—Reynolds County, Missouri
  • 7.5 Minute USGS Quad: 37091-E2—Greeley, Missouri

    • PEDON

  • Describers Name: LT
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Clarksville
  • PSC - 10 to 60 cm.
  • Classificaton Date - 4/1/2011
  • 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 - 10 to 60 cm.
  • Classificaton Date - 6/5/1996
  • 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: 35 percent of Percent clay in the control section and 55 percent of Percent clay in the control section and 40 Percent rock fragments in the control section (vol) and 25 Percent rock fragments in the control section (vol) and 30 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: residuum and/or slope alluvium derived from dolomite
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Bedrock: dolomite (dolostone)
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/5/1996 (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—10

    10—102

    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

    24

    —

    —

    —

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 3 centimeters (0.0 to 1.2 inches); dark grayish brown (10YR 4/2) extremely gravelly silt loam; weak fine granular structure; friable; 7.0 fine and medium roots; 7.0 fine and medium interstitial and tubular pores; 65 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; extremely acid, pH 4.0, hellige-truog. Lab sample # MU012558
    E—3 to 10 centimeters (1.2 to 3.9 inches); pale brown (10YR 6/3) very gravelly silt loam; weak fine granular structure; friable; 7.0 fine and medium roots and 3.0 coarse roots; 7.0 fine interstitial and tubular pores; 15 percent distinct very dark grayish brown (10YR 3/2) organic stains on faces of peds; 50 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU012559
    Bt1—10 to 25 centimeters (3.9 to 9.8 inches); strong brown (7.5YR 5/6) very gravelly silt loam; weak fine subangular blocky structure; friable; 1.0 fine to coarse roots; 7.0 fine to coarse interstitial and tubular pores; 75 percent faint light brown (7.5YR 6/4) silt coats on faces of peds and 75 percent distinct strong brown (7.5YR 5/6) clay films on faces of peds; 50 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU012560
    Bt2—25 to 53 centimeters (9.8 to 20.9 inches); strong brown (7.5YR 5/6) very gravelly silt loam; weak fine subangular blocky structure; friable; 1.0 fine and medium roots; 7.0 fine and medium tubular and 3.0 coarse tubular pores; 15 percent distinct red (2.5YR 4/6) clay films on faces of peds and 15 percent distinct brown (7.5YR 4/4) clay films on faces of peds and 15 percent prominent pink (7.5YR 7/3) silt coats on faces of peds; 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU012561
    Bt3—53 to 79 centimeters (20.9 to 31.1 inches); brown (7.5YR 5/4) very gravelly silty clay loam; weak fine subangular blocky structure; friable; 1.0 fine roots; 7.0 fine to coarse tubular pores; 15 percent prominent red (2.5YR 4/6) clay films on faces of peds and 15 percent distinct pale brown (10YR 6/3) silt coats on faces of peds and 35 percent distinct brown (7.5YR 4/4) clay films on faces of peds; 35 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU012562
    2Bt4—79 to 104 centimeters (31.1 to 40.9 inches); 50 percent red (2.5YR 4/6) and 50 percent strong brown (7.5YR 5/6) very gravelly clay; weak fine subangular blocky structure; firm; 1.0 fine roots; 3.0 fine to coarse tubular pores; 35 percent prominent pink (7.5YR 7/4) silt coats on faces of peds and 35 percent distinct brown (7.5YR 5/4) clay films on faces of peds and 35 percent faint dark reddish brown (2.5YR 3/4) clay films on faces of peds; 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 4.8, hellige-truog. Lab sample # MU012563
    2Bt5—104 to 132 centimeters (40.9 to 52.0 inches); red (2.5YR 4/6) very gravelly clay; weak fine subangular blocky structure; firm; 1.0 fine roots; 3.0 fine tubular pores; 15 percent prominent very dark gray (10YR 3/1) manganese or iron-manganese stains on faces of peds and 15 percent distinct brown (10YR 5/3) clay films on faces of peds and 35 percent distinct strong brown (7.5YR 5/6) clay films on faces of peds and 35 percent faint red (2.5YR 4/6) clay films on faces of peds; 5 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 31 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU012564
    2Bt6—132 to 173 centimeters (52.0 to 68.1 inches); 50 percent red (2.5YR 4/6) and 50 percent strong brown (7.5YR 5/6) gravelly clay; weak fine subangular blocky structure; firm; 1.0 fine roots; 3.0 fine tubular pores; 15 percent prominent very dark gray (10YR 3/1) manganese or iron-manganese stains on faces of peds and 15 percent distinct brown (7.5YR 4/3) clay films on faces of peds and 35 percent faint dark red (2.5YR 3/6) clay films on faces of peds and 35 percent faint brown (7.5YR 5/4) clay films on faces of peds; 25 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU012565