IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1997MO091056M
  • User Pedon ID: 1997MO091056
  • User Site Association ID: 7986
  • Transect:
  • User Transect ID - 43C-1
  • Transect Stop Number - 5
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9709115
  • Print Date: 3/31/2025

    • 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: 36.8942472
  • Std. Longitude: -92.0720222
  • Datum: WGS84
  • Map Unit: 73236—Scholten-Poynor complex, 3 to 8 percent slopes
  • State: Missouri
  • County: MO091—Howell
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO091—Howell County, Missouri

    • PEDON

  • Describers Name: SVV, RDR, SFP, JDP
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Clarksville
  • PSC - 13 to 63 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Clarksville
  • Taxonomic Class - Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 13 to 63 cm.
  • Classificaton Date - 1/7/1997
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium over residuum
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/7/1997 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    3—13

    13—203

    —-

    —-
    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

    4

    —

    —

    323

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A—3 to 13 centimeters (1.2 to 5.1 inches); dark grayish brown (10YR 4/2) rubbed very gravelly silt loam; moderate fine granular structure; very friable; 3.0 fine to coarse roots throughout; 7.0 very fine to coarse interstitial pores; 50 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU012095
    Bt1—13 to 25 centimeters (5.1 to 9.8 inches); brown (10YR 5/3) exterior gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots throughout and 0.9 coarse roots throughout; 7.0 fine to coarse interstitial and tubular pores; 15 percent prominent dark grayish brown (10YR 4/2), moist, organic stains in root channels and/or pores and 15 percent faint brown (10YR 5/3), moist, clay films on rock fragments; 35 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU012096. discontinuous - phpvsfiid 141931; discontinuous - phpvsfiid 144413; discontinuous - phpvsfiid 141931; discontinuous - phpvsfiid 144413
    Bt2—25 to 51 centimeters (9.8 to 20.1 inches); yellowish brown (10YR 5/4) exterior very gravelly silt loam; weak fine subangular blocky structure; friable; 0.9 fine to coarse roots throughout; 7.0 very fine to medium interstitial and tubular pores; 15 percent faint strong brown (7.5YR 4/6), moist, clay films on rock fragments and 75 percent distinct light gray (10YR 7/2), moist, skeletans on faces of peds; 60 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU012097. continuous - phpvsfiid 144414; discontinuous - phpvsfiid 144415; continuous - phpvsfiid 144414; discontinuous - phpvsfiid 144415
    Bt3—51 to 71 centimeters (20.1 to 28.0 inches); yellowish brown (10YR 5/4) exterior extremely gravelly silt loam; weak fine subangular blocky structure; firm; 0.9 fine to coarse roots throughout; 3.0 fine and medium interstitial and tubular pores; 15 percent distinct light gray (10YR 7/2), moist, skeletans on faces of peds and 35 percent distinct strong brown (7.5YR 4/6), moist, clay films on faces of peds; 10 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 60 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU012098. continuous - phpvsfiid 144417; discontinuous - phpvsfiid 144416; continuous - phpvsfiid 144417; discontinuous - phpvsfiid 144416
    Bt4—71 to 122 centimeters (28.0 to 48.0 inches); yellowish red (5YR 4/6) exterior extremely gravelly silty clay loam; moderate fine subangular blocky structure; very firm; 0.1 very fine to medium roots throughout; 3.0 very fine to medium interstitial and tubular pores; 15 percent distinct strong brown (7.5YR 5/6), moist, skeletans on vertical faces of peds and 15 percent distinct light yellowish brown (10YR 6/4), moist, skeletans on vertical faces of peds and 35 percent distinct red (2.5YR 4/6), moist, clay films on rock fragments; 5 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 70 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU012099. continuous - phpvsfiid 144418; discontinuous - phpvsfiid 141961; discontinuous - phpvsfiid 144419; continuous - phpvsfiid 144418; discontinuous - phpvsfiid 141961; discontinuous - phpvsfiid 144419
    2Bt5—122 to 152 centimeters (48.0 to 59.8 inches); red (2.5YR 4/6) exterior clay; moderate very fine and fine angular blocky structure; very firm; 0.1 very fine roots throughout; 3.0 very fine tubular pores; 15 percent distinct light yellowish brown (10YR 6/4), moist, skeletans on vertical faces of peds and 75 percent distinct reddish brown (5YR 4/4), moist, clay films on faces of peds; 2 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments and 10 percent by volume subangular 2-39-75 millimeter siltstone, unspecified fragments; noneffervescent, by hcl, unspecified; gradual wavy boundary. Lab sample # MU012100. continuous - phpvsfiid 141962; discontinuous - phpvsfiid 141963; continuous - phpvsfiid 141962; discontinuous - phpvsfiid 141963
    2Bt6—152 to 203 centimeters (59.8 to 79.9 inches); red (10R 4/6) exterior extremely gravelly clay; moderate fine angular blocky structure; very firm; 0.1 very fine roots throughout; 3.0 very fine tubular pores; 75 percent distinct reddish brown (5YR 4/4), moist, clay films on faces of peds; 60 percent by volume angular 2-39-75 millimeter siltstone, unspecified fragments; noneffervescent, by hcl, unspecified. Lab sample # MU012101. continuous - phpvsfiid 141964; continuous - phpvsfiid 141964