IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1994MO153049M
  • User Pedon ID: 1994MO153049
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9415319
  • Print Date: 5/14/2024

    • 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: 36.5314639
  • Std. Longitude: -92.3299333
  • Datum: WGS84
  • Township: T21N
  • Range: R12W
  • Section: 6
  • PLSS Details: 1800 feet E and 250 feet S of the NW corner
  • Location Description: 1800 feet east and 250 feet south of the NW corner of Sec. 6, T. 21 N., R. 12 W.
  • Map Unit: 73019—Poynor very gravelly silt loam, 1 to 8 percent slopes
  • State: Missouri
  • County: MO153—Ozark
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO153—Ozark County, Missouri

    • PEDON

  • Describers Name: Buddy Festervand, Gene Campbell, Tony Dohmen
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Oxyaquic 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 - 33 to 83 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 - taxadjunct
  • PSC - 33 to 83 cm.
  • Classificaton Date - 4/28/1994
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 18 percent of Percent clay in the control section


    • SITE

  • Parent Material: slope alluvium over residuum
  • Landform: interfluve
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: somewhat excessively
  • Geology: Jeff City formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/28/1994 (actual site observation date)
  • Air Photo ID: 8-5
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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—33

    33—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

    —

    —

    259

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; extremely gravelly fine sandy loam; moderate medium granular structure; friable; 10.0 fine roots; 60 percent by volume 2-39-75 millimeter limestone, cherty fragments; neutral, pH 6.9, hellige-truog; clear smooth boundary. Lab sample # MU050895
    E—13 to 33 centimeters (5.1 to 13.0 inches); pale brown (10YR 6/3) extremely gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine roots; 20 percent by volume 75-162-250 millimeter limestone, cherty fragments and 55 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.2, hellige-truog; clear wavy boundary. Lab sample # MU050896
    Bt1—33 to 51 centimeters (13.0 to 20.1 inches); 90 percent brown (7.5YR 5/4) and 10 percent red (2.5YR 4/6) extremely gravelly loam; weak fine subangular blocky structure; friable; 0.5 fine roots; 30 percent distinct clay films on faces of peds and 30 percent pale brown (10YR 6/3) silt coats; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 5 percent by volume 250-425-600 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 # MU050897
    Bt2—51 to 84 centimeters (20.1 to 33.1 inches); 90 percent strong brown (7.5YR 5/6) and 10 percent red (2.5YR 4/6) extremely gravelly loam; weak fine subangular blocky structure; firm; 30 percent distinct clay films on faces of peds and 30 percent pale brown (10YR 6/3) silt coats; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU050898
    Bt3—84 to 137 centimeters (33.1 to 53.9 inches); 70 percent yellowish red (5YR 5/6) and 10 percent red (2.5YR 4/6) and 10 percent brown (7.5YR 5/4) and 10 percent light brownish gray (10YR 6/2) extremely gravelly clay loam; weak fine subangular blocky structure; firm; 30 percent distinct clay films on faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU050899
    2Bt4—137 to 203 centimeters (53.9 to 79.9 inches); 80 percent red (2.5YR 4/6) and 10 percent yellowish brown (10YR 5/6) and 10 percent brownish yellow (10YR 6/6) clay; moderate fine subangular blocky structure; firm; 60 percent prominent clay films on faces of peds; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog. Lab sample # MU050900