IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1994MO153052M
  • User Pedon ID: 1994MO153052
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9415322
  • 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: 36.7051833
  • Std. Longitude: -92.4542583
  • Datum: WGS84
  • Township: T23N
  • Range: R14W
  • Section: 1
  • PLSS Details: 1700 feet E and 1150 feet S of the NW corner
  • Location Description: 1700 feet east and 1150 feet south of the NW corner of Sec. 1, T. 23 N., R. 14 W.
  • Map Unit: 73237—Clarksville very gravelly silt loam, 3 to 15 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, Kelly Shrable
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Clarksville
  • PSC - 5 to 55 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxonomic Class - Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - taxadjunct
  • PSC - 5 to 55 cm.
  • Classificaton Date - 5/4/1994
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 22 percent of Percent clay in the control section


    • SITE

  • Parent Material: slope alluvium over residuum
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Geology: Mississippian group .
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/4/1994 (actual site observation date)
  • Air Photo ID: 6-2
  • 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

    0—5

    5—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

    10

    —

    —

    439

    —

    246

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 5 centimeters (0.0 to 2.0 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; very gravelly silt loam; weak fine granular structure; very friable; 10.0 fine and medium roots; 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU050909
    Bt1—5 to 28 centimeters (2.0 to 11.0 inches); pale brown (10YR 6/3) very gravelly silt loam; weak medium subangular blocky structure; friable; 3.0 fine to coarse roots; 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU050910
    Bt2—28 to 53 centimeters (11.0 to 20.9 inches); strong brown (7.5YR 5/6) extremely gravelly clay loam; moderate fine subangular blocky structure; friable; 0.5 fine and medium roots; 30 percent distinct clay films on faces of peds and 30 percent light yellowish brown (10YR 6/4) silt coats; 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; clear wavy boundary. Lab sample # MU050911
    2Bt3—53 to 86 centimeters (20.9 to 33.9 inches); 75 percent strong brown (7.5YR 5/6) and 25 percent red (2.5YR 4/8) very gravelly clay; moderate medium subangular blocky structure; firm; 0.5 fine and medium roots; 60 percent distinct clay films on faces of peds; 35 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; gradual wavy boundary. Lab sample # MU050912
    2Bt4—86 to 104 centimeters (33.9 to 40.9 inches); 55 percent strong brown (7.5YR 5/6) and 25 percent red (2.5YR 4/6) and 10 percent red (10R 4/8) and 10 percent light yellowish brown (10YR 6/4) very gravelly clay; moderate medium subangular blocky structure; firm; 0.5 fine and medium roots; 60 percent distinct clay films on faces of peds; 45 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; clear wavy boundary. Lab sample # MU050913
    2Bt5—104 to 127 centimeters (40.9 to 50.0 inches); 80 percent red (2.5YR 4/6) and 10 percent brownish yellow (10YR 6/8) and 5 percent red (10R 4/8) and 5 percent pale brown (10YR 6/3) very gravelly clay; moderate medium subangular blocky structure; firm; 0.5 fine and medium roots; 60 percent distinct clay films on faces of peds; 45 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; clear wavy boundary. Lab sample # MU050914
    2Bt6—127 to 203 centimeters (50.0 to 79.9 inches); 70 percent yellowish brown (10YR 5/6) and 10 percent red (10R 4/8) and 10 percent brownish yellow (10YR 6/8) and 5 percent grayish brown (10YR 5/2) and 5 percent light gray (10YR 7/1) very gravelly clay; moderate medium subangular blocky structure; firm; 0.5 fine roots; 60 percent distinct clay films on faces of peds; 20 percent by volume 75-162-250 millimeter limestone, cherty fragments and 45 percent by volume 2-39-75 millimeter limestone, cherty fragments; extremely acid, pH 4.4, hellige-truog. Lab sample # MU050915