IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1993MO153021M
  • User Pedon ID: 1993MO153021
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9315321
  • 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: 36.5099983
  • Std. Longitude: -92.4344406
  • Datum: WGS84
  • Township: T21N
  • Range: R13W
  • Section: 7
  • PLSS Details: 2125 feet W and 2000 feet N of the SE corner
  • Location Description: 2125 feet west and 2000 feet north of the SE corner of Sec. 7, T. 21 N., R. 13 W.
  • Map Unit: 73237—Clarksville very gravelly silt loam, 3 to 15 percent slopes
  • State: Missouri
  • County: MO153—Ozark
  • MLRA: 116A—Ozark Highland
  • MLRA Soil Survey Area: NC-SPM—Springfield, Missouri
  • 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 Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Clarksville
  • PSC - 15 to 65 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 - 15 to 65 cm.
  • Classificaton Date - 7/8/1993
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 17.700001 percent of Percent clay in the control section


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/8/1993 (actual site observation date)
  • Air Photo ID: 7-5
  • 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—15

    15—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

    5

    —

    —

    329

    —

    245

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A—3 to 8 centimeters (1.2 to 3.1 inches); dark brown (10YR 3/3), light brownish gray (10YR 6/2), dry; very gravelly silt loam; moderate fine granular structure; very friable; 7.0 very fine and fine roots; 45 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU011945
    E—8 to 15 centimeters (3.1 to 5.9 inches); brown (10YR 4/3), very pale brown (10YR 7/3), dry; very gravelly silt loam; moderate fine granular structure; very friable; 0.5 medium and coarse roots and 7.0 fine roots; 35 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU011946
    Bt1—15 to 25 centimeters (5.9 to 9.8 inches); yellowish brown (10YR 5/4) very gravelly silt loam; moderate fine subangular blocky structure; friable; 7.0 roots; 10 percent faint 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 30 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; gradual smooth boundary. Lab sample # MU011947
    Bt2—25 to 53 centimeters (9.8 to 20.9 inches); 90 percent yellowish brown (10YR 5/4) and 10 percent strong brown (7.5YR 5/6) very gravelly silt loam; moderate fine subangular blocky structure; friable; 3.0 fine and medium roots; 15 percent distinct clay films on faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 40 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; gradual smooth boundary. Lab sample # MU011948
    Bt3—53 to 84 centimeters (20.9 to 33.1 inches); strong brown (7.5YR 5/6) extremely gravelly silt loam; moderate fine subangular blocky structure; friable; 0.5 fine roots; 20 percent light yellowish brown (10YR 6/4) silt coats and 30 percent distinct clay films on faces of peds; 20 percent by volume 75-162-250 millimeter limestone, cherty fragments and 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.4, hellige-truog; gradual smooth boundary. Lab sample # MU011949
    Bt4—84 to 114 centimeters (33.1 to 44.9 inches); strong brown (7.5YR 5/6) extremely gravelly silt loam; moderate fine subangular blocky structure; friable; 0.5 fine roots; 20 percent pale brown (10YR 6/3) silt coats and 30 percent distinct clay films on faces of peds; 20 percent by volume 75-162-250 millimeter limestone, cherty fragments and 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU011950
    2Bt5—114 to 203 centimeters (44.9 to 79.9 inches); red (2.5YR 4/8) extremely gravelly clay; moderate fine subangular blocky structure; firm; 0.5 fine roots; 30 percent distinct clay films on faces of peds; 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU011951