IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1997MO221123M
  • User Pedon ID: 1997MO221123
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9722161
  • Print Date: 11/21/2024
  • 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: 37.8736265
  • Std. Longitude: -90.9163777
  • Datum: WGS84
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland
  • PEDON

  • Describers Name: DMS,JF,GL,JS
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Clarksville
  • Taxonomic Class - Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 25 to 75 cm.
  • Classificaton Date - 11/24/1997
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: residuum
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/24/1997 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • 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

    22

    331

    30

    A—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; very gravelly silt loam; moderate fine subangular blocky parts to moderate very fine subangular blocky structure; very friable; 6.0 very fine and fine roots and 3.0 medium and coarse roots; 6.0 very fine and fine interstitial pores; 5 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; clear smooth boundary. Lab sample # MU058957
    E—10 to 25 centimeters (3.9 to 9.8 inches); very pale brown (10YR 7/3) very gravelly silt loam; moderate fine subangular blocky parts to moderate very fine subangular blocky structure; friable; 6.0 very fine and fine roots and 3.0 medium and coarse roots; 6.0 very fine and fine interstitial and tubular pores; 60 percent distinct silt coats on faces of peds; 5 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 4.7, hellige-truog; gradual smooth boundary. Lab sample # MU058958. continuous - phpvsfiid 138805; continuous - phpvsfiid 138805
    Bt1—25 to 43 centimeters (9.8 to 16.9 inches); 80 percent light yellowish brown (10YR 6/4) and 20 percent strong brown (7.5YR 5/8) very gravelly silt loam; moderate very fine subangular blocky structure; friable; 3.0 very fine and fine roots and 0.5 medium and coarse roots; 6.0 very fine and fine interstitial and tubular pores; 35 percent distinct clay films on faces of peds and 60 percent distinct silt coats on faces of peds; 15 percent by volume 75-162-250 millimeter limestone, cherty fragments and 45 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; gradual smooth boundary. Lab sample # MU058959. discontinuous - phpvsfiid 138807; continuous - phpvsfiid 138806; discontinuous - phpvsfiid 138807; continuous - phpvsfiid 138806
    Bt2—43 to 53 centimeters (16.9 to 20.9 inches); 70 percent light yellowish brown (10YR 6/4) and 30 percent strong brown (7.5YR 5/8) very gravelly silt loam; weak medium prismatic parts to moderate very fine subangular blocky structure; friable; 0.5 very fine and fine roots; 3.0 very fine and fine interstitial and tubular pores; 35 percent distinct clay films on faces of peds and 60 percent distinct silt coats on faces of peds; 5 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 # MU058960. discontinuous - phpvsfiid 138809; continuous - phpvsfiid 138808; discontinuous - phpvsfiid 138809; continuous - phpvsfiid 138808
    Bt3—53 to 71 centimeters (20.9 to 28.0 inches); 85 percent strong brown (7.5YR 5/6) and 15 percent red (2.5YR 4/8) very gravelly silty clay loam; weak coarse prismatic parts to moderate very fine subangular blocky structure; firm; 0.5 very fine and fine roots; 3.0 very fine and fine interstitial and tubular pores; 60 percent distinct clay films on faces of peds; 5 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; clear smooth boundary. Lab sample # MU058961. discontinuous - phpvsfiid 135362; discontinuous - phpvsfiid 135362
    Bt4—71 to 89 centimeters (28.0 to 35.0 inches); 65 percent red (2.5YR 4/8) and 35 percent yellowish red (5YR 5/6) gravelly silty clay loam; weak coarse and very coarse prismatic structure; very firm; 0.5 very fine and fine roots; 0.5 very fine and fine interstitial and tubular pores; 60 percent distinct clay films on faces of peds; 4 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 5.1, hellige-truog; gradual smooth boundary. Lab sample # MU058962. discontinuous - phpvsfiid 135363; discontinuous - phpvsfiid 135363
    Bt5—89 to 117 centimeters (35.0 to 46.1 inches); red (2.5YR 4/8) very gravelly silty clay loam; weak very coarse prismatic structure; very firm; 0.5 very fine and fine roots; 0.5 very fine and fine interstitial and tubular pores; 60 percent distinct clay films on faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 45 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU058963. discontinuous - phpvsfiid 135364; discontinuous - phpvsfiid 135364
    Bt6—117 to 152 centimeters (46.1 to 59.8 inches); 70 percent yellowish red (5YR 5/8) and 30 percent red (2.5YR 4/8) gravelly silty clay loam; moderate very coarse prismatic structure; very firm; 0.5 very fine and fine roots; 0.5 very fine and fine interstitial and tubular pores; 60 percent distinct clay films on faces of peds; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog. Lab sample # MU058964. discontinuous - phpvsfiid 135365; discontinuous - phpvsfiid 135365