IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1999MO091126M
  • User Pedon ID: 1999MO091126
  • User Site Association ID: 7988
  • Transect:
  • User Transect ID - 43C-3
  • Transect Stop Number - 2
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9909107
  • Print Date: 2/3/2025

    • 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: 36.6025611
  • Std. Longitude: -91.8672917
  • 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: MJM, SFP, RDR
  • Current Taxonomic Class: Loamy-skeletal, siliceous Typic Paleudults
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Clarksville
  • PSC - 36 to 86 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 - 36 to 86 cm.
  • Classificaton Date - 6/24/1999
  • 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: linear
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/24/1999 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • 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

    0—15

    36—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

    —

    —

    308

    —

    360

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 4/3) rubbed very gravelly silt loam; weak fine subangular blocky parts to weak fine granular structure; friable; 0.9 medium roots throughout and 3.0 fine roots throughout; 3.0 fine and medium interstitial pores; 40 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU012813. L7 40 2, L-2, RV-18, H-75;
    BE—15 to 36 centimeters (5.9 to 14.2 inches); 80 percent dark yellowish brown (10YR 4/4) exterior and 20 percent strong brown (7.5YR 4/6) exterior very gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine roots throughout; 3.0 fine tubular pores; 10 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 10 percent by volume subrounded 75-162-250 millimeter sandstone, unspecified fragments and 35 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU012814. L7 35 2, L-5, RV-40, H-75; L7 10 2, L-75, RV-90, H-150; A0 10 3, L-75, RV-75, H-75;
    Bt1—36 to 51 centimeters (14.2 to 20.1 inches); 70 percent strong brown (7.5YR 4/6) exterior and 30 percent dark yellowish brown (10YR 4/4) exterior extremely gravelly loam; moderate medium subangular blocky parts to weak fine subangular blocky structure; friable; 3.0 fine roots throughout; 3.0 fine interstitial and tubular pores; 15 percent prominent yellowish red (5YR 4/6), moist, clay films throughout and 15 percent prominent red (2.5YR 4/6), moist, clay films throughout and 15 percent prominent very pale brown (10YR 7/3), moist, silt coats throughout; 20 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 45 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU012815. L7 45 2, L-12, RV-50, H-75; L7 20 2, L-75, RV-150, H-250; discontinuous - phpvsfiid 143093; discontinuous - phpvsfiid 143102; discontinuous - phpvsfiid 143103; discontinuous - phpvsfiid 143093; discontinuous - phpvsfiid 143102; discontinuous - phpvsfiid 143103
    Bt2—51 to 71 centimeters (20.1 to 28.0 inches); 60 percent strong brown (7.5YR 5/6) exterior and 40 percent yellowish red (5YR 4/6) exterior extremely gravelly clay loam; moderate medium subangular blocky structure; firm; 0.9 fine roots throughout; 3.0 fine interstitial and tubular pores; 15 percent prominent red (2.5YR 4/6), moist, clay films throughout and 15 percent prominent very pale brown (10YR 7/3), moist, silt coats throughout; 10 percent by volume subrounded 75-162-250 millimeter limestone, cherty fragments and 15 percent by volume subrounded 2-39-75 millimeter sandstone, unspecified fragments and 35 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear irregular boundary. Lab sample # MU012816. A0 15 3, L-40, RV-60, H-75; L7 35 3, L-12, RV-50, H-75; L7 10 3, L-75, RV-150, H-200; discontinuous - phpvsfiid 143104; discontinuous - phpvsfiid 143105; discontinuous - phpvsfiid 143104; discontinuous - phpvsfiid 143105
    2Bt3—71 to 112 centimeters (28.0 to 44.1 inches); red (2.5YR 4/6) exterior very gravelly clay; moderate medium subangular blocky parts to strong fine angular blocky structure; firm; 0.1 very fine roots throughout; 0.9 fine interstitial and tubular pores; 15 percent faint dark red (2.5YR 3/6), moist, clay films throughout and 15 percent distinct yellowish red (5YR 4/6), moist, clay films throughout and 15 percent prominent very pale brown (10YR 7/4), moist, silt coats throughout; 10 percent by volume subrounded 75-162-250 millimeter sandstone, unspecified fragments and 35 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU012817. L7 35 3, L-25, RV-40, H-75; A0 10 3, L-75, RV-100, H-250; discontinuous - phpvsfiid 143106; discontinuous - phpvsfiid 143107; discontinuous - phpvsfiid 143108; discontinuous - phpvsfiid 143106; discontinuous - phpvsfiid 143107; discontinuous - phpvsfiid 143108
    2Bt4—112 to 152 centimeters (44.1 to 59.8 inches); 70 percent dark red (2.5YR 3/6) exterior and 30 percent yellowish red (5YR 4/6) exterior gravelly clay; moderate medium subangular blocky parts to strong fine angular blocky structure; firm; 0.1 very fine roots throughout; 0.9 fine interstitial and tubular pores; 15 percent prominent very pale brown (10YR 7/4), moist, silt coats throughout and 75 percent faint dark red (2.5YR 3/6), moist, clay films throughout; 15 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; moderately acid, pH 5.6, hellige-truog. Lab sample # MU012818. L7 15 3, L-15, RV-50, H-75; discontinuous - phpvsfiid 144794; continuous - phpvsfiid 143109; discontinuous - phpvsfiid 144794; continuous - phpvsfiid 143109