IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1998MO119184M
  • User Pedon ID: 1998MO119184
  • User Site Association ID: 8495
  • Transect:
  • User Transect ID - 98-04
  • Transect Stop Number - 1
  • Transect Interval - 240.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9811916
  • Print Date: 1/31/2025

    • 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: 36.7382389
  • Std. Longitude: -94.1211028
  • Datum: WGS84
  • Township: T23N
  • Range: R30W
  • Section: 1
  • PLSS Details: SE 1/4 of the SW 1/4
  • Location Description: SE1/4,SW1/4,Sec1,T23N,R30W
  • Map Unit: 70080—Noark-Clarksville-Crackerneck complex, karst, 3 to 8 percent slopes
  • State: Missouri
  • County: MO119—McDonald
  • MLRA: 116B—Springfield Plain
  • Non-MLRA Soil Survey Area: MO119—McDonald County, Missouri

    • PEDON

  • Describers Name: MDO,KLG
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Clarksville
  • PSC - 30 to 80 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 - 30 to 80 cm.
  • Classificaton Date - 2/2/1998
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium derived from cherty limestone and/or loess and/or residuum weathered from cherty limestone
  • Landscape: plateau
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/2/1998 (actual site observation date)
  • Air Photo ID: 9D
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • 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—30

    46—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

    6

    —

    —

    381

    —

    240

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 4/3) rubbed silt loam; moderate fine granular structure; very friable; 9.0 very fine and fine roots throughout; 7.0 very fine and fine interstitial and tubular pores; 10 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU012700. 10% of chert is tripolitic.
    E—13 to 30 centimeters (5.1 to 11.8 inches); dark yellowish brown (10YR 4/4) rubbed silt loam; moderate fine granular structure; very friable; 7.0 very fine and fine roots throughout; 5.0 very fine and fine interstitial and tubular pores; 5 percent distinct dark grayish brown (10YR 4/2) organic stains in root channels and/or pores; 10 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU012701. 10% of chert is tripolitic.; discontinuous - phpvsfiid 155268; discontinuous - phpvsfiid 155268
    Bt1—30 to 46 centimeters (11.8 to 18.1 inches); brown (7.5YR 4/4) gravelly silt loam; weak very fine subangular blocky structure; friable; 6.0 very fine and fine roots throughout; 4.0 very fine and fine interstitial and tubular pores; 1 percent faint brown (7.5YR 4/4) clay films on faces of peds and 3 percent distinct brown (10YR 4/3) organic stains in root channels and/or pores; 20 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU012702. 10% of chert is tripolitic.; discontinuous - phpvsfiid 154781; discontinuous - phpvsfiid 155269; discontinuous - phpvsfiid 154781; discontinuous - phpvsfiid 155269
    Bt2—46 to 69 centimeters (18.1 to 27.2 inches); yellowish red (5YR 4/6) gravelly silty clay loam; weak very fine and fine subangular blocky structure; firm; 5.0 very fine and fine roots throughout; 3.0 very fine and fine interstitial and tubular pores; 1 percent faint dark red (2.5YR 3/6) clay films on faces of peds and in pores; 25 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU012703. 30% of chert is tripolitic.; discontinuous - phpvsfiid 154782; discontinuous - phpvsfiid 154782
    Bt3—69 to 142 centimeters (27.2 to 55.9 inches); 30 percent dark red (2.5YR 3/6) and 30 percent red (2.5YR 4/6) and 40 percent brown (7.5YR 4/4) extremely cobbly silty clay loam; moderate fine subangular blocky structure; firm; 3.0 very fine and fine roots throughout; 3.0 very fine and fine interstitial pores; 2 percent faint dark reddish brown (5YR 3/4) clay films on rock fragments and 3 percent prominent light brownish gray (10YR 6/2) skeletans in root channels and/or pores and 5 percent distinct dusky red (10R 3/4) clay films on faces of peds and in pores; 20 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments and 50 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments; gradual smooth boundary. Lab sample # MU012704. 50% of chert is tripolitic.; discontinuous - phpvsfiid 154783; discontinuous - phpvsfiid 159476; discontinuous - phpvsfiid 159477; discontinuous - phpvsfiid 154783; discontinuous - phpvsfiid 159476; discontinuous - phpvsfiid 159477
    2Bt4—142 to 203 centimeters (55.9 to 79.9 inches); dark red (2.5YR 3/6) extremely paracobbly clay; moderate fine and medium angular blocky structure; firm; 1.0 very fine roots throughout; 2.0 very fine and fine interstitial pores; 1 percent distinct brown (10YR 5/3) skeletans in root channels and/or pores and 3 percent prominent yellowish red (5YR 4/6) clay films on faces of peds and in pores and 5 percent faint dark red (10R 3/6) clay films on faces of peds and in pores; 20 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments and 60 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments. Lab sample # MU012705. 65% of chert is tripolitic.; discontinuous - phpvsfiid 159425; discontinuous - phpvsfiid 159426; discontinuous - phpvsfiid 159427; discontinuous - phpvsfiid 159425; discontinuous - phpvsfiid 159426; discontinuous - phpvsfiid 159427