IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1996MO067104M
  • User Pedon ID: 1996MO067104
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9706712
  • Print Date: 5/15/2024

    • 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: 36.7991685
  • Std. Longitude: -92.2166826
  • Datum: WGS84
  • Township: T25N
  • Range: R12W
  • Section: 33
  • PLSS Details: SE 1/4 of the NE 1/4
  • Location Description: Russell farm, west side of ridge crest 70 feet south of fence. SE1/4 of SE1/4 of Section 33, T.25N., R.12W.
  • Map Unit: 73236—Scholten-Poynor complex, 3 to 8 percent slopes
  • State: Missouri
  • County: MO067—Douglas
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO067—Douglas County, Missouri

    • PEDON

  • Describers Name: JP, KEB, GWS and WLS.
  • Current Taxonomic Class: Loamy-skeletal, siliceous Typic Paleudults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Clarksville
  • PSC - 18 to 68 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 - 18 to 68 cm.
  • Classificaton Date - 12/11/1996
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium derived from mixed and/or residuum weathered from dolomite
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/11/1996 (actual site observation date)
  • Air Photo ID: 2252-103
  • 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—18

    18—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

    —

    —

    299

    —

    270

    1092

    —

    —

    12.8

    —

    —

    —

    —

    —

    —

    —

    5227

    Mansfield

    TAPS
    Ap—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 4/3), light brownish gray (10YR 6/2), dry; very gravelly silt loam; moderate fine granular structure; friable; 6.0 fine to coarse roots; 40 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; abrupt smooth boundary. Lab sample # MU057292
    E—8 to 18 centimeters (3.1 to 7.1 inches); light yellowish brown (10YR 6/4), very pale brown (10YR 7/3), dry; gravelly silt loam; weak fine subangular blocky parts to moderate fine granular structure; friable; 6.0 fine to coarse roots; 0.5 very fine and fine tubular pores; 30 percent distinct grayish brown (10YR 5/2), moist, organic stains on faces of peds; 25 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU057293. discontinuous - phpvsfiid 131086; discontinuous - phpvsfiid 131086
    Bt1—18 to 48 centimeters (7.1 to 18.9 inches); light yellowish brown (10YR 6/4), very pale brown (10YR 7/4), dry; very gravelly silt loam; weak fine subangular blocky structure; firm; 3.0 fine to coarse roots; 0.5 very fine tubular pores; 3 percent faint clay films on rock fragments; 35 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU057294. discontinuous - phpvsfiid 131087; discontinuous - phpvsfiid 131087
    2Bt2—48 to 81 centimeters (18.9 to 31.9 inches); 20 percent red (2.5YR 4/6) and 15 percent yellowish brown (10YR 5/8) and 65 percent strong brown (7.5YR 5/6) very cobbly clay; moderate very fine and fine subangular blocky structure; firm; 0.5 fine to coarse roots; 30 percent distinct clay films on faces of peds; 20 percent by volume subangular 2-39-75 millimeter sandstone, unspecified fragments and 20 percent by volume subangular 75-162-250 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # MU057295. In this horizon, 1/2 of the sandstone gravel is para-sandstone.; discontinuous - phpvsfiid 131088; discontinuous - phpvsfiid 131088
    2Bt3—81 to 107 centimeters (31.9 to 42.1 inches); 40 percent red (10R 4/6) and 25 percent strong brown (7.5YR 5/8) and 10 percent light gray (10YR 7/2) and 25 percent brown (7.5YR 5/4) very gravelly clay; moderate fine and medium subangular blocky structure; firm; 0.5 very fine roots; 70 percent prominent clay films on faces of peds; 15 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 30 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; gradual wavy boundary. Lab sample # MU057296. continuous - phpvsfiid 131089; continuous - phpvsfiid 131089
    2Bt4—107 to 203 centimeters (42.1 to 79.9 inches); 50 percent red (10R 4/6) and 20 percent reddish yellow (7.5YR 6/6) and 30 percent light gray (10YR 7/2) extremely cobbly clay; moderate fine and medium subangular blocky structure; firm; 70 percent prominent clay films on vertical faces of peds; 35 percent by volume angular 2-39-75 millimeter limestone, cherty fragments and 35 percent by volume angular 75-162-250 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog. Lab sample # MU057297. continuous - phpvsfiid 131090; continuous - phpvsfiid 131090