IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1996MO067096M
  • User Pedon ID: 1996MO067096
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9706704
  • 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: 36.8201492
  • Std. Longitude: -92.8629818
  • Datum: WGS84
  • Township: T25N
  • Range: R18W
  • Section: 36
  • PLSS Details: NW 1/4 of the NW 1/4 of the NE 1/4
  • Location Description: From an old cellar site in a saddle on a glade go SSE 200 feet. NW1/4 of NW1/4 of NE1/4 of section 36 T25N R18W.
  • Map Unit: 73076—Mano-Ocie complex, 15 to 35 percent slopes, stony
  • State: Missouri
  • County: MO067—Douglas
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO067—Douglas County, Missouri

    • PEDON

  • Describers Name: KEB, WLS, JP and PK
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • 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 - Poynor
  • Taxonomic Class - Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 36 to 86 cm.
  • Classificaton Date - 12/4/1996
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from dolomite
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: on a slope
  • Slope Shape Across: convex
  • Slope Shape Down: concave
  • Runoff: very high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/4/1996 (actual site observation date)
  • Air Photo ID: 2249-054
  • Surface Cover Properties:
  • 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

    5—36

    36—213

    —-

    —-
    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

    —

    —

    399

    —

    340

    1092

    —

    —

    12.8

    —

    —

    —

    —

    —

    —

    —

    5227

    Mansfield, Mo.

    TAPS
    Oi—0 to 5 centimeters (0.0 to 2.0 inches); slightly decomposed plant material; fragments; clear smooth boundary. Lab sample # MU64240
    A—5 to 15 centimeters (2.0 to 5.9 inches); pinkish gray (7.5YR 6/2), light gray (10YR 7/2), dry; extremely gravelly silt loam; moderate fine granular structure; friable; 6.0 very fine to medium roots and 0.5 coarse roots; 65 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU057240
    E—15 to 36 centimeters (5.9 to 14.2 inches); light brown (7.5YR 6/3), very pale brown (10YR 8/3), dry; extremely gravelly silt loam; weak fine and medium subangular blocky structure; friable; 6.0 very fine to medium roots; 3.0 very fine and fine tubular pores; 70 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # MU057241
    Bt1—36 to 56 centimeters (14.2 to 22.0 inches); brown (7.5YR 5/4) extremely gravelly silt loam; moderate fine subangular blocky structure; friable; 3.0 fine and medium roots; 0.5 very fine tubular pores; 3 percent faint clay films on rock fragments; 70 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU057242. discontinuous - phpvsfiid 128204; discontinuous - phpvsfiid 128204
    Bt2—56 to 79 centimeters (22.0 to 31.1 inches); strong brown (7.5YR 5/6) extremely gravelly silty clay loam; moderate fine and medium subangular blocky structure; firm; 3.0 fine and medium roots; 30 percent faint clay films on rock fragments; 65 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # MU057243. discontinuous - phpvsfiid 131034; discontinuous - phpvsfiid 131034
    2Bt3—79 to 112 centimeters (31.1 to 44.1 inches); yellowish red (5YR 4/6) extremely gravelly silty clay; moderate fine and medium subangular blocky structure; firm; 3.0 fine and medium roots; 30 percent prominent dark red (2.5YR 3/6), moist, clay films on rock fragments; 5 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 60 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU057244. discontinuous - phpvsfiid 131035; discontinuous - phpvsfiid 131035
    2Bt4—112 to 142 centimeters (44.1 to 55.9 inches); 80 percent yellowish red (5YR 5/6) and 20 percent pinkish gray (7.5YR 6/2) very gravelly silty clay; moderate fine subangular blocky structure; firm; 0.5 very fine and fine roots; 30 percent prominent red (2.5YR 4/6), moist, clay films on rock fragments; 50 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU057245. discontinuous - phpvsfiid 131036; discontinuous - phpvsfiid 131036
    2Bt5—142 to 188 centimeters (55.9 to 74.0 inches); 80 percent yellowish red (5YR 5/6) and 20 percent pinkish gray (7.5YR 6/2) extremely gravelly silty clay; moderate fine subangular blocky, and moderate fine angular blocky structure; firm; 0.5 fine roots; 30 percent prominent red (2.5YR 4/6), moist, clay films on faces of peds; 65 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # MU057246. discontinuous - phpvsfiid 131037; discontinuous - phpvsfiid 131037
    2Bt6—188 to 213 centimeters (74.0 to 83.9 inches); 70 percent red (2.5YR 4/6) and 20 percent pinkish gray (7.5YR 6/2) and 10 percent strong brown (7.5YR 5/8) silty clay; moderate coarse prismatic parts to moderate medium angular blocky structure; firm; 0.5 fine roots; 5 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU057247