IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1994MO067049M
  • User Pedon ID: 1994MO067049
  • Vegetation Plot ID: 1994MO067049
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9406722
  • 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: 37.0539600
  • Std. Longitude: -92.8985141
  • Datum: WGS84
  • Township: T27N
  • Range: R18W
  • Section: 10
  • PLSS Details: 1300 feet E and 700 feet S of the NW corner
  • Location Description: Wayne Cornelison farm, Section 10, T27, R18, 1300'E and 700'S of the NW corner
  • Map Unit: 73325—Clarksville extremely gravelly silt loam, 15 to 50 percent slopes
  • State: Missouri
  • County: MO067—Douglas
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO067—Douglas County, Missouri

    • PEDON

  • Describers Name: wls and gws
  • Current Taxonomic Class: Loamy-skeletal, siliceous, acid Typic Paleudults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • 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 - 11/17/1994
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium over residuum
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: very high
  • Drainage Class: somewhat excessively
  • Flooding: none flooding
  • Ponding: none ponding
  • Wet Soil Moisture Duration: 20
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/17/1994 (actual site observation date)
  • Air Photo ID: 2249-33
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    CARYA

    QUAL

    QUVE

    Carya

    Quercus alba

    Quercus velutina

    hybrid hickory

    white oak

    black oak

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—30

    30—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

    20

    61

    —

    472

    —

    135

    1092

    —

    —

    12.8

    —

    —

    —

    —

    —

    —

    —

    5227

    Mansfield

    TAPS
    A—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; extremely gravelly silt loam; moderate fine granular structure; friable; 6.0 fine to coarse roots 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; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU011960
    E—13 to 30 centimeters (5.1 to 11.8 inches); pale brown (10YR 6/3) very gravelly silt loam; weak fine granular structure; friable; 6.0 fine to coarse roots throughout; 10 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 45 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU011961
    Bt1—30 to 51 centimeters (11.8 to 20.1 inches); light yellowish brown (10YR 6/4) extremely gravelly silt loam; weak very fine and fine subangular blocky structure; friable; 3.0 fine to coarse roots throughout; 4 percent faint strong brown (7.5YR 5/6), moist, clay films on faces of peds; 15 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 55 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU011962. patchy - phpvsfiid 127770; patchy - phpvsfiid 127770
    Bt2—51 to 66 centimeters (20.1 to 26.0 inches); strong brown (7.5YR 5/6) extremely gravelly silt loam; weak fine subangular blocky structure; firm; 3.0 very fine and fine roots between peds; 20 percent faint yellowish red (5YR 5/6), moist, clay films on faces of peds; 10 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 10 percent by volume subangular 250-425-600 millimeter limestone, cherty fragments and 60 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU011963. patchy - phpvsfiid 127771; patchy - phpvsfiid 127771
    Bt3—66 to 104 centimeters (26.0 to 40.9 inches); strong brown (7.5YR 5/6) extremely gravelly silt loam; pinkish gray (7.5YR 7/2) mottles; weak medium prismatic parts to weak very fine and fine subangular blocky structure; firm; brittle; 0.5 very fine and fine roots between peds and 0.5 coarse roots between peds; 20 percent distinct yellowish red (5YR 5/6), moist, clay films on faces of peds; 10 percent by volume subangular 250-425-600 millimeter limestone, cherty fragments and 20 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 40 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; abrupt wavy boundary. Lab sample # MU011964. 25 percent brittle; discontinuous - phpvsfiid 127772; discontinuous - phpvsfiid 127772
    2Bt4—104 to 135 centimeters (40.9 to 53.1 inches); yellowish red (5YR 5/6) very gravelly silty clay; light gray (10YR 7/2) mottles; weak fine subangular blocky structure; firm; 0.5 very fine and fine roots between peds and 0.5 coarse roots between peds; 35 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds; 10 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 35 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # MU011965. discontinuous - phpvsfiid 127773; discontinuous - phpvsfiid 127773
    2Bt51—135 to 160 centimeters (53.1 to 63.0 inches); red (2.5YR 4/6) and yellowish red (5YR 5/6) extremely gravelly clay; light gray (10YR 7/2) mottles; moderate very fine and fine subangular blocky structure; firm; 0.5 very fine and fine roots between peds; 45 percent distinct clay films on faces of peds; 10 percent by volume subangular 250-425-600 millimeter limestone, cherty fragments and 20 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 40 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU011966. continuous - phpvsfiid 127774; continuous - phpvsfiid 127774
    2Bt52—160 to 183 centimeters (63.0 to 72.0 inches); extremely gravelly clay; 10 percent by volume subangular 250-425-600 millimeter limestone, cherty fragments and 20 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 40 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU011967
    2Bt6—183 to 203 centimeters (72.0 to 79.9 inches); red (2.5YR 4/6) and brown (7.5YR 5/4) very gravelly clay; 5 percent red (10R 4/6) and 10 percent pinkish gray (7.5YR 6/2) mottles; moderate very fine and fine subangular blocky structure; firm; 45 percent prominent clay films on faces of peds; 40 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU011968. continuous - phpvsfiid 127775; continuous - phpvsfiid 127775