IDENTIFIERS

  • Current Taxon Name (Soil Name): Plato
  • OSD
  • Series Extent
  • User Site ID: 1997MO091244M
  • User Pedon ID: 1997MO091244
  • User Site Association ID: 8003
  • Transect:
  • User Transect ID - 48B-1
  • Transect Stop Number - 1
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9709144
  • Print Date: 11/23/2024
  • 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: 36.7922083
  • Std. Longitude: -92.0273583
  • Datum: WGS84
  • Map Unit: 73299—Plato-Jerktail complex, 1 to 3 percent slopes
  • State: Missouri
  • County: MO091—Howell
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO091—Howell County, Missouri
  • PEDON

  • Describers Name: SFP, SVV, RDR, MJM
  • Current Taxonomic Class: Fine, mixed Aquic Fragiudalfs
  • Current Taxon Kind: series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Plato
  • PSC - 38 to 58 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Plato
  • Taxon Kind - series
  • PSC - 38 to 58 cm.
  • Classificaton Date - 6/20/1997
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess and/or pedisediment and/or residuum
  • Landscape: valley
  • Landform: valley
  • Geomorphic Component Hills: head slope
  • Hill Slope Profile: footslope
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/20/1997 (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

    mottles with chroma 2 or less

    argillic horizon

    fragipan

    0—20

    0—203

    38—203

    58—81

    —-

    —-

    —-

    —-

    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

    341

    Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark gray (10YR 4/1) rubbed silt loam; 5 percent gray (10YR 5/1) fine faint irregular mottles; weak fine subangular blocky structure; friable; 3.0 very fine to medium roots throughout; 7.0 very fine to medium interstitial pores; 35 percent prominent dark brown (7.5YR 3/3), moist, iron stains throughout; 5 percent fine spherical black (N 2/0) iron-manganese concretions throughout; 2 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU018416. discontinuous - phpvsfiid 142185; discontinuous - phpvsfiid 142185
    BE—20 to 38 centimeters (7.9 to 15.0 inches); 60 percent light brownish gray (2.5Y 6/2) exterior and 40 percent dark gray (10YR 4/1) exterior silt loam; moderate fine subangular blocky structure; friable; 3.0 very fine and fine roots throughout; 3.0 very fine and fine interstitial and tubular pores; 75 percent prominent brown (7.5YR 4/3), moist, iron stains throughout; 10 percent medium spherical black (N 2/0) iron-manganese concretions throughout; 2 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU018417. discontinuous - phpvsfiid 142186; discontinuous - phpvsfiid 142186
    Btg1—38 to 58 centimeters (15.0 to 22.8 inches); grayish brown (10YR 5/2) exterior gravelly silty clay loam; 3 percent dark red (2.5YR 3/6) fine prominent and 15 percent gray (10YR 5/1) medium faint and 25 percent yellowish brown (10YR 5/6) medium prominent mottles; moderate fine and medium subangular blocky structure; firm; 0.9 fine roots throughout; 3.0 very fine and fine tubular pores; 35 percent distinct strong brown (7.5YR 4/6), moist, clay films on upper surfaces of peds or rocks; 15 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU018418. discontinuous - phpvsfiid 142187; discontinuous - phpvsfiid 142187
    2Btx—58 to 81 centimeters (22.8 to 31.9 inches); brownish yellow (10YR 6/6) exterior very gravelly clay loam; 5 percent dark red (2.5YR 3/6) fine prominent and 20 percent grayish brown (10YR 5/2) medium prominent mottles; weak coarse prismatic parts to weak fine subangular blocky structure; extremely firm; brittle; 0.9 fine roots throughout; 0.9 fine vesicular and 3.0 fine tubular pores; 15 percent prominent brown (10YR 5/3), moist, clay films on sand and gravel and 35 percent distinct gray (10YR 6/1), moist, clay films on vertical faces of peds; 50 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU018419. 60 percent brittle; continuous - phpvsfiid 144494; continuous - phpvsfiid 144495; continuous - phpvsfiid 144494; continuous - phpvsfiid 144495
    3Btg2—81 to 94 centimeters (31.9 to 37.0 inches); 60 percent grayish brown (10YR 5/2) exterior and 40 percent yellowish brown (10YR 5/6) exterior extremely stony clay; 5 percent light olive brown (2.5Y 5/4) fine faint and 10 percent dark reddish brown (2.5YR 3/4) fine prominent mottles; weak medium subangular blocky structure; very firm; 0.9 very fine tubular pores; 2 percent prominent very dark gray (2.5Y 3/1), moist, clay films on faces of peds and 5 percent faint strong brown (7.5YR 5/6), moist, clay films on upper surfaces of peds or rocks and 35 percent faint gray (10YR 5/1), moist, clay films on upper surfaces of peds or rocks; 1 percent fine spherical black (N 2/0) iron-manganese concretions throughout; 10 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments and 50 percent by volume subangular 250-425-600 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU018420. discontinuous - phpvsfiid 144497; continuous - phpvsfiid 144496; discontinuous - phpvsfiid 144498; discontinuous - phpvsfiid 144497; continuous - phpvsfiid 144496; discontinuous - phpvsfiid 144498
    4Bt1—94 to 122 centimeters (37.0 to 48.0 inches); brownish yellow (10YR 6/8) exterior clay; 10 percent light gray (5Y 7/2) fine prominent mottles; moderate fine angular blocky structure; firm; 0.9 very fine tubular pores; 75 percent faint brownish yellow (10YR 6/8), moist, clay films on faces of peds and 75 percent faint brownish yellow (10YR 6/8), moist, pressure faces on faces of peds; fragments; noneffervescent, by hcl, unspecified; gradual wavy boundary. Lab sample # MU018421. continuous - phpvsfiid 144499; continuous - phpvsfiid 144500; continuous - phpvsfiid 144499; continuous - phpvsfiid 144500
    4Bt2—122 to 203 centimeters (48.0 to 79.9 inches); 70 percent brownish yellow (10YR 6/8) exterior and 30 percent light gray (5Y 7/1) exterior clay; strong fine and medium angular blocky structure; firm; 0.9 very fine tubular pores; 75 percent faint brownish yellow (10YR 6/8), moist, clay films on faces of peds and 75 percent faint brownish yellow (10YR 6/8), moist, pressure faces on faces of peds; fragments; noneffervescent, by hcl, unspecified. Lab sample # MU018422. continuous - phpvsfiid 144501; continuous - phpvsfiid 144502; continuous - phpvsfiid 144501; continuous - phpvsfiid 144502