IDENTIFIERS

  • Current Taxon Name (Soil Name): Gressy
  • OSD
  • Series Extent
  • User Site ID: 1997MO091001M
  • User Pedon ID: 1997MO091001
  • User Site Association ID: 8034
  • Transect:
  • User Transect ID - 59C-3
  • Transect Stop Number - 6
  • Transect Interval - 50.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9709101
  • Print Date: 4/24/2025

    • 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: 36.7906778
  • Std. Longitude: -92.0276000
  • Datum: WGS84
  • Map Unit: 73198—Gressy-Viraton complex, 3 to 8 percent slopes
  • State: Missouri
  • County: MO091—Howell
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO091—Howell County, Missouri

    • PEDON

  • Describers Name: SFP, RDR, SVV, MJM
  • Current Taxonomic Class: Fine-loamy, siliceous Typic Paleudults
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Gressy
  • PSC - 23 to 73 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Viraton
  • Taxon Kind - variant
  • Classificaton Date - 12/16/1996
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium over residuum
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: head slope
  • Hill Slope Profile: summit
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/16/1996 (actual site observation date)
  • 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

    0—23

    23—152

    —-

    —-
    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

    —

    —

    335

    —

    280

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); brown (10YR 4/3) rubbed silt loam; weak fine subangular blocky parts to moderate fine granular structure; friable; 3.0 fine roots throughout; 0.9 medium vesicular and 7.0 fine interstitial and tubular pores; 2 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU057503
    Bt1—23 to 41 centimeters (9.1 to 16.1 inches); strong brown (7.5YR 4/6) exterior silt loam; weak fine subangular blocky structure; friable; 0.1 medium roots throughout and 0.9 fine roots throughout; 7.0 fine tubular pores; 35 percent faint strong brown (7.5YR 4/6), moist, clay films on faces of peds; 6 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU057504. discontinuous - phpvsfiid 143940; discontinuous - phpvsfiid 143940
    Bt2—41 to 61 centimeters (16.1 to 24.0 inches); 70 percent strong brown (7.5YR 4/6) exterior and 20 percent strong brown (7.5YR 5/6) exterior and 10 percent red (2.5YR 4/6) exterior silt loam; weak fine subangular blocky structure; friable; 0.1 fine roots throughout; 0.9 medium vesicular and 3.0 fine tubular pores; 15 percent distinct light brownish gray (10YR 6/2), moist, silt coats on vertical faces of peds and 35 percent faint strong brown (7.5YR 5/6), moist, clay films on faces of peds; 1 percent fine spherical extremely weakly coherent cemented black (N 2/0) iron-manganese masses throughout; 20 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; gradual wavy boundary. Lab sample # MU057505. continuous - phpvsfiid 140730; discontinuous - phpvsfiid 140718; continuous - phpvsfiid 140730; discontinuous - phpvsfiid 140718
    2Bt3—61 to 107 centimeters (24.0 to 42.1 inches); red (2.5YR 4/6) exterior clay loam; weak coarse prismatic parts to weak fine angular blocky structure; firm; 3.0 fine interstitial and tubular pores; 35 percent prominent light gray (10YR 7/1), moist, silt coats on vertical faces of peds and 75 percent faint red (2.5YR 4/6), moist, clay films on faces of peds; 45 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU057506. continuous - phpvsfiid 141860; discontinuous - phpvsfiid 141859; continuous - phpvsfiid 141860; discontinuous - phpvsfiid 141859
    2Bt4—107 to 132 centimeters (42.1 to 52.0 inches); 50 percent red (2.5YR 4/8) exterior and 50 percent reddish yellow (7.5YR 6/8) exterior clay; strong fine angular blocky structure; very firm; 0.1 very fine tubular pores; 15 percent prominent light brownish gray (10YR 6/2), moist, silt coats on vertical faces of peds and 35 percent distinct brownish yellow (10YR 6/8), moist, clay films on faces of peds and 35 percent distinct yellowish red (5YR 5/8), moist, clay films on faces of peds; 8 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU057507. continuous - phpvsfiid 141863; discontinuous - phpvsfiid 141861; discontinuous - phpvsfiid 141862; continuous - phpvsfiid 141863; discontinuous - phpvsfiid 141861; discontinuous - phpvsfiid 141862
    2Bt5—132 to 157 centimeters (52.0 to 61.8 inches); 80 percent reddish yellow (7.5YR 6/8) exterior and 20 percent red (2.5YR 4/8) exterior clay; strong fine angular blocky structure; very firm; 0.1 very fine tubular pores; 35 percent distinct yellowish brown (10YR 5/8), moist, clay films on faces of peds and 35 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds and 35 percent distinct pressure faces; 2 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; slightly acid, pH 6.5, hellige-truog. Lab sample # MU057508. continuous - phpvsfiid 141864; continuous - phpvsfiid 141865; continuous - phpvsfiid 141864; continuous - phpvsfiid 141865