IDENTIFIERS

  • Current Taxon Name (Soil Name): Gressy
  • OSD
  • Series Extent
  • User Site ID: 1993MO067005M
  • User Pedon ID: 1993MO067005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9306705
  • 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: 37.0531270
  • Std. Longitude: -92.6985079
  • Datum: WGS84
  • Township: T27N
  • Range: R16W
  • Section: 4
  • PLSS Details: 1660 feet E and 20 feet N of the SW corner
  • Location Description: 1660 feet east and 20 feet north of SW corner of section 4 T27N R16W
  • Map Unit: 73198—Gressy-Viraton 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: GAL and WM
  • Current Taxonomic Class: Fine-loamy, mixed Oxyaquic Paleudalfs
  • Current Taxon Kind: variant
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Gressy
  • PSC - 15 to 66 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Crider
  • Taxon Kind - variant
  • Classificaton Date - 2/1/1993
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium over residuum
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/1/1993 (actual site observation date)
  • Air Photo ID: 2256-137
  • 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—15

    15—165

    —-

    —-
    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

    2

    —

    —

    442

    —

    315

    1092

    —

    —

    12.8

    —

    —

    —

    —

    —

    —

    —

    5227

    Mansfield

    TAPS
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 4/3) silt loam; moderate fine granular structure; friable; 3.0 fine roots; 70 percent faint dark grayish brown (10YR 4/2) organic stains on faces of peds; 1 percent fine spherical iron-manganese masses; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # MU013125. continuous - phpvsfiid 128052; continuous - phpvsfiid 128052
    Bt1—15 to 36 centimeters (5.9 to 14.2 inches); yellowish brown (10YR 5/6) silt loam; weak fine and medium granular structure; friable; 0.5 fine roots; 20 percent faint strong brown (7.5YR 5/6) clay films on faces of peds and 40 percent distinct brown (10YR 4/3) organic stains on faces of peds; 1 percent fine spherical iron-manganese masses; fragments; moderately acid, pH 5.9, hellige-truog; gradual smooth boundary. Lab sample # MU013126. discontinuous - phpvsfiid 128053; discontinuous - phpvsfiid 128054; discontinuous - phpvsfiid 128053; discontinuous - phpvsfiid 128054
    Bt2—36 to 53 centimeters (14.2 to 20.9 inches); strong brown (7.5YR 5/6) and strong brown (7.5YR 4/6) silt loam; weak very fine and fine subangular blocky structure; friable; 0.5 fine roots between peds; 30 percent prominent yellowish red (5YR 4/6) clay films on faces of peds; 1 percent fine spherical iron-manganese masses; fragments; moderately acid, pH 5.6, hellige-truog; gradual smooth boundary. Lab sample # MU013127. discontinuous - phpvsfiid 128055; discontinuous - phpvsfiid 128055
    Bt3—53 to 69 centimeters (20.9 to 27.2 inches); strong brown (7.5YR 4/6) silty clay loam; moderate very fine and fine subangular blocky structure; friable; 0.5 fine roots between peds; 40 percent distinct reddish brown (5YR 4/4) clay films on faces of peds; 5 percent fine and medium spherical iron-manganese masses; fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU013128. discontinuous - phpvsfiid 128056; discontinuous - phpvsfiid 128056
    Bt4—69 to 86 centimeters (27.2 to 33.9 inches); strong brown (7.5YR 4/6) silty clay loam; 1 percent yellowish brown (10YR 5/4) fine distinct mottles; moderate very fine and fine subangular blocky structure; friable; 0.5 fine roots between peds; 15 percent distinct yellowish red (5YR 4/6) clay films on faces of peds; 10 percent fine and medium irregular iron-manganese masses; 5 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU013129. discontinuous - phpvsfiid 128057; discontinuous - phpvsfiid 128057
    2Bt5—86 to 119 centimeters (33.9 to 46.9 inches); strong brown (7.5YR 5/6) extremely stony clay loam; 1 percent brown (10YR 5/3) fine distinct mottles; moderate fine and medium subangular blocky structure; firm; 0.5 fine roots in cracks; 4 percent prominent yellowish red (5YR 4/6) clay films on faces of peds; 25 percent fine and medium irregular iron-manganese masses; 15 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 15 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments and 50 percent by volume subangular 250-425-600 millimeter limestone, cherty fragments; strongly acid, pH 5.4, hellige-truog; abrupt smooth boundary. Lab sample # MU013130. discontinuous - phpvsfiid 128043; discontinuous - phpvsfiid 128043
    2Bt6—119 to 165 centimeters (46.9 to 65.0 inches); extremely stony clay; weak fine and medium subangular blocky structure; firm; 0.5 fine roots in cracks; 20 percent distinct strong brown (7.5YR 4/6) clay films on faces of peds; 25 percent fine and medium irregular iron-manganese masses; 10 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments and 20 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 60 percent by volume subrounded 250-425-600 millimeter limestone, cherty fragments; slightly acid, pH 6.1, hellige-truog; abrupt smooth boundary. Lab sample # MU013131. discontinuous - phpvsfiid 131007; discontinuous - phpvsfiid 131007
    2Cr—165 to 170 centimeters (65.0 to 66.9 inches); strong brown (7.5YR 4/6) and greenish gray (5GY 6/1) and very pale brown (10YR 7/3) extremely channery silty clay loam; 15 percent yellowish red (5YR 4/6) fine prominent mottles; massive; very firm; 90 percent by volume subangular 2-76-150 millimeter dolomite (dolostone) fragments; neutral, pH 7.2, hellige-truog; abrupt wavy boundary. Lab sample # MU013132
    2R—170 centimeters (66.9 inches); bedrock; fragments.