IDENTIFIERS

  • Current Taxon Name (Soil Name): Gressy
  • OSD
  • Series Extent
  • User Site ID: 1993MO203016M
  • User Pedon ID: 1993MO203016M
  • User Site Association ID: 8633
  • Transect:
  • User Transect ID - shannon-78C1
  • Transect Stop Number - 1
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9361316
  • NCSS Pedon Lab Data NASIS Record ID - 31310
  • 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: 37.1267972
  • Std. Longitude: -91.3344556
  • Datum: WGS84
  • Township: T28N
  • Range: R4W
  • Section: 1
  • PLSS Details: 2200 feet W and 2200 feet S of the NE corner
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B3—Eminence, Missouri

    • PEDON

  • Describers Name: JDC, SV, JW, RLT
  • Current Taxonomic Class: Fine-loamy, siliceous, semiactive, mesic Typic Paleudalfs
  • 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 - Gressy
  • PSC - 18 to 68 cm.
  • Classificaton Date - 3/9/2020
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Courtois
  • Taxonomic Class - Fine, mixed, active, mesic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 18 to 68 cm.
  • Classificaton Date - 9/7/1993
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • Field Measured Properties: 36 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: loess and/or residuum
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/7/1993 (actual site observation date)
  • Air Photo ID: 14
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—18

    18—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

    4

    —

    —

    250

    —

    225

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 4/3) silt loam; moderate fine granular structure; friable; 7.0 very fine roots; 0.9 fine tubular pores; fragments; slightly acid, pH 6.5, hellige-truog; abrupt wavy boundary. Lab sample # MU049351
    Bt1—18 to 36 centimeters (7.1 to 14.2 inches); yellowish red (5YR 5/6) silt loam; 10 percent reddish brown (5YR 5/4) fine distinct mottles; moderate fine subangular blocky structure; friable; 7.0 fine roots; 3.0 fine tubular pores; 30 percent distinct brown (10YR 4/3), moist, organic stains throughout; fragments; neutral, pH 6.7, hellige-truog; clear wavy boundary. Lab sample # MU049352
    2Bt2—36 to 76 centimeters (14.2 to 29.9 inches); dark red (2.5YR 3/6) silty clay; 30 percent reddish brown (5YR 5/4) fine prominent mottles; moderate fine subangular blocky structure; firm; 3.0 fine roots; 0.9 fine tubular pores; 75 percent distinct dark red (10R 3/6), moist, clay films on faces of peds and 75 percent distinct yellowish red (5YR 5/6), moist, silt coats on faces of peds; 1 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; abrupt wavy boundary. Lab sample # MU049353
    2Bt3—76 to 97 centimeters (29.9 to 38.2 inches); dark red (2.5YR 3/6) silty clay; moderate medium subangular blocky structure; firm; 0.9 fine roots; 0.9 fine tubular pores; 30 percent distinct gray (5YR 6/1), moist, silt coats on faces of peds and 75 percent distinct dark reddish brown (2.5YR 3/4), moist, clay films on faces of peds and in pores; 10 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; abrupt wavy boundary. Lab sample # MU049354
    2Bt4—97 to 178 centimeters (38.2 to 70.1 inches); dark red (2.5YR 3/6) very gravelly clay; moderate fine subangular blocky structure; firm; 0.9 fine tubular pores; 10 percent prominent weak red (2.5YR 4/2), moist, clay films on faces of peds and in pores and 75 percent distinct dark red (2.5YR 3/6), moist, clay films on faces of peds; 45 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; extremely acid, pH 4.4, hellige-truog; clear wavy boundary. Lab sample # MU049355
    2Bt5—178 to 203 centimeters (70.1 to 79.9 inches); dark red (2.5YR 3/6) gravelly clay; moderate fine angular blocky structure; firm; 0.9 fine tubular pores; 5 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 20 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; extremely acid, pH 4.0, hellige-truog. Lab sample # MU64716