IDENTIFIERS

  • Current Taxon Name (Soil Name): Koury
  • OSD
  • Series Extent
  • User Site ID: S80-TX005-011
  • User Pedon ID: S80TX005011
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - TAMU
  • Lab Pedon # - S80TX005011
  • NCSS Pedon Lab Data NASIS Record ID - 45653
  • Print Date: 4/26/2025

    • 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: 31.0904312
  • Std. Longitude: -94.3138504
  • Datum: WGS84
  • Location Description: from intersection of US 69 and boykin springs road (forest service 302), 7.2 mi E, 0.35 mi SE across green creek floodplain.
  • Map Unit: Kp—Koury loam, frequently flooded
  • Country: US—United States
  • State: Texas
  • County: TX005—Angelina
  • MLRA: 133B—Western Coastal Plain
  • Regional Office: 16obsolete—Little Rock, AR
  • Non-MLRA Soil Survey Area: TX005—Angelina County, Texas

    • PEDON

  • Describers Name: Wilding,Hallmark,West,Brockmann,Fuchs,Holt,Gray,Zimmerman
  • Current Taxonomic Class: Coarse-silty, siliceous, superactive, thermic Oxyaquic Eutrudepts
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Koury
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/21/2012
  • Sampled As Information:
  • Soil Name - Koury
  • Classificaton Date - 8/13/1980
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Landscape: coastal plain
  • Landform: flood plain
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Geology: Alluvium member.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/13/1980 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    0—44

    44—70

    —-

    —-
    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

    —

    —

    —

    40

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 7 centimeters (0.0 to 2.8 inches); pale brown (10YR 6/3) silt loam; weak medium subangular blocky structure; slightly hard, very friable; 8.0 medium roots and 8.0 coarse roots; 3.0 fine pores; fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # TAMU911
    A2—7 to 25 centimeters (2.8 to 9.8 inches); pale brown (10YR 6/3) very fine sandy loam; weak medium subangular blocky structure; slightly hard, very friable; 8.0 medium roots and 8.0 fine roots; 3.0 fine pores; fragments; very strongly acid, pH 4.5, hellige-truog; clear wavy boundary. Lab sample # TAMU912
    A3—25 to 44 centimeters (9.8 to 17.3 inches); pale brown (10YR 6/3) loam; massive; slightly hard, very friable; 8.0 medium roots and 8.0 fine roots; 8.0 medium pores; fragments; very strongly acid, pH 4.5, hellige-truog; clear wavy boundary. Lab sample # TAMU913
    Bw—44 to 70 centimeters (17.3 to 27.6 inches); pale brown (10YR 6/3) silt loam; weak coarse subangular blocky structure; hard, friable; 3.0 medium roots and 3.0 fine roots; 3.0 fine pores; 10 percent medium faint light brownish gray (10YR 6/2), moist, iron depletions with diffuse boundaries in matrix and 10 percent medium distinct red (10R 5/6), moist, masses of oxidized iron with clear boundaries in matrix; fragments; very strongly acid, pH 4.5, hellige-truog; gradual wavy boundary. Lab sample # TAMU914
    Bg1—70 to 100 centimeters (27.6 to 39.4 inches); light brownish gray (10YR 6/2) silt loam; weak medium subangular blocky structure; hard, friable; 0.9 medium roots and 0.9 fine roots; 0.9 fine pores; 10 percent medium distinct yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; very strongly acid, pH 4.5, hellige-truog; gradual wavy boundary. Lab sample # TAMU915
    Bg2—100 to 126 centimeters (39.4 to 49.6 inches); light brownish gray (10YR 6/2) silt loam; weak medium subangular blocky structure; slightly hard, friable; 0.9 medium roots and 0.9 fine roots; 0.9 fine pores; 40 percent sand coats; 1 percent fine distinct yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; extremely acid, pH 4.0, hellige-truog; gradual wavy boundary. Lab sample # TAMU916
    Agb—126 to 158 centimeters (49.6 to 62.2 inches); dark grayish brown (10YR 4/2) silt loam; weak medium subangular blocky structure; slightly hard, friable; 0.9 fine roots; 0.9 fine pores; 75 percent sand coats; 10 percent medium distinct yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; extremely acid, pH 4.0, hellige-truog; gradual wavy boundary. Lab sample # TAMU917
    Bgb—158 to 178 centimeters (62.2 to 70.1 inches); dark grayish brown (10YR 4/2) silt loam; weak medium subangular blocky structure; slightly hard, friable; 0.9 fine roots; 0.9 fine pores; 15 percent sand coats; 10 percent medium distinct olive yellow (2.5Y 6/6), moist, masses of oxidized iron; fragments; extremely acid, pH 4.0, hellige-truog. Lab sample # TAMU918