IDENTIFIERS

  • Current Taxon Name (Soil Name): Schriever
  • OSD
  • Series Extent
  • User Site ID: S2002LA095002
  • User Pedon ID: S2002LA095002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 02N0334
  • NCSS Pedon Lab Data NASIS Record ID - 14691
  • Print Date: 2/16/2025

    • 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: 30.0783272
  • Std. Longitude: -90.6562576
  • Datum: WGS84
  • Location Description: 0.5 mile east of St. John and St. James Parish line on La. Hwy. 61, then 3 miles north on woods trail, and 68 steps east of drainage ditch
  • Map Unit: Sm—Schriever clay, 0 to 1 percent slopes, frequently flooded
  • State: Louisiana
  • County: LA095—St. John the Baptist
  • MLRA: 131—Southern Mississippi Valley Alluvium
  • Regional Office: 7—Auburn, AL
  • Non-MLRA Soil Survey Area: LA095—St. John the Baptist Parish, Louisiana
  • 7.5 Minute USGS Quad: 30090-A6—Lutcher, Louisiana

    • PEDON

  • Describers Name: Doug Slabaugh
  • Current Taxonomic Class: Very-fine, smectitic, hyperthermic Chromic Epiaquerts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Schriever (flagged as OSD)
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/24/2004
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Schriever
  • Classificaton Date - 5/28/2002
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: yes


    • SITE

  • Parent Material: clayey alluvium
  • Landscape: delta plain
  • Landform: backswamp
  • Runoff: high
  • Drainage Class: poorly
  • Geology: Holocene Age Fluvial Sediments formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/28/2002 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • 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

    episaturation

    aquic conditions

    cambic horizon

    slickensides

    0—10

    0—38

    0—203

    10—203

    38—203

    —10—

    —38—

    —203—

    —193—

    —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

    0.5

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); dark gray (10YR 4/1) clay; weak medium angular blocky structure; firm, very sticky, very plastic; nonfluid; 10.0 very fine and fine roots; 1 percent fine distinct dark yellowish brown (10YR 4/4), moist, masses of oxidized iron on faces of peds; fragments; slightly acid, pH 6.2, pH meter; clear smooth boundary. Lab sample # 02N01634
    Bg—10 to 38 centimeters (3.9 to 15.0 inches); gray (10YR 5/1) clay; weak medium angular blocky structure; firm, very sticky, very plastic; nonfluid; 3.0 very fine and fine roots; 20 percent medium distinct irregular brown (7.5YR 4/4), moist, masses of oxidized iron on faces of peds; fragments; neutral, pH 6.7, pH meter; gradual smooth boundary. Lab sample # 02N01635
    Bssg—38 to 58 centimeters (15.0 to 22.8 inches); gray (2.5Y 5/1) clay; moderate medium prismatic parts to moderate medium subangular blocky structure; firm, very sticky, very plastic; nonfluid; 0.9 very fine roots; distinct slickensides (pedogenic); 1 percent fine distinct irregular very dark grayish brown (10YR 3/2), moist, manganese masses on faces of peds and 20 percent medium distinct irregular dark yellowish brown (10YR 4/4), moist, masses of oxidized iron on faces of peds; fragments; neutral, pH 7.3, pH meter; gradual smooth boundary. Lab sample # 02N01636
    Bkssg1—58 to 76 centimeters (22.8 to 29.9 inches); gray (2.5Y 5/1) clay; moderate medium prismatic parts to moderate medium subangular blocky structure; firm, very sticky, very plastic; nonfluid; distinct slickensides (pedogenic); 1 percent fine distinct irregular very dark grayish brown (10YR 3/2), moist, manganese masses on faces of peds and 5 percent fine and medium prominent irregular brown (7.5YR 4/4), moist, masses of oxidized iron on faces of peds and 20 percent medium distinct irregular dark yellowish brown (10YR 4/4), moist, masses of oxidized iron on faces of peds; 1 percent fine distinct light gray (10YR 7/1), moist, carbonate masses on slickensides; fragments; slightly alkaline, pH 7.4, pH meter; gradual smooth boundary. Lab sample # 02N01637
    Bkssg2—76 to 97 centimeters (29.9 to 38.2 inches); gray (2.5Y 5/1) clay; moderate medium prismatic parts to moderate medium subangular blocky structure; very firm, very sticky, very plastic; nonfluid; 0.9 very fine roots; distinct slickensides (pedogenic); 20 percent medium prominent irregular dark yellowish brown (10YR 4/6), moist, and yellowish brown (10YR 5/6), moist, masses of oxidized iron on faces of peds; 2 percent fine distinct light gray (10YR 7/1), moist, carbonate masses on slickensides; fragments; slightly alkaline, pH 7.6, pH meter; gradual smooth boundary. Lab sample # 02N01638
    Bkssg3—97 to 117 centimeters (38.2 to 46.1 inches); gray (2.5Y 5/1) clay; moderate medium prismatic parts to moderate medium subangular blocky structure; very firm, very sticky, very plastic; nonfluid; 0.9 very fine roots; distinct slickensides (pedogenic); 20 percent medium prominent irregular dark yellowish brown (10YR 4/6), moist, and yellowish brown (10YR 5/6), moist, masses of oxidized iron on faces of peds; 2 percent fine distinct light gray (10YR 7/1), moist, carbonate masses on slickensides; fragments; slightly alkaline, pH 7.6, pH meter; gradual wavy boundary. Lab sample # 02N01639
    B'ssg1—117 to 132 centimeters (46.1 to 52.0 inches); gray (2.5Y 5/1) clay; moderate medium prismatic parts to moderate medium subangular blocky structure; very firm, very sticky, very plastic; nonfluid; 0.9 very fine roots; distinct slickensides (pedogenic); 1 percent fine and medium prominent irregular brown (7.5YR 4/4), moist, masses of oxidized iron on slickensides and 20 percent medium prominent irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron on faces of peds; fragments; slightly alkaline, pH 7.6, pH meter; gradual wavy boundary. Lab sample # 02N01640
    B'ssg2—132 to 152 centimeters (52.0 to 59.8 inches); gray (2.5Y 5/1) clay; moderate medium prismatic parts to moderate medium subangular blocky structure; very firm, very sticky, very plastic; nonfluid; 0.9 very fine roots; distinct slickensides (pedogenic); 1 percent fine and medium prominent irregular brown (7.5YR 4/4), moist, masses of oxidized iron on slickensides and 20 percent medium prominent irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron on faces of peds; fragments; slightly alkaline, pH 7.8, pH meter; gradual wavy boundary. Lab sample # 02N01641
    B'ssg3—152 to 178 centimeters (59.8 to 70.1 inches); gray (5Y 5/1) clay; moderate medium prismatic parts to moderate medium subangular blocky structure; very firm, very sticky, very plastic; nonfluid; 0.9 very fine roots; distinct slickensides (pedogenic) and distinct dark gray (N 4/0), moist, organic stains on slickensides; 5 percent fine and medium prominent irregular brown (7.5YR 4/4), moist, masses of oxidized iron on slickensides and 20 percent fine and medium prominent irregular yellowish brown (10YR 5/4), moist, masses of oxidized iron throughout; fragments; slightly alkaline, pH 7.7, pH meter; gradual wavy boundary. Lab sample # 02N01642
    B'ssg4—178 to 203 centimeters (70.1 to 79.9 inches); gray (5Y 5/1) clay; moderate medium prismatic parts to moderate medium subangular blocky structure; very firm, very sticky, very plastic; nonfluid; 0.9 very fine roots; distinct slickensides (pedogenic) and distinct dark gray (N 4/0), moist, organic stains on slickensides; 5 percent fine and medium prominent irregular brown (7.5YR 4/4), moist, masses of oxidized iron on slickensides and 20 percent fine and medium prominent irregular yellowish brown (10YR 5/4), moist, masses of oxidized iron throughout; fragments; slightly alkaline, pH 7.5, pH meter. Lab sample # 02N01643