IDENTIFIERS

  • Current Taxon Name (Soil Name): Peers
  • OSD
  • Series Extent
  • User Site ID: 2007MO189007
  • User Pedon ID: 2007MO189007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0718907
  • NCSS Pedon Lab Data NASIS Record ID - 25506
  • Print Date: 11/26/2024

    • 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: 38.8220833
  • Std. Longitude: -90.1542778
  • Datum: WGS84
  • PLSS Details: 8,370 feet East and 2,615 feet North from the South West corner of Survey 1958,
  • Country: US—United States
  • State: Missouri
  • County: MO189—St. Louis
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO189—St. Louis County and St. Louis City, Missouri
  • 7.5 Minute USGS Quad: 38090-G2—Columbia Bottom, Missouri

    • PEDON

  • Describers Name: Grant Butler, John Horton
  • Current Taxonomic Class: Fine-silty over clayey, mixed, superactive, mesic Fluvaquentic Hapludolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - Peers
  • PSC - 25 to 102 cm.
  • Classificaton Date - 2/1/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - GILLIAM
  • Classificaton Date - 4/10/2007
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-silty alluvium derived from mixed over clayey alluvium derived from mixed
  • Landscape: river valley
  • Landform: flood-plain step
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Flooding: occasional flooding for long periods
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/10/2007 (actual site observation date)
  • Air Photo ID: 38090g2ne
  • Surface Water Kind: flooded
  • Surface Water Depth: 15
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion gully
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    aquic conditions

    strongly contrasting particle size class

    0—56

    33—218

    56—

    91—

    —56—

    —185—

    —1—

    —1—
    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

    1

    —

    —

    127.1

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 15 centimeters (0.0 to 5.9 inches); 50 percent very dark gray (10YR 3/1) broken face and 50 percent very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; silt loam; weak fine subangular blocky structure; friable; 10.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # MU002883; observed in push tube
    Ap2—15 to 33 centimeters (5.9 to 13.0 inches); 70 percent very dark gray (10YR 3/1) broken face and 30 percent very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; silt loam; weak fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular and 0.5 medium and 3.0 fine tubular pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # MU002884; observed in push tube
    Bw1—33 to 56 centimeters (13.0 to 22.0 inches); 60 percent very dark gray (10YR 3/1) broken face and 40 percent dark grayish brown (10YR 4/2) broken face, grayish brown (10YR 5/2) broken face, dry; silt loam; weak fine and medium subangular blocky structure; friable; 3.0 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine tubular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    Bw2—56 to 91 centimeters (22.0 to 35.8 inches); 80 percent dark grayish brown (10YR 4/2) broken face and 20 percent very dark grayish brown (10YR 3/2) broken face silt loam; weak fine and medium subangular blocky structure; friable; 3.0 very fine roots throughout; 3.0 very fine tubular and 0.5 fine tubular pores; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark gray (10YR 4/1), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    Bw3—91 to 119 centimeters (35.8 to 46.9 inches); 80 percent dark grayish brown (10YR 4/2) broken face and 20 percent brown (10YR 5/3) broken face silty clay; moderate fine and medium subangular blocky structure; firm; 3.0 very fine roots throughout; 3.0 very fine tubular and 0.5 medium tubular and 0.5 fine tubular pores; 20 percent dark grayish brown (10YR 4/2), moist, pressure faces on all faces of peds; 1 percent medium faint irregular noncoherent cemented brown (7.5YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark gray (5Y 4/1), moist, iron depletions with clear boundaries in matrix; fragments; very slight effervescence, by hcl, 1n; gradual wavy boundary.; observed in push tube
    Bg1—119 to 168 centimeters (46.9 to 66.1 inches); dark grayish brown (2.5Y 4/2) broken face silty clay loam; weak medium subangular blocky structure; firm; 0.5 very fine roots throughout; 3.0 very fine tubular and 0.5 medium tubular and 0.5 fine tubular pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented gray (10YR 5/1), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU002888; observed in push tube
    Bg2—168 to 185 centimeters (66.1 to 72.8 inches); 70 percent grayish brown (2.5Y 5/2) broken face and 30 percent dark gray (2.5Y 4/1) broken face silt loam; weak fine and medium subangular blocky structure; friable; 0.5 very fine roots throughout; 3.0 very fine tubular and 0.5 fine tubular pores; 1 percent medium faint irregular noncoherent cemented brown (7.5YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented gray (5Y 5/1), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU002889; observed in push tube
    Bg3—185 to 218 centimeters (72.8 to 85.8 inches); 70 percent grayish brown (2.5Y 5/2) broken face and 30 percent light olive brown (2.5Y 5/3) broken face silty clay; moderate fine and medium angular blocky structure; firm; 0.5 very fine tubular and 0.5 fine tubular pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented gray (5Y 5/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/4), moist, iron depletions with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n. Lab sample # MU002890; observed in push tube