IDENTIFIERS

  • Current Taxon Name (Soil Name): GILLIAM
  • OSD
  • Series Extent
  • User Site ID: 2007MO183010
  • User Pedon ID: 2007MO183010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0718310
  • NCSS Pedon Lab Data NASIS Record ID - 25502
  • Print Date: 11/27/2024
  • 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: 38.7042222
  • Std. Longitude: -90.5788056
  • Datum: WGS84
  • PLSS Details: 1,067 feet East and 2,923 feet South from the North West corner of Survey 312,
  • Country: US—United States
  • State: Missouri
  • County: MO183—St. Charles
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO183—St. Charles County, Missouri
  • 7.5 Minute USGS Quad: 38090-F5—Chesterfield, Missouri
  • PEDON

  • Describers Name: Ralph Tucker
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Fluvaquentic Hapludolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 10
  • Sampled As Information:
  • Soil Name - GILLIAM
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Fluvaquentic Hapludolls
  • PSC - 25 to 102 cm.
  • Classificaton Date - 6/11/2007
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: fine-silty alluvium derived from mixed
  • Landscape: river valley
  • Landform: flood plain
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/11/2007 (actual site observation date)
  • Air Photo ID: 38090f5nw
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • 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

    0—30

    30—107

    —30—

    —77—

    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

    139

    0

    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) broken face silty clay loam; weak fine subangular blocky structure; friable; 10.0 fine roots; 3.0 very fine tubular pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # MU002853; observed in push tube
    A—15 to 30 centimeters (5.9 to 11.8 inches); dark brown (10YR 3/3) broken face silt loam; weak fine subangular blocky structure; friable; 10.0 fine roots; 3.0 very fine tubular pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU002854; observed in push tube
    Bw1—30 to 53 centimeters (11.8 to 20.9 inches); dark grayish brown (10YR 4/2) broken face silt loam; weak fine subangular blocky structure; friable; 10.0 fine roots; 3.0 very fine tubular pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU002855; observed in push tube
    Bw2—53 to 81 centimeters (20.9 to 31.9 inches); dark grayish brown (10YR 4/2) broken face silt loam; weak fine subangular blocky structure; friable; 10.0 fine roots; 3.0 very 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 grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU002856; observed in push tube
    Bw3—81 to 107 centimeters (31.9 to 42.1 inches); dark grayish brown (10YR 4/2) broken face silty clay loam; weak fine subangular blocky structure; friable; 10.0 fine roots; 0.5 very 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 grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # MU002857; observed in push tube
    C1—107 to 119 centimeters (42.1 to 46.9 inches); light olive brown (2.5Y 5/3) broken face stratified loamy fine sand; loose; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # MU002858; observed in push tube
    C2—119 to 183 centimeters (46.9 to 72.0 inches); dark grayish brown (2.5Y 4/2) broken face stratified stratified very fine sandy loam to silt loam; friable; 0.5 very fine tubular pores; 1 percent medium faint irregular noncoherent cemented gray (2.5Y 5/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; violent effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # MU002859; observed in push tube
    C3—183 to 216 centimeters (72.0 to 85.0 inches); dark grayish brown (2.5Y 4/2) broken face stratified very fine sandy loam; very friable; 0.5 very fine tubular pores; fragments; violent effervescence, by hcl, 1n. Lab sample # MU002860; observed in push tube