IDENTIFIERS

  • Current Taxon Name (Soil Name): Treloar
  • OSD
  • Series Extent
  • User Site ID: 2009MO183002
  • User Pedon ID: 2009MO183002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0918302
  • NCSS Pedon Lab Data NASIS Record ID - 26178
  • Print Date: 11/24/2024
  • 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: 38.8321944
  • Std. Longitude: -90.1764167
  • Datum: WGS84
  • 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-G2—Columbia Bottom, Missouri
  • PEDON

  • Describers Name: Grant Butler, Mike Cook, Ralph Tucker
  • Current Taxonomic Class: Sandy over loamy, mixed, superactive, calcareous, mesic Oxyaquic Udifluvents
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 302
  • Correlated Information:
  • Soil Name - Treloar
  • PSC - 25 to 102 cm.
  • Classificaton Date - 2/1/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - aquic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Treloar
  • Classificaton Date - 6/18/2009
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: sandy alluvium derived from mixed over loamy alluvium derived from mixed
  • Landscape: river valley
  • Landform: flood-plain step
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: moderately well
  • Flooding: occasional flooding for long periods
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/18/2009 (actual site observation date)
  • Air Photo ID: 38090g2
  • Surface Water Kind: flooded
  • Surface Water Depth: 15
  • 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
  • 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

    127.4

    0

    Ap—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) interior, grayish brown (10YR 5/2) interior, dry; fine sandy loam; moderate very fine and fine subangular blocky structure; very friable; 3.0 very fine roots throughout; 3.0 very fine tubular pores; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # MU007705; observed in push tube
    C1—10 to 71 centimeters (3.9 to 28.0 inches); 90 percent dark grayish brown (10YR 4/2) interior and 10 percent light brownish gray (10YR 6/2) interior fine sand; massive; very friable; 0.5 fine roots throughout; 3.0 very fine tubular pores; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU007706; observed in push tube
    2Ab—71 to 119 centimeters (28.0 to 46.9 inches); 70 percent very dark grayish brown (10YR 3/2) interior and 30 percent dark grayish brown (10YR 4/2) interior silt loam; moderate very fine and fine subangular blocky structure; friable; 0.5 fine roots throughout; 0.5 very fine tubular pores; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # MU007707; observed in push tube
    2C2—119 to 145 centimeters (46.9 to 57.1 inches); 60 percent light olive brown (2.5Y 5/3) interior and 40 percent dark grayish brown (2.5Y 4/2) interior stratified very fine sandy loam; massive; very friable; 0.5 very fine tubular pores; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    2C3—145 to 208 centimeters (57.1 to 81.9 inches); 90 percent dark grayish brown (10YR 4/2) interior and 10 percent very dark grayish brown (10YR 3/2) interior stratified very fine sandy loam; massive; very friable; 3.0 very fine tubular pores; 1 percent medium faint irregular noncoherent cemented dark gray (10YR 4/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n.; observed in push tube