IDENTIFIERS

  • Current Taxon Name (Soil Name): LETA
  • OSD
  • Series Extent
  • User Site ID: 2008MO087005
  • User Pedon ID: 2008MO087005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0808705
  • NCSS Pedon Lab Data NASIS Record ID - 25681
  • Print Date: 4/22/2025
  • 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: 39.9043889
  • Std. Longitude: -95.1881944
  • Datum: WGS84
  • Country: US—United States
  • State: Missouri
  • County: MO087—Holt
  • MLRA: 107—Iowa and Missouri Deep Loess Hills
  • Non-MLRA Soil Survey Area: MO087—Holt County, Missouri
  • 7.5 Minute USGS Quad: 39095-H2—Oregon, Missouri
  • PEDON

  • Describers Name: Kim Worth, Dennis Meinert
  • Current Taxonomic Class: Clayey over loamy, smectitic, mesic Fluvaquentic Endoaquolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 5
  • Sampled As Information:
  • Soil Name - LETA
  • Taxonomic Class - Clayey over loamy, smectitic, mesic Fluvaquentic Endoaquolls
  • PSC - 25 to 102 cm.
  • Classificaton Date - 7/1/2008
  • Soil Taxonomic Edition - first edition
  • Moisture Class - aquic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: clayey 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: linear
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: poorly
  • Flooding: frequent flooding for brief periods begining in mar
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/2008 (actual site observation date)
  • Air Photo ID: 39095h2
  • 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 sheet
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    redox concentrations

    cambic horizon

    redox depletions with chroma 2 or less

    reduced matrix

    0—91

    0—203

    20—91

    61—203

    91—203

    —91—

    —203—

    —71—

    —142—

    —112—

    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

    834.8

    0

    Ap—0 to 20 centimeters (0.0 to 7.9 inches); 90 percent very dark gray (10YR 3/1) crushed and 10 percent brown (10YR 5/3) crushed silty clay; 41 percent clay; moderate medium subangular blocky structure; firm; 0.5 very fine roots throughout; 0.5 very fine moderate-continuity tubular pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # MU004121; observed in pit, small
    Bw1—20 to 43 centimeters (7.9 to 16.9 inches); very dark gray (2.5Y 3/1) broken face silty clay; 46 percent clay; moderate fine angular blocky structure; firm; 0.5 very fine roots throughout; 0.5 very fine moderate-continuity tubular pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # MU004122; observed in pit, small
    Bw2—43 to 61 centimeters (16.9 to 24.0 inches); 60 percent very dark grayish brown (2.5Y 3/2) broken face and 40 percent black (2.5Y 2.5/1) broken face silty clay; 49 percent clay; moderate fine angular blocky structure; firm; 0.5 very fine roots throughout; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU004123; observed in pit, small
    Bw3—61 to 91 centimeters (24.0 to 35.8 inches); 90 percent very dark grayish brown (2.5Y 3/2) broken face and 10 percent very dark gray (2.5Y 3/1) broken face silty clay; 42 percent clay; weak medium subangular blocky structure; firm; 0.5 very fine roots throughout; 0.5 fine moderate-continuity 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 dark gray (10YR 4/1), moist, iron depletions with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU004124; observed in pit, small
    BC—91 to 114 centimeters (35.8 to 44.9 inches); 70 percent dark grayish brown (2.5Y 4/2) broken face and 30 percent very dark gray (2.5Y 3/1) broken face silt loam; 25 percent clay; moderate fine subangular blocky structure; friable; 0.5 medium moderate-continuity tubular pores; 1 percent medium faint irregular noncoherent cemented grayish brown (2.5Y 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # MU004125; observed in pit, small
    C1—114 to 155 centimeters (44.9 to 61.0 inches); dark grayish brown (2.5Y 4/2) broken face very fine sandy loam; 12 percent clay; massive; friable; 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 grayish brown (2.5Y 5/2), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # MU004126; observed in pit, small
    C2—155 to 224 centimeters (61.0 to 88.2 inches); dark gray (2.5Y 4/1) broken face loam; 18 percent clay; massive; friable; 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 reddish brown (5YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented grayish brown (2.5Y 5/2), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n. Lab sample # MU004127; observed in pit, small