IDENTIFIERS

  • Current Taxon Name (Soil Name): LETA
  • OSD
  • Series Extent
  • User Site ID: 2008MO087004
  • User Pedon ID: 2008MO087004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0808704
  • NCSS Pedon Lab Data NASIS Record ID - 25679
  • 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: 39.9063056
  • Std. Longitude: -95.1796111
  • 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: Larry Gray, Kim Worth
  • Current Taxonomic Class: Clayey over loamy, smectitic, mesic Fluvaquentic Endoaquolls
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 4
  • 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: somewhat 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

    reduced matrix

    redox depletions with chroma 2 or less

    0—43

    0—203

    20—58

    58—203

    58—203

    —43—

    —203—

    —38—

    —145—

    —145—
    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); very dark grayish brown (10YR 3/2) crushed Error; moderate medium angular blocky structure; firm; 3.0 very fine roots throughout and 3.0 fine roots throughout; 0.5 very fine moderate-continuity tubular pores; 1 percent medium faint irregular noncoherent cemented dark brown (7.5YR 3/4), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU004107; observed in pit, small
    Bw1—20 to 43 centimeters (7.9 to 16.9 inches); very dark grayish brown (10YR 3/2) broken face Error; moderate fine subangular blocky structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 very fine moderate-continuity tubular pores; 1 percent medium faint irregular noncoherent cemented dark brown (7.5YR 3/4), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU004108; observed in pit, small
    Bw2—43 to 58 centimeters (16.9 to 22.8 inches); 60 percent very dark grayish brown (2.5Y 3/2) broken face and 40 percent dark grayish brown (2.5Y 4/2) broken face Error; moderate medium subangular blocky structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 12 percent faint very dark grayish brown (10YR 3/2), moist, clay films on vertical faces of peds and 35 percent faint very dark grayish brown (10YR 3/2), moist, pressure faces on all faces of peds; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/4), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU004109; observed in pit, small
    C1—58 to 81 centimeters (22.8 to 31.9 inches); dark grayish brown (2.5Y 4/2) broken face Error; weak medium subangular blocky structure; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 very fine moderate-continuity 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; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU004110; observed in pit, small
    C2—81 to 112 centimeters (31.9 to 44.1 inches); dark grayish brown (2.5Y 4/2) broken face Error; weak coarse subangular blocky structure; friable; 1 percent medium faint irregular noncoherent cemented brown (10YR 4/3), 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; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # MU004111; observed in pit, small
    C3—112 to 152 centimeters (44.1 to 59.8 inches); dark grayish brown (2.5Y 4/2) broken face Error; weak fine subangular blocky, and moderate fine platy structure; friable; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/4), 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 # MU004112; observed in pit, small
    C4—152 to 203 centimeters (59.8 to 79.9 inches); light olive brown (2.5Y 5/3) broken face Error; massive; friable; fragments; slight effervescence, by hcl, 1n.; observed in pit, small