IDENTIFIERS

  • Current Taxon Name (Soil Name): LETA
  • OSD
  • Series Extent
  • User Site ID: 1989MO053006
  • User Pedon ID: 1989MO053006
  • Vegetation Plot ID: 1989MO053006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M8905306
  • NCSS Pedon Lab Data NASIS Record ID - 29568
  • Print Date: 3/2/2025

    • 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: 38.9488611
  • Std. Longitude: -92.5473056
  • Datum: WGS84
  • Township: T48N
  • Range: R15W
  • Section: 3
  • PLSS Details: 1,857 feet East and 2,645 feet North from the South West corner
  • Location Description: South of the Missouri River
  • Country: US—United States
  • State: Missouri
  • County: MO053—Cooper
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO053—Cooper County, Missouri
  • 7.5 Minute USGS Quad: 38092-H5—Rocheport, Missouri

    • PEDON

  • Describers Name: J L Baker, Greg Caldwell, David Skaer, Aaron Woods
  • Current Taxonomic Class: Fine, smectitic, mesic Fluvaquentic Hapludolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - LETA
  • 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 - LETA
  • Classificaton Date - 2/10/1989
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey alluvium derived from mixed over loamy alluvium derived from aa lava
  • 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: concave
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/10/1989 (actual site observation date)
  • Air Photo ID: 38092h5ne
  • 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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ZEMA

    Zea mays

    corn

    —

    —

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    0—43

    —43—
    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

    —

    —

    176.5

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; silt loam; weak fine granular structure; friable; 0.5 very fine roots; fragments; abrupt smooth boundary. Lab sample # MU035014; observed in push tube
    A—23 to 43 centimeters (9.1 to 16.9 inches); dark brown (10YR 3/3) broken face, grayish brown (10YR 5/2) broken face, dry; silt loam; weak fine subangular blocky structure; firm; 0.5 very fine roots; 70 percent prominent very dark gray (10YR 3/1), moist, organic stains on all faces of peds; fragments; clear smooth boundary. Lab sample # MU035015; observed in push tube
    Bw1—43 to 58 centimeters (16.9 to 22.8 inches); dark grayish brown (2.5Y 4/2) broken face silty clay loam; strong fine angular blocky structure; firm; 0.5 very fine roots; 12 percent distinct organic stains on all faces of peds and 35 percent distinct pressure faces; fragments; gradual smooth boundary. Lab sample # MU035016; observed in push tube
    Bw2—58 to 91 centimeters (22.8 to 35.8 inches); dark grayish brown (2.5Y 4/2) broken face silty clay; strong fine angular blocky structure; very firm; 0.5 very fine roots; 70 percent prominent pressure faces; fragments; abrupt smooth boundary. Lab sample # MU035017; observed in push tube
    C—91 to 152 centimeters (35.8 to 59.8 inches); 50 percent grayish brown (2.5Y 5/2) broken face, 50 percent brown (10YR 5/3) broken face, dry; very fine sandy loam; massive; very friable; 0.5 very fine roots; fragments.; observed in push tube