IDENTIFIERS

  • Current Taxon Name (Soil Name): LETA
  • OSD
  • Series Extent
  • User Site ID: 1990MO053025
  • User Pedon ID: 1990MO053025
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9005325
  • NCSS Pedon Lab Data NASIS Record ID - 29338
  • 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: 38.9352500
  • Std. Longitude: -92.5418889
  • Datum: WGS84
  • Township: T48N
  • Range: R15W
  • Section: 10
  • PLSS Details: 1,929 feet West and 1,975 feet South from the North East corner
  • 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 #: 25
  • Correlated Information:
  • Soil Name - LETA
  • PSC - 25 to 102 cm.
  • Classificaton Date - 4/11/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - LETA
  • Classificaton Date - 7/25/1990
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • 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: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/25/1990 (actual site observation date)
  • Air Photo ID: 38092h5se
  • 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

    lithologic discontinuity

    0—30

    127—152

    —30—

    —25—

    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

    177.4

    0

    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark grayish brown (10YR 3/2) broken face, dark grayish brown (10YR 4/2) broken face, dry; silty clay loam; moderate fine granular structure; firm; 3.0 very fine roots; fragments; abrupt smooth boundary. Lab sample # MU037558; observed in push tube
    A—23 to 30 centimeters (9.1 to 11.8 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; silty clay; moderate fine subangular blocky structure; firm; 3.0 very fine roots; fragments; clear smooth boundary. Lab sample # MU037559; observed in push tube
    Bw1—30 to 58 centimeters (11.8 to 22.8 inches); dark grayish brown (2.5Y 4/2) broken face silty clay; moderate very fine subangular blocky structure; very firm; 0.5 very fine roots; 12 percent distinct pressure faces and 12 percent distinct organic stains on all faces of peds; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU037560; observed in push tube
    Bw2—58 to 79 centimeters (22.8 to 31.1 inches); dark grayish brown (2.5Y 4/2) broken face silty clay loam; moderate fine subangular blocky structure; firm; 0.5 very fine roots; 12 percent prominent pressure faces and 12 percent distinct organic stains on all faces of peds; fragments; clear smooth boundary. Lab sample # MU037561; observed in push tube
    Bw3—79 to 112 centimeters (31.1 to 44.1 inches); dark grayish brown (10YR 4/2) broken face silty clay; strong very fine subangular blocky structure; very firm; 0.5 very fine roots; 12 percent distinct pressure faces; fragments; gradual smooth boundary. Lab sample # MU037562; observed in push tube
    Bw4—112 to 127 centimeters (44.1 to 50.0 inches); dark grayish brown (2.5Y 4/2) broken face silty clay loam; weak fine subangular blocky structure; firm; 0.5 very fine roots; fragments; gradual smooth boundary. Lab sample # MU037563; observed in push tube
    C—127 to 152 centimeters (50.0 to 59.8 inches); 50 percent dark grayish brown (2.5Y 4/2) broken face and 50 percent dark grayish brown (10YR 4/2) broken face clay loam; massive; firm; fragments.; observed in push tube