IDENTIFIERS

  • Current Taxon Name (Soil Name): BLACKOAR
  • OSD
  • Series Extent
  • User Site ID: 2004MO111051
  • User Pedon ID: 2004MO111051
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0411151
  • NCSS Pedon Lab Data NASIS Record ID - 25211
  • Print Date: 1/30/2025

    • 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: 40.2036111
  • Std. Longitude: -91.8391667
  • Datum: WGS84
  • Township: T62N
  • Range: R9W
  • Section: 1
  • PLSS Details: 1189 feet and 2982 feet from the North East corner
  • Country: US—United States
  • State: Missouri
  • County: MO111—Lewis
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO111—Lewis County, Missouri
  • 7.5 Minute USGS Quad: 40091-B7—Williamstown, Missouri

    • PEDON

  • Describers Name: Greg Caldwell, David Dowdy, Wesley Simmons
  • Current Taxonomic Class: Coarse-silty, mixed, superactive, mesic Dystric Fluventic Eutrudepts
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 51
  • Sampled As Information:
  • Soil Name - BLACKOAR
  • Taxonomic Class - Coarse-silty, mixed, superactive, mesic Dystric Fluventic Eutrudepts
  • PSC - 25 to 102 cm.
  • Classificaton Date - 2/24/2004
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: coarse-silty alluvium derived from mixed
  • Landscape: alluvial plain
  • Landform: alluvial flat
  • Geomorphic Component Flats: flat
  • Hill Slope Profile: toeslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: negligible
  • Drainage Class: well
  • Flooding: frequent flooding for extremely brief periods
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/24/2004 (actual site observation date)
  • Air Photo ID: 40091b7nw
  • Surface Water Kind: flooded
  • Surface Water Depth: 15
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: landslip erosion highly deformed
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    0—84

    84—119

    —84—

    —35—
    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

    2

    —

    —

    180.4

    —

    101

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 58 centimeters (0.0 to 22.8 inches); dark grayish brown (10YR 4/2) rubbed silt loam; 27 percent sand; 57 percent silt; 17 percent clay; weak fine subangular blocky structure; friable; 0.5 medium roots throughout and 10.0 fine roots throughout; 0.5 fine tubular and 10.0 fine tubular pores; 40 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; fragments; clear smooth boundary. Lab sample # MU000581; observed in push tube
    Ab—58 to 84 centimeters (22.8 to 33.1 inches); dark grayish brown (10YR 4/2) rubbed loam; 38 percent sand; 48 percent silt; 14 percent clay; weak fine subangular blocky structure; friable; 10.0 fine roots throughout; 10.0 fine tubular pores; 80 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; fragments; gradual smooth boundary. Lab sample # MU000583; observed in push tube
    Bwb—84 to 119 centimeters (33.1 to 46.9 inches); brown (10YR 4/3) broken face loam; 52 percent sand; 37 percent silt; 11 percent clay; weak fine subangular blocky structure; friable; 10.0 fine roots throughout; 10.0 fine tubular pores; 20 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; fragments; clear smooth boundary. Lab sample # MU000584; observed in push tube
    2C1—119 to 183 centimeters (46.9 to 72.0 inches); brown (10YR 4/3) broken face fine sandy loam; 68 percent sand; 24 percent silt; 8 percent clay; massive; loose; 0.5 fine roots throughout; 10.0 fine tubular pores; fragments; gradual smooth boundary. Lab sample # MU000586; observed in push tube
    2C2—183 to 203 centimeters (72.0 to 79.9 inches); dark yellowish brown (10YR 3/4) broken face sand; 88 percent sand; 8 percent silt; 4 percent clay; massive; loose; 10.0 fine tubular pores; fragments; gradual smooth boundary. Lab sample # MU000588; observed in push tube