IDENTIFIERS

  • Current Taxon Name (Soil Name): WALDRON
  • OSD
  • Series Extent
  • User Site ID: 2007MO027030
  • User Pedon ID: 2007MO027030
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0702730
  • NCSS Pedon Lab Data NASIS Record ID - 26265
  • Print Date: 2/16/2025

    • 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: 38.6372778
  • Std. Longitude: -91.9259722
  • Datum: WGS84
  • Township: T45N
  • Range: R9W
  • Section: 27
  • PLSS Details: 2,143 feet East and 219 feet South from the South West corner
  • Country: US—United States
  • State: Missouri
  • County: MO027—Callaway
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO027—Callaway County, Missouri
  • 7.5 Minute USGS Quad: 38091-F8—Mokane West, Missouri

    • PEDON

  • Describers Name: Keith Knelle, John Horton
  • Current Taxonomic Class: Fine, smectitic, mesic Cumulic Vertic Endoaquolls
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 30
  • Sampled As Information:
  • Soil Name - WALDRON
  • Taxonomic Class - Fine, smectitic, mesic Cumulic Vertic Endoaquolls
  • PSC - 25 to 102 cm.
  • Classificaton Date - 5/10/2007
  • Soil Taxonomic Edition - ninth 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 step
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: negligible
  • Drainage Class: poorly
  • Flooding: rare flooding for brief periods
  • Ponding: occasional ponding for brief periods
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/10/2007 (actual site observation date)
  • Air Photo ID: 38091f8se
  • 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 gully
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    0—84

    84—203

    —84—

    —119—
    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

    0.5

    —

    —

    164.9

    —

    45

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark gray (10YR 3/1) broken face silty clay; moderate fine and medium subangular blocky structure; firm; 3.0 fine roots throughout; 0.5 fine tubular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU008304; observed in push tube
    A1—23 to 41 centimeters (9.1 to 16.1 inches); very dark gray (10YR 3/1) broken face silty clay; moderate fine subangular blocky structure; firm; 3.0 fine roots throughout; 0.5 fine tubular pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # MU008305; observed in push tube
    A2—41 to 69 centimeters (16.1 to 27.2 inches); 70 percent very dark gray (10YR 3/1) broken face and 30 percent very dark grayish brown (10YR 3/2) broken face silty clay; moderate fine and medium subangular blocky structure; very firm; 0.5 fine roots throughout; 0.5 fine vesicular and 0.5 fine tubular pores; 35 percent prominent very dark gray (10YR 3/1), moist, pressure faces on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # MU008306; observed in push tube
    Bg1—69 to 84 centimeters (27.2 to 33.1 inches); 80 percent very dark grayish brown (10YR 3/2) broken face and 20 percent dark grayish brown (10YR 4/2) broken face silty clay; moderate fine subangular blocky, and moderate fine angular blocky structure; very firm; 0.5 very fine roots throughout; 0.5 fine vesicular and 0.5 fine tubular pores; 35 percent prominent very dark grayish brown (10YR 3/2), moist, pressure faces on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU008307; observed in push tube
    Bg2—84 to 104 centimeters (33.1 to 40.9 inches); 50 percent dark grayish brown (2.5Y 4/2) broken face and 50 percent olive brown (2.5Y 4/3) broken face silty clay; moderate medium angular blocky structure; very firm; 0.5 fine vesicular and 0.5 fine tubular pores; 35 percent prominent olive brown (2.5Y 4/3), moist, pressure faces on all faces of peds; 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 strong brown (7.5YR 5/8), 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; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # MU008308; observed in push tube
    Bg3—104 to 152 centimeters (40.9 to 59.8 inches); 50 percent dark grayish brown (2.5Y 4/2) broken face and 50 percent olive brown (2.5Y 4/3) broken face silty clay; moderate medium angular blocky structure; very firm; 3.0 medium tubular and 3.0 fine tubular pores; 35 percent prominent olive brown (2.5Y 4/3), moist, pressure faces on all faces of peds; 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 black (10YR 2/1), 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; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU008309; observed in push tube
    Cg4—152 to 203 centimeters (59.8 to 79.9 inches); 50 percent dark grayish brown (10YR 4/2) broken face and 50 percent brown (10YR 4/3) broken face silt loam; massive; friable; 3.0 fine tubular pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), 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 and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n. Lab sample # MU008310; observed in push tube