IDENTIFIERS

  • Current Taxon Name (Soil Name): Melvin
  • OSD
  • Series Extent
  • User Site ID: 1997MO223189M
  • User Pedon ID: 1997MO223189M
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9722345
  • NCSS Pedon Lab Data NASIS Record ID - 32011
  • Print Date: 12/7/2025
  • 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: 36.9684181
  • Std. Longitude: -90.5605392
  • Datum: WGS84
  • Map Unit: 66054—Wakeland silt loam, 0 to 2 percent slopes, frequently flooded72—Wakeland silt loam, 0 to 3 percent slopes, frequently flooded
  • State: Missouri
  • County: MO223—Wayne
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO223—Wayne County, Missouri
  • 7.5 Minute USGS Quad: 36090-H5—Williamsville, Missouri
  • PEDON

  • Describers Name: RT and KG
  • Current Taxonomic Class: Fine-silty, mixed, active, nonacid, mesic Fluvaquentic Endoaquepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Melvin
  • PSC - 25 to 100 cm.
  • Classificaton Date - 3/31/2021
  • Sampled As Information:
  • Soil Name - Wilbur
  • Taxonomic Class - Coarse-silty, mixed, superactive, mesic Fluvaquentic Eutrudepts
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 11/17/1997
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: alluvium derived from mixed
  • Landscape: river valley
  • Landform: stream terrace
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Flooding: occasional flooding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/17/1997 (actual site observation date)
  • Air Photo ID: C5
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    aquic conditions

    0—23

    23—213

    64—213

    —-

    —-

    —-

    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

    119

    Ap—0 to 23 centimeters (0.0 to 9.1 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; moderate very fine and fine subangular blocky structure; very friable; 20 percent dark brown (7.5YR 3/4) masses of oxidized iron and 20 percent black (10YR 2/1) iron-manganese masses; fragments. Lab sample # MU059217
    Bw1—23 to 43 centimeters (9.1 to 16.9 inches); yellowish brown (10YR 5/4) silt loam; moderate very fine and fine subangular blocky structure; friable; 20 percent dark brown (7.5YR 3/4) masses of oxidized iron and 20 percent black (10YR 2/1) iron-manganese masses; fragments. Lab sample # MU059218
    Bw2—43 to 64 centimeters (16.9 to 25.2 inches); yellowish brown (10YR 5/6) silt loam; moderate very fine and fine subangular blocky structure; friable; 5 percent fine gray (10YR 6/1) clay bodies; fragments. Lab sample # MU059219
    Bwg1—64 to 102 centimeters (25.2 to 40.2 inches); 60 percent gray (10YR 6/1) and 40 percent yellowish brown (10YR 5/4) silt loam; moderate very fine and fine subangular blocky structure; friable; 5 percent fine black (10YR 2/1) iron-manganese masses and 20 percent medium dark brown (7.5YR 3/4) masses of oxidized iron; fragments. Lab sample # MU059220
    Bwg2—102 to 132 centimeters (40.2 to 52.0 inches); 50 percent gray (10YR 6/1) and 50 percent yellowish brown (10YR 5/4) silt loam; moderate very fine and fine subangular blocky structure; friable; 5 percent fine black (10YR 2/1) iron-manganese masses and 15 percent medium yellowish red (5YR 5/8) masses of oxidized iron and 20 percent medium dark brown (7.5YR 3/4) masses of oxidized iron; fragments. Lab sample # MU059221
    Bwg3—132 to 152 centimeters (52.0 to 59.8 inches); 60 percent gray (10YR 6/1) and 40 percent yellowish brown (10YR 5/4) silty clay loam; moderate very fine and fine subangular blocky structure; friable; 2 percent fine black (10YR 2/1) iron-manganese masses and 20 percent medium dark brown (7.5YR 3/4) masses of oxidized iron; fragments. Lab sample # MU059222
    Bwg4—152 to 193 centimeters (59.8 to 76.0 inches); gray (10YR 6/1) silt loam; moderate very fine and fine subangular blocky structure; friable; 25 percent medium yellowish red (5YR 5/8) masses of oxidized iron; fragments. Lab sample # MU059223
    Bwg5—193 to 213 centimeters (76.0 to 83.9 inches); gray (2.5Y 6/1) silty clay loam; moderate very fine and fine subangular blocky structure; friable; medium dark brown (7.5YR 3/4) masses of oxidized iron; fragments. Lab sample # MU059224