IDENTIFIERS

  • Current Taxon Name (Soil Name): Melvin
  • OSD
  • Series Extent
  • User Site ID: 1997MO223188M
  • User Pedon ID: 1997MO223188M
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9722344
  • NCSS Pedon Lab Data NASIS Record ID - 32012
  • Print Date: 12/5/2025

    • 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: 36.9648083
  • Std. Longitude: -90.5644778
  • Datum: WGS84
  • Township: T27N
  • Range: R5E
  • Section: 30
  • PLSS Details: 1800 feet S and 1200 feet E of the NW corner
  • Location Description: 1,800 feet south and 1,200 feet east of the northwest corner of sec. 30, T. 27 N., R. 5 E.
  • 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: Coarse-silty, mixed, active, nonacid, mesic Fluvaquentic Endoaquepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: TUD pedon
  • 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 - 3/8/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Wakeland
  • Taxonomic Class - Coarse-silty, mixed, superactive, nonacid, mesic Aeric Fluvaquents
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 11/17/1997
  • Moisture Class - aquic
  • Moisture SUBClass - aeric
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3


    • SITE

  • Parent Material: alluvium
  • Landscape: river valley
  • Landform: stream terrace
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Flooding: frequent flooding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/17/1997 (actual site observation date)
  • Air Photo ID: D6
  • 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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    redox depletions with chroma 2 or less

    aquic conditions

    0—15

    15—203

    38—203

    61—147

    —-

    —-

    —-

    —-
    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

    —

    —

    116

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 5/3) silt loam; moderate very fine and fine subangular blocky structure; very friable; 10 percent fine brown (7.5YR 4/4) masses of oxidized iron; fragments; moderately acid, pH 5.7, hellige-truog; clear smooth boundary. Lab sample # MU059208
    Bw1—15 to 38 centimeters (5.9 to 15.0 inches); brown (10YR 5/3) silt loam; weak very fine and fine subangular blocky structure; friable; 15 percent medium prominent dark reddish brown (5YR 3/4) masses of oxidized iron and 20 percent medium prominent black (10YR 2/1) iron-manganese masses; fragments; slightly acid, pH 6.5, hellige-truog; gradual smooth boundary. Lab sample # MU059209
    Bw2—38 to 61 centimeters (15.0 to 24.0 inches); brown (10YR 5/3) silt loam; 30 percent gray (10YR 5/1) medium distinct mottles; weak very fine and fine subangular blocky structure; friable; 10 percent fine prominent strong brown (7.5YR 4/6) masses of oxidized iron and 10 percent fine prominent black (10YR 2/1) iron-manganese masses; fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. Lab sample # MU059210
    Bg1—61 to 84 centimeters (24.0 to 33.1 inches); 60 percent gray (10YR 5/1) and 40 percent brown (10YR 5/3) silt loam; weak very fine and fine subangular blocky structure; friable; 5 percent fine prominent strong brown (7.5YR 4/6) masses of oxidized iron and 5 percent fine prominent dark brown (7.5YR 3/3) iron-manganese masses; fragments; slightly acid, pH 6.2, hellige-truog; gradual wavy boundary. Lab sample # MU059211
    Bg2—84 to 99 centimeters (33.1 to 39.0 inches); 70 percent gray (10YR 5/1) and 30 percent brown (10YR 5/3) silt loam; weak very fine and fine subangular blocky structure; friable; 5 percent fine prominent strong brown (7.5YR 4/6) masses of oxidized iron and 5 percent fine prominent dark brown (7.5YR 3/3) iron-manganese masses; fragments; slightly acid, pH 6.2, hellige-truog; clear wavy boundary. Lab sample # MU059212
    Bg3—99 to 124 centimeters (39.0 to 48.8 inches); 70 percent gray (10YR 6/1) and 30 percent brown (10YR 5/3) silt loam; weak very fine and fine subangular blocky structure; friable; 5 percent fine prominent strong brown (7.5YR 4/6) masses of oxidized iron and 5 percent fine prominent dark brown (7.5YR 3/3) iron-manganese masses; fragments; slightly acid, pH 6.3, hellige-truog; gradual wavy boundary. Lab sample # MU059213
    Bg4—124 to 147 centimeters (48.8 to 57.9 inches); gray (2.5Y 5/1) silt loam; weak very fine and fine subangular blocky structure; friable; 15 percent fine prominent dark gray (10YR 4/1) iron-manganese masses; fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU059214
    2Ab1—147 to 193 centimeters (57.9 to 76.0 inches); dark gray (2.5Y 4/1) silt loam; weak very fine and fine subangular blocky structure; friable; 15 percent fine prominent black (10YR 2/1) iron-manganese masses; fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU059215
    2Ab2—193 to 203 centimeters (76.0 to 79.9 inches); black (2.5Y 2/1) silt loam; weak very fine and fine subangular blocky structure; friable; fragments; very strongly acid, pH 5.0, hellige-truog. Lab sample # MU059216