IDENTIFIERS

  • Current Taxon Name (Soil Name): Grandgulf
  • OSD
  • Series Extent
  • User Site ID: 1996MO091096M
  • User Pedon ID: 1996MO091096
  • User Site Association ID: 8038
  • Transect:
  • User Transect ID - 65B-1
  • Transect Stop Number - 3
  • Transect Interval - 100.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9609139
  • 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: 36.5853444
  • Std. Longitude: -91.9561833
  • Datum: WGS84
  • Map Unit: 73308—Grandgulf silt loam, 1 to 3 percent slopes, rarely ponded
  • State: Missouri
  • County: MO091—Howell
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO091—Howell County, Missouri

    • PEDON

  • Describers Name: SFP, SVV, RDR, MJM
  • Current Taxonomic Class: Fine-silty, mixed Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Grandgulf
  • PSC - 33 to 83 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Elk
  • Taxonomic Class - Fine-silty, mixed, active, mesic Ultic Hapludalfs
  • Taxon Kind - series
  • Classificaton Date - 7/9/1996
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Landscape: karstland
  • Landform: sink
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Runoff: very low
  • Drainage Class: well
  • Ponding: rare ponding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/9/1996 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    argillic horizon

    0—33

    33—152

    —-

    —-
    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

    —

    —

    320

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); brown (10YR 4/3) rubbed silt loam; weak medium subangular blocky parts to moderate fine granular structure; friable; 7.0 very fine and fine roots throughout; 7.0 very fine and fine interstitial and tubular pores; 1 percent fine spherical weakly coherent cemented black (N 2/0) iron-manganese concretions throughout; fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU055282
    A—20 to 33 centimeters (7.9 to 13.0 inches); dark brown (10YR 3/3) broken face silt loam; weak fine and medium subangular blocky structure; friable; 3.0 very fine and fine roots throughout; 7.0 very fine tubular and 0.1 fine vesicular pores; 15 percent faint brown (10YR 5/3), moist, silt coats on faces of peds; 1 percent fine spherical weakly coherent cemented black (N 2/0) iron-manganese concretions throughout; fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU055283
    Bt1—33 to 56 centimeters (13.0 to 22.0 inches); dark brown (7.5YR 3/4) broken face silt loam; moderate fine subangular blocky structure; friable; 0.9 very fine and fine roots throughout; 7.0 very fine tubular and 0.9 medium vesicular pores; 15 percent distinct reddish brown (5YR 4/4), moist, clay films throughout; 1 percent fine spherical weakly coherent cemented black (N 2/0) iron-manganese concretions throughout; fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU055284
    Bt2—56 to 84 centimeters (22.0 to 33.1 inches); brown (7.5YR 4/4) broken face silt loam; weak fine and medium subangular blocky structure; friable; 0.1 fine roots throughout; 7.0 very fine tubular and 0.9 fine and medium vesicular pores; 15 percent distinct dark brown (10YR 3/3), moist, iron stains throughout and 15 percent distinct brown (10YR 5/3), moist, silt coats throughout and 35 percent distinct reddish brown (5YR 4/4), moist, clay films on faces of peds; 5 percent fine spherical weakly coherent cemented black (N 2/0) iron-manganese concretions throughout; 1 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; gradual wavy boundary. Lab sample # MU055285
    Bt3—84 to 107 centimeters (33.1 to 42.1 inches); brown (7.5YR 4/3) broken face silty clay loam; weak medium subangular blocky parts to moderate fine subangular blocky structure; friable; 0.9 very fine and fine tubular and 0.9 fine vesicular pores; 15 percent distinct brown (10YR 5/3), moist, silt coats throughout and 15 percent prominent black (N 2/0), moist, iron stains throughout and 35 percent distinct reddish brown (5YR 4/4), moist, clay films on faces of peds; 5 percent fine spherical weakly coherent cemented black (N 2/0) iron-manganese concretions throughout; 2 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU055286
    2Bt4—107 to 132 centimeters (42.1 to 52.0 inches); reddish brown (5YR 4/4) broken face silty clay loam; moderate medium subangular blocky structure; firm; 0.9 very fine tubular pores; 15 percent prominent black (N 2/0), moist, iron stains throughout and 15 percent prominent pale brown (10YR 6/3), moist, silt coats throughout and 35 percent distinct dark red (2.5YR 3/6), moist, clay films on faces of peds; 2 percent fine spherical weakly coherent cemented black (N 2/0) iron-manganese masses throughout; 5 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU055287
    2Bt5—132 to 152 centimeters (52.0 to 59.8 inches); red (2.5YR 4/6) broken face silt loam; moderate medium subangular blocky structure; firm; 0.9 very fine tubular pores; 35 percent faint red (2.5YR 4/6), moist, clay films on faces of peds; 2 percent fine spherical weakly coherent cemented black (N 2/0) iron-manganese masses throughout; 5 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified. Lab sample # MU055288