IDENTIFIERS

  • Current Taxon Name (Soil Name): Calhoun
  • OSD
  • Series Extent
  • User Site ID: 1999MO017103
  • User Pedon ID: 1999MO017103
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9901767
  • NCSS Pedon Lab Data NASIS Record ID - 31816
  • Print Date: 4/21/2026
  • 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: 37.1079178
  • Std. Longitude: -90.0134888
  • Datum: WGS84
  • Map Unit: 168—Falaya silt loam, 0 to 1 percent slopes, occasionally flooded86002—Falaya silt loam, 0 to 1 percent slopes, occasionally flooded
  • State: Missouri
  • County: MO017—Bollinger
  • MLRA: 131—Southern Mississippi Valley Alluvium
  • Regional Office: 7—Auburn, AL
  • Non-MLRA Soil Survey Area: MO017—Bollinger County, Missouri
  • 7.5 Minute USGS Quad: 37090-A1—Sturdivant, Missouri
  • PEDON

  • Current Taxonomic Class: Coarse-silty, mixed, active, thermic Typic Paleaquults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Calhoun
  • PSC - 71 to 121 cm.
  • Classificaton Date - 2/1/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Calhoun
  • Classificaton Date - 10/25/1999
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: alluvium
  • Landscape: lowland
  • Landform: terrace
  • Drainage Class: poorly
  • Flooding: occasional flooding
  • Ponding: occasional ponding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/25/1999 (actual site observation date)
  • Air Photo ID: D-8
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    albic horizon

    glossic horizon

    argillic horizon

    0—13

    13—71

    71—107

    71—203

    —-

    —-

    —-

    —-

    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

    109

    Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark yellowish brown (10YR 4/4), very pale brown (10YR 7/4), dry; silt loam; moderate fine granular structure; friable; 10.0 very fine and fine roots; 10.0 very fine and fine tubular pores; fragments; abrupt smooth boundary. Lab sample # MU062244
    E1—13 to 30 centimeters (5.1 to 11.8 inches); brown (10YR 5/3) silt loam; moderate coarse platy structure; firm; 0.5 very fine roots; 3.0 very fine and fine tubular pores; 3 percent black (10YR 2/1) iron-manganese masses and 5 percent strong brown (7.5YR 4/6) masses of oxidized iron; fragments; clear smooth boundary. Lab sample # MU062245
    E2—30 to 71 centimeters (11.8 to 28.0 inches); light brownish gray (10YR 6/2) silt loam; moderate fine subangular blocky structure; firm; 0.5 very fine roots; 10.0 very fine and fine tubular pores; 3 percent black (10YR 2/1) iron-manganese masses and 10 percent strong brown (7.5YR 4/6) masses of oxidized iron; fragments; gradual smooth boundary. Lab sample # MU062246
    B/E—71 to 107 centimeters (28.0 to 42.1 inches); yellowish brown (10YR 5/4) silt loam; fragments; gradual wavy boundary. Lab sample # MU062247
    B/E—71 to 107 centimeters (28.0 to 42.1 inches); light brownish gray (10YR 6/2) silt loam; moderate medium prismatic parts to moderate fine subangular blocky structure; firm; 5.0 very fine and fine tubular and 0.5 medium tubular pores; 5 percent grayish brown (10YR 5/2) clay films and 20 percent light gray (10YR 7/1) silt coats; 3 percent black (10YR 2/1) iron-manganese masses and 20 percent brown (10YR 4/3) masses of oxidized iron; fragments; gradual smooth boundary. Lab sample # MU062247
    Btg1—107 to 147 centimeters (42.1 to 57.9 inches); gray (10YR 5/1) silt loam; moderate medium prismatic parts to moderate fine subangular blocky structure; firm; 5.0 very fine and fine tubular and 0.5 medium tubular pores; 20 percent grayish brown (10YR 5/2) clay films; 3 percent black (10YR 2/1) iron-manganese masses and 10 percent strong brown (7.5YR 4/6) masses of oxidized iron; fragments. Lab sample # MU062248
    Btg2—147 to 203 centimeters (57.9 to 79.9 inches); gray (10YR 6/1) silt loam; moderate coarse prismatic parts to moderate fine subangular blocky structure; firm; 5.0 very fine and fine tubular and 0.5 medium tubular pores; 20 percent grayish brown (10YR 5/2) clay films; 3 percent black (10YR 2/1) iron-manganese masses and 20 percent strong brown (7.5YR 4/6) masses of oxidized iron; fragments. Lab sample # MU062249