IDENTIFIERS

  • Current Taxon Name (Soil Name): Amagon
  • OSD
  • Series Extent
  • User Site ID: 1999MO017057
  • User Pedon ID: 1999MO017057
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9901740
  • NCSS Pedon Lab Data NASIS Record ID - 31840
  • Print Date: 4/25/2025

    • 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: 37.0431023
  • Std. Longitude: -90.0344238
  • Datum: WGS84
  • Map Unit: 54—Calhoun silt loam, 0 to 1 percent slopes82060—Calhoun silt loam, 0 to 1 percent slopes
  • 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: Fine-silty, mixed, active, thermic Typic Endoaqualfs
  • 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 - Amagon
  • PSC - 30 to 80 cm.
  • Classificaton Date - 3/8/2011
  • Soil Taxonomic Edition - eighth edition
  • Sampled As Information:
  • Soil Name - Amagon
  • Classificaton Date - 9/22/1999
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: lowland
  • Landform: terrace
  • Runoff: negligible
  • Drainage Class: poorly
  • Flooding: rare flooding
  • Ponding: rare ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/22/1999 (actual site observation date)
  • 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: wind and water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—30

    30—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

    —

    —

    105

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 15 centimeters (0.0 to 5.9 inches); yellowish brown (10YR 5/4), light gray (10YR 7/2), dry; silt loam; weak fine and medium subangular blocky structure; friable; fragments; abrupt wavy boundary. Lab sample # MU062124
    A2—15 to 30 centimeters (5.9 to 11.8 inches); yellowish brown (10YR 5/4) silt loam; moderate fine subangular blocky structure; friable; fragments; abrupt wavy boundary. Lab sample # MU062125
    Btg1—30 to 69 centimeters (11.8 to 27.2 inches); light brownish gray (10YR 6/2) silt loam; moderate fine and medium subangular blocky structure; friable; 10 percent yellowish brown (10YR 5/4) clay films and 10 percent light gray (10YR 7/2) silt coats; 15 percent fine and medium strong brown (7.5YR 5/6) masses of oxidized iron; fragments; clear smooth boundary. Lab sample # MU062126
    Btg2—69 to 112 centimeters (27.2 to 44.1 inches); light brownish gray (10YR 6/2) silty clay loam; moderate fine and medium subangular blocky structure; firm; 10 percent light gray (10YR 7/2) silt coats and 20 percent yellowish brown (10YR 5/4) clay films; 10 percent red (2.5YR 4/8) masses of oxidized iron and 10 percent black (10YR 2/1) iron-manganese masses; fragments; gradual smooth boundary. Lab sample # MU062127
    Btg3—112 to 155 centimeters (44.1 to 61.0 inches); light brownish gray (10YR 6/2) silty clay loam; moderate medium prismatic parts to moderate fine and medium subangular blocky structure; firm; 10 percent light gray (10YR 7/2) silt coats and 20 percent yellowish brown (10YR 5/4) clay films; 10 percent black (10YR 2/1) iron-manganese masses and 15 percent red (2.5YR 4/8) masses of oxidized iron; fragments; gradual smooth boundary. Lab sample # MU062128
    Btg4—155 to 203 centimeters (61.0 to 79.9 inches); grayish brown (10YR 5/2) silty clay loam; moderate medium prismatic parts to moderate fine and medium subangular blocky structure; firm; 5 percent gray (10YR 5/1) clay films and 5 percent light gray (10YR 7/2) silt coats; 10 percent black (10YR 2/1) iron-manganese masses and 20 percent strong brown (7.5YR 5/6) masses of oxidized iron; fragments. Lab sample # MU062129