IDENTIFIERS

  • Current Taxon Name (Soil Name): Amagon
  • OSD
  • Series Extent
  • User Site ID: 1997MO223190
  • User Pedon ID: 1997MO223190
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9722346
  • NCSS Pedon Lab Data NASIS Record ID - 26452
  • 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: 36.9835815
  • Std. Longitude: -90.2138062
  • Datum: WGS84
  • Location Description: 2,500 feet east and 2,100 feet north of the southwest corner of sec. 17, T. 27 N., R. 8 E.
  • Map Unit: 69—Amagon silt loam, 0 to 1 percent slopes, frequently ponded82001—Amagon silt loam, 0 to 1 percent slopes, frequently ponded
  • State: Missouri
  • County: MO223—Wayne
  • MLRA: 131—Southern Mississippi Valley Alluvium
  • Regional Office: 7—Auburn, AL
  • Non-MLRA Soil Survey Area: MO223—Wayne County, Missouri
  • 7.5 Minute USGS Quad: 36090-H2—Puxico, Missouri

    • PEDON

  • Describers Name: RT and KG
  • Current Taxonomic Class: Fine-silty, mixed, superactive, thermic Typic Endoaqualfs
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Amagon
  • PSC - 28 to 78 cm.
  • Classificaton Date - 4/1/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Amagon
  • Classificaton Date - 11/18/1997
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: lowland
  • Landform: terrace
  • Runoff: negligible
  • Drainage Class: very poorly
  • Ponding: frequent ponding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/18/1997 (actual site observation date)
  • Air Photo ID: J6
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - wetlands
  • Site Obs. Cover Kind 2 - other grass/herbaceous 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

    argillic horizon

    0—28

    28—218

    —-

    —-
    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

    —

    —

    104

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (10YR 4/2), light gray (10YR 7/1), dry; silt loam; moderate very fine and fine subangular blocky structure; very friable; fragments; strongly acid, pH 5.3, hellige-truog; abrupt smooth boundary. Lab sample # MU009726
    E—8 to 28 centimeters (3.1 to 11.0 inches); gray (10YR 6/1) silt loam; weak fine and medium subangular blocky structure; friable; 15 percent yellowish brown (10YR 5/4) masses of oxidized iron and 15 percent yellowish brown (10YR 5/6) masses of oxidized iron; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU009727
    Btg1—28 to 61 centimeters (11.0 to 24.0 inches); gray (10YR 6/1) silty clay loam; moderate fine prismatic, and moderate very fine and fine subangular blocky structure; firm; 5 percent distinct dark grayish brown (10YR 4/2), moist, clay films on faces of peds; 15 percent yellowish brown (10YR 5/6) masses of oxidized iron; fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # MU009728. discontinuous - phpvsfiid 207143; discontinuous - phpvsfiid 207143
    2Btg2—61 to 107 centimeters (24.0 to 42.1 inches); gray (10YR 6/1) silt loam; moderate very fine and fine subangular blocky structure; firm; 5 percent distinct dark grayish brown (10YR 4/2), moist, clay films on vertical faces of peds; 10 percent black (10YR 2/1) iron-manganese masses and 25 percent yellowish brown (10YR 5/6) masses of oxidized iron; fragments; strongly acid, pH 5.5, hellige-truog; gradual wavy boundary. Lab sample # MU009729. discontinuous - phpvsfiid 207144; discontinuous - phpvsfiid 207144
    2Btg3—107 to 135 centimeters (42.1 to 53.1 inches); gray (10YR 6/1) silt loam; moderate very fine and fine subangular blocky structure; firm; 5 percent distinct dark grayish brown (10YR 4/2), moist, clay films on surfaces along pores; 20 percent black (10YR 2/1) iron-manganese masses and 30 percent strong brown (7.5YR 4/6) masses of oxidized iron; fragments; moderately acid, pH 5.7, hellige-truog; clear wavy boundary. Lab sample # MU009730. patchy - phpvsfiid 207150; patchy - phpvsfiid 207150
    2Btg4—135 to 173 centimeters (53.1 to 68.1 inches); light brownish gray (10YR 6/2) silt loam; moderate very fine and fine subangular blocky structure; firm; 5 percent distinct dark grayish brown (10YR 4/2), moist, clay films on surfaces along pores; 20 percent black (10YR 2/1) iron-manganese masses and 20 percent strong brown (7.5YR 4/6) masses of oxidized iron and 20 percent yellowish brown (10YR 5/6) masses of oxidized iron; fragments; slightly acid, pH 6.1, hellige-truog; gradual wavy boundary. Lab sample # MU009731. patchy - phpvsfiid 207151; patchy - phpvsfiid 207151
    2Btg5—173 to 196 centimeters (68.1 to 77.2 inches); light brownish gray (10YR 6/2) silt loam; moderate very fine and fine subangular blocky structure; firm; 5 percent distinct clay films on surfaces along pores; 10 percent black (10YR 2/1) iron-manganese masses and 15 percent strong brown (7.5YR 4/6) masses of oxidized iron and 15 percent yellowish brown (10YR 5/6) masses of oxidized iron; fragments; neutral, pH 6.7, hellige-truog; gradual wavy boundary. Lab sample # MU009732. patchy - phpvsfiid 207152; patchy - phpvsfiid 207152
    2BCg—196 to 218 centimeters (77.2 to 85.8 inches); light brownish gray (2.5Y 6/2) silty clay loam; moderate very fine and fine subangular blocky structure; firm; 10 percent strong brown (7.5YR 4/6) masses of oxidized iron and 10 percent black (10YR 2/1) iron-manganese masses and 15 percent strong brown (7.5YR 5/8) masses of oxidized iron; fragments; slightly alkaline, pH 7.4, hellige-truog. Lab sample # MU009733