IDENTIFIERS

  • Current Taxon Name (Soil Name): Marshall
  • OSD
  • Series Extent
  • User Site ID: S1974IA129001
  • User Pedon ID: S1974IA129001
  • Vegetation Plot ID: S1974IA129001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A5196
  • NCSS Pedon Lab Data NASIS Record ID - 41893
  • Print Date: 5/20/2024
  • 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: 40.9669456
  • Std. Longitude: -95.3927765
  • Datum: WGS84
  • Township: 71N
  • Range: 40W
  • Section: 12
  • PLSS Details: 360 feet east and 140 feet north of the SW corner of the NE1/4
  • Location Description: Measurements from center of US Highway 59.
  • State: Iowa
  • County: IA129—Mills
  • Non-MLRA Soil Survey Area: IA129—Mills County, Iowa
  • PEDON

  • Describers Name: T. E. Featon, C. S. Fisher, D. Lockridge
  • Current Taxonomic Class: Fine-silty, mixed, mesic Typic Hapludolls
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Marshall
  • Taxonomic Class - Fine-silty, mixed, mesic Typic Hapludolls
  • Classificaton Date - 9/1/1974
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: Wisconsin loess
  • Landform: top of ridge
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1974 (actual site observation date)
  • 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
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ZEMA

    Zea mays

    corn

    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

    1

    135

    Ap—0 to 25 centimeters (0.0 to 9.8 inches); black (10YR 2/1), grayish brown (10YR 5/2), dry; silty clay loam; 28 percent clay; cloddy, and moderate fine and medium subangular blocky structure; friable; fragments; abrupt smooth boundary. Lab sample # 40A39075
    A12—25 to 43 centimeters (9.8 to 16.9 inches); very dark brown (10YR 2/2) and black (10YR 2/1) silty clay loam; 29 percent clay; moderate fine and medium granular structure; friable; fragments; clear smooth boundary. Lab sample # 40A39076
    A3—43 to 56 centimeters (16.9 to 22.0 inches); very dark grayish brown (10YR 3/2) and very dark brown (10YR 2/2) silty clay loam; 31 percent clay; moderate fine subangular blocky structure; friable; fragments; clear smooth boundary. Lab sample # 40A39077
    B21—56 to 66 centimeters (22.0 to 26.0 inches); brown (10YR 4/3) and very dark grayish brown (10YR 3/2) and dark brown (10YR 3/3) silty clay loam; 34 percent clay; weak fine prismatic, and moderate fine and medium subangular blocky structure; friable; fragments; clear smooth boundary. Lab sample # 40A39078
    B22—66 to 86 centimeters (26.0 to 33.9 inches); brown (10YR 4/3) and dark brown (10YR 3/3) silty clay loam; 33 percent clay; 10 percent strong brown (7.5YR 5/6) fine distinct and 10 percent strong brown (7.5YR 5/8) fine distinct mottles; weak medium prismatic, and moderate fine and medium subangular blocky structure; friable; fragments; clear smooth boundary. Lab sample # 40A39079
    B31—86 to 109 centimeters (33.9 to 42.9 inches); brown (10YR 4/3) and grayish brown (2.5Y 5/2) silty clay loam; 28 percent clay; 3 percent strong brown (7.5YR 5/8) fine and medium and 3 percent grayish brown (2.5Y 5/2) fine and medium and 3 percent strong brown (7.5YR 5/6) fine and medium mottles; weak medium prismatic, and weak fine and medium subangular blocky structure; friable; fragments; gradual smooth boundary. Lab sample # 40A39080
    B32—109 to 127 centimeters (42.9 to 50.0 inches); grayish brown (2.5Y 5/2) and yellowish brown (10YR 5/4) silty clay loam; 27 percent clay; 3 percent strong brown (7.5YR 5/6) fine distinct and 3 percent strong brown (7.5YR 5/8) fine distinct mottles; weak medium prismatic, and weak medium subangular blocky structure; friable; fragments; gradual smooth boundary. Lab sample # 40A39081
    C—127 to 152 centimeters (50.0 to 59.8 inches); grayish brown (2.5Y 5/2) and yellowish brown (10YR 5/6) and brown (7.5YR 4/4) silt loam; 24 percent clay; massive; friable; fragments. Lab sample # 40A39082