IDENTIFIERS

  • Current Taxon Name (Soil Name): Darwin
  • OSD
  • Series Extent
  • User Site ID: 1981IL009007
  • User Pedon ID: 1981IL009007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 81IL009007
  • NCSS Pedon Lab Data NASIS Record ID - 21279
  • Print Date: 6/2/2024

    • 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: 39.9590344
  • Std. Longitude: -90.5296665
  • Datum: WGS84
  • Township: 1S
  • Range: 1W
  • Section: 21
  • PLSS Details: 420 feet north and 550 feet east of the southwest corner
  • State: Illinois
  • County: IL009—Brown
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: IL009—Brown County, Illinois

    • PEDON

  • Describers Name: JB, BC
  • Current Taxonomic Class: Fine, smectitic, mesic Fluvaquentic Vertic Endoaquolls
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - Darwin
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/8/2009
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Darwin
  • Classificaton Date - 1/1/1981
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey alluvium
  • Landscape: alluvial plain
  • Landform: lakebed, flood plain
  • Runoff: negligible
  • Drainage Class: very poorly
  • Flooding: occasional flooding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/1/1981 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    0—51

    51—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

    —

    —

    131

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 28 centimeters (0.0 to 11.0 inches); black (10YR 2/1), gray (10YR 5/1), dry; silty clay; 1 percent yellowish red (5YR 5/6) fine prominent mottles; moderate medium angular blocky structure; firm; 3.0 fine roots between peds; 1 percent fine faint iron-manganese masses in matrix; fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL27744
    A3—28 to 51 centimeters (11.0 to 20.1 inches); black (10YR 2/1), gray (10YR 5/1), dry; silty clay; 1 percent yellowish red (5YR 5/6) fine prominent mottles; moderate medium subangular blocky structure; firm; 0.6 fine roots between peds; 1 percent fine faint iron-manganese masses in matrix; fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL27745
    B21—51 to 74 centimeters (20.1 to 29.1 inches); dark gray (10YR 4/1) silty clay; 10 percent yellowish brown (10YR 5/6) fine distinct mottles; weak medium prismatic parts to moderate medium subangular blocky structure; firm; 0.6 fine roots between peds; faint very dark gray (10YR 3/1), moist, organic stains on all faces of peds; 1 percent fine distinct iron-manganese masses in matrix; fragments; moderately acid, pH 5.8, lamotte-morgan; clear smooth boundary. Lab sample # IL27746. continuous - phpvsfiid 460095; continuous - phpvsfiid 460095
    B22—74 to 117 centimeters (29.1 to 46.1 inches); dark gray (10YR 4/1) silty clay; 10 percent yellowish brown (10YR 5/6) fine distinct mottles; weak medium prismatic parts to moderate medium subangular blocky structure; firm; 0.6 fine roots between peds; faint very dark gray (10YR 3/1), moist, clay films on all faces of peds; 10 percent fine distinct iron-manganese masses in matrix; fragments; moderately acid, pH 5.8, lamotte-morgan; clear smooth boundary. Lab sample # IL27747. discontinuous - phpvsfiid 460096; discontinuous - phpvsfiid 460096
    B3—117 to 152 centimeters (46.1 to 59.8 inches); gray (5Y 5/1) silty clay; 10 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium subangular blocky structure; firm; 0.6 fine roots between peds; distinct very dark gray (10YR 3/1), moist, clay films on all faces of peds; 10 percent fine distinct iron-manganese masses in matrix; fragments; neutral, pH 7.0, lamotte-morgan. Lab sample # IL27748. discontinuous - phpvsfiid 460097; discontinuous - phpvsfiid 460097