IDENTIFIERS

  • Current Taxon Name (Soil Name): Darwin
  • OSD
  • Series Extent
  • User Site ID: S1981IL165001
  • User Pedon ID: 81IL165001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 82P0126
  • NCSS Pedon Lab Data NASIS Record ID - 50366
  • 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: 37.7472229
  • Std. Longitude: -88.3863907
  • Datum: WGS84
  • Township: 9S
  • Range: 7E
  • Section: 12
  • PLSS Details: 472 meters E and 76 meters N of SW corner
  • State: Illinois
  • County: IL165—Saline
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain

    • PEDON

  • Describers Name: DRG, SJI
  • Current Taxonomic Class: Fine, smectitic, mesic Fluvaquentic Vertic Endoaquolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Darwin
  • Classificaton Date - 6/15/2007
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Darwin
  • Taxonomic Class - Fine, montmorillonitic, mesic Vertic Haplaquoll
  • Taxon Kind - series
  • Classificaton Date - 10/1/1981
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: river valley
  • Landform: terrace—stream or lake
  • Slope Shape Down: linear
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1981 (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: water erosion
    • 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

    —

    —

    —

    —

    90

    —

    —

    —

    —

    —

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    1Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark gray (10YR 3/1) interior silty clay; 1 percent dark yellowish brown (10YR 4/6) medium distinct mottles; weak fine subangular blocky, and weak medium granular structure; friable; 2.5 very fine and fine roots throughout and 0.5 coarse roots throughout; 11 percent fine iron concretions; fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 82P00633. common fine iron concretions concentrations; common very fine and fine roots throughout; few coarse roots throughout; few medium distinct 10YR46 mottles
    1B21g—23 to 41 centimeters (9.1 to 16.1 inches); very dark gray (10YR 3/1) interior silty clay; 1 percent light olive brown (2.5Y 5/6) fine prominent and 1 percent yellowish brown (10YR 5/8) fine prominent mottles; moderate coarse prismatic, and weak coarse angular blocky structure; firm; 0.5 fine roots throughout; 1 percent fine iron concretions; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 82P00634. few fine iron concretions concentrations; few fine roots throughout; few fine prominent 2.5Y56 mottles; few fine prominent 10YR58 mottles
    1B22g—41 to 71 centimeters (16.1 to 28.0 inches); dark gray (10YR 4/1) interior silty clay; 1 percent yellowish brown (10YR 5/8) fine distinct and 11 percent light olive brown (2.5Y 5/4) medium distinct mottles; weak coarse prismatic, and moderate medium and coarse angular blocky structure; firm; 2.5 fine roots throughout; 1 percent fine iron concretions; fragments; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary. Lab sample # 82P00635. few fine iron concretions concentrations; common fine roots throughout; few fine distinct 10YR58 mottles; common medium distinct 2.5Y54 mottles
    1B3g—71 to 104 centimeters (28.0 to 40.9 inches); dark gray (5Y 4/1) interior silty clay; 11 percent yellowish brown (10YR 5/8) fine distinct and 11 percent light olive brown (2.5Y 5/4) medium distinct mottles; weak medium subangular blocky structure; firm; 0.5 very fine roots throughout; 1 percent fine iron concretions; 1 percent fine carbonate concretions; fragments; slightly alkaline, pH 7.6, hellige-truog; gradual wavy boundary. Lab sample # 82P00636. few fine lime concretions concentrations; few fine iron concretions concentrations; few very fine roots throughout; common fine distinct 10YR58 mottles; common medium distinct 2.5Y54 mottles
    1Cg—104 to 152 centimeters (40.9 to 59.8 inches); gray (5Y 5/1) interior silty clay; 11 percent yellowish brown (10YR 5/8) fine distinct and 30 percent light olive brown (2.5Y 5/4) medium distinct mottles; massive; firm; 0.5 very fine roots throughout; 1 percent fine iron concretions; 1 percent fine carbonate concretions; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 82P00637. few fine lime concretions concentrations; few fine iron concretions concentrations; few very fine roots throughout; common fine distinct 10YR58 mottles; many medium distinct 2.5Y54 mottles