IDENTIFIERS

  • Current Taxon Name (Soil Name): Darwin
  • OSD
  • Series Extent
  • User Site ID: 1966IL059001
  • User Pedon ID: 1966IL059001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 66IL059001
  • NCSS Pedon Lab Data NASIS Record ID - 20610
  • 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: 37.8038990
  • Std. Longitude: -88.2269874
  • Datum: WGS84
  • Township: 8S
  • Range: 9E
  • Section: 28
  • PLSS Details: 135 feet south of center of bridge and 82 feet east of center of gravel road
  • State: Illinois
  • County: IL059—Gallatin
  • Non-MLRA Soil Survey Area: IL059—Gallatin County, Illinois
  • 7.5 Minute USGS Quad: 37088-G2—New Haven SW, Illinois
  • PEDON

  • Describers Name: JBF, JDA, BWR
  • Current Taxonomic Class: Fine, smectitic, mesic Fluvaquentic Vertic Endoaquolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Darwin
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/10/2009
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Shiloh
  • Classificaton Date - 10/1/1966
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: alluvium
  • Drainage Class: very poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1966 (actual site observation date)
  • Air Photo ID:
  • 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
  • Yield Study ID -
  • 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

    3

    114

    14.4

    Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark gray (10YR 3/1) silty clay; moderate fine granular structure; firm; fragments; slightly alkaline, pH 7.6; abrupt smooth boundary. Lab sample # IL20209
    A1—18 to 46 centimeters (7.1 to 18.1 inches); very dark gray (10YR 3/1) silty clay; moderate medium subangular blocky structure; firm; fragments; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL20210
    B21g—46 to 66 centimeters (18.1 to 26.0 inches); very dark gray (10YR 3/1) silty clay; 1 percent olive brown (2.5Y 4/4) fine distinct mottles; strong medium subangular blocky structure; firm; very dark gray (10YR 3/1), moist, organoargillans on all faces of peds; 1 percent fine iron-manganese concretions; fragments; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL20211. continuous - phpvsfiid 464111; continuous - phpvsfiid 464111
    B22g—66 to 81 centimeters (26.0 to 31.9 inches); very dark gray (10YR 3/1) silty clay; 10 percent olive brown (2.5Y 4/4) fine distinct mottles; strong medium angular blocky structure; firm; dark gray (10YR 4/1), moist, organoargillans on all faces of peds; 1 percent fine iron-manganese concretions; 1 percent carbonate concretions; fragments; slightly alkaline, pH 7.6; gradual smooth boundary. Lab sample # IL20212. continuous - phpvsfiid 464112; continuous - phpvsfiid 464112
    B23g—81 to 99 centimeters (31.9 to 39.0 inches); gray (5Y 5/1) silty clay; 10 percent olive brown (2.5Y 4/4) medium distinct mottles; strong medium angular blocky structure; firm; dark gray (10YR 4/1), moist, organoargillans on all faces of peds; 1 percent fine iron-manganese concretions; 10 percent carbonate concretions; fragments; slightly alkaline, pH 7.8; clear smooth boundary. Lab sample # IL20213. continuous - phpvsfiid 464113; continuous - phpvsfiid 464113
    B31g—99 to 127 centimeters (39.0 to 50.0 inches); gray (5Y 5/1) silty clay; 10 percent olive brown (2.5Y 4/4) medium distinct mottles; moderate coarse angular blocky structure; firm; dark gray (5Y 4/1), moist, clay films on all faces of peds; 10 percent fine iron-manganese concretions; 10 percent carbonate concretions; fragments; slight effervescence; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL20214. continuous - phpvsfiid 464114; continuous - phpvsfiid 464114
    B32g—127 to 150 centimeters (50.0 to 59.1 inches); gray (10YR 5/1) silty clay loam; 25 percent strong brown (7.5YR 5/6) medium prominent mottles; weak medium angular blocky structure; firm; dark gray (10YR 4/1), moist, clay films on vertical faces of peds; 10 percent fine iron-manganese concretions; 1 percent carbonate concretions; fragments; slight effervescence; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL20215. discontinuous - phpvsfiid 464115; discontinuous - phpvsfiid 464115
    Cg—150 to 180 centimeters (59.1 to 70.9 inches); greenish gray (5G 5/1) silty clay loam; 10 percent olive brown (2.5Y 4/4) medium prominent and 25 percent strong brown (7.5YR 5/6) medium prominent mottles; massive; firm; fragments; slight effervescence; slightly alkaline, pH 7.6. Lab sample # IL20216