IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulterville
  • OSD
  • Series Extent
  • User Site ID: 1981IL133018
  • User Pedon ID: 1981IL133018
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 81IL133018
  • NCSS Pedon Lab Data NASIS Record ID - 21359
  • Print Date: 12/4/2024
  • 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: 38.2117251
  • Std. Longitude: -90.0458011
  • Datum: WGS84
  • Township: 4S
  • Range: 9W
  • Section: 1
  • PLSS Details: 30 feet east and 1380 feet south of center
  • State: Illinois
  • County: IL133—Monroe
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL133—Monroe County, Illinois
  • PEDON

  • Describers Name: SKH, RJC
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aeric Epiaqualfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 18
  • Correlated Information:
  • Soil Name - Coulterville
  • PSC - 23 to 73 cm.
  • Classificaton Date - 6/8/2009
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Darmstadt
  • Classificaton Date - 8/1/1981
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: Peoria loess
  • Landscape: upland
  • Landform: interfluve
  • Runoff: medium
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1981 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    ochric epipedon

    argillic horizon

    0—23

    23—84

    —-

    —-

    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

    45

    Ap—0 to 23 centimeters (0.0 to 9.1 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; silt loam; weak fine granular structure; friable; 0.6 fine roots between peds; fragments; neutral, pH 7.0, lamotte-morgan; abrupt smooth boundary. Lab sample # IL28323
    B21t—23 to 30 centimeters (9.1 to 11.8 inches); grayish brown (10YR 5/2) silty clay loam; 1 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate fine subangular blocky structure; friable; 0.6 very fine roots between peds; faint dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; fragments; slightly acid, pH 6.3, lamotte-morgan; clear smooth boundary. Lab sample # IL28324. discontinuous - phpvsfiid 460680; discontinuous - phpvsfiid 460680
    B22t—30 to 43 centimeters (11.8 to 16.9 inches); grayish brown (10YR 5/2) silty clay loam; 1 percent strong brown (7.5YR 4/6) fine prominent and 1 percent gray (10YR 6/1) fine faint mottles; moderate fine prismatic parts to moderate fine angular blocky structure; friable; 0.6 very fine roots between peds; faint dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 10 percent fine prominent iron-manganese masses in matrix and 10 percent prominent reddish brown (5YR 4/4), moist, masses of oxidized iron in matrix; fragments; slightly acid, pH 6.3, lamotte-morgan; clear smooth boundary. Lab sample # IL28325. discontinuous - phpvsfiid 460681; discontinuous - phpvsfiid 460681
    B23t—43 to 56 centimeters (16.9 to 22.0 inches); gray (10YR 6/1) silty clay loam; 10 percent strong brown (7.5YR 4/6) medium prominent mottles; moderate medium prismatic parts to moderate medium angular blocky structure; friable; 0.6 very fine roots between peds; faint gray (10YR 5/1), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL28326. discontinuous - phpvsfiid 460682; discontinuous - phpvsfiid 460682
    B24t—56 to 84 centimeters (22.0 to 33.1 inches); gray (10YR 6/1) silty clay loam; 1 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate medium prismatic parts to moderate medium angular blocky structure; friable; 0.6 very fine roots between peds; faint gray (10YR 5/1), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; 10 percent medium faint white (10YR 8/1), dry, carbonate concretions in matrix; fragments; moderately alkaline, pH 8.1, lamotte-morgan; clear smooth boundary. Lab sample # IL28327, IL28328. discontinuous - phpvsfiid 460683; discontinuous - phpvsfiid 460683
    B31—84 to 109 centimeters (33.1 to 42.9 inches); gray (10YR 5/1) silt loam; weak medium prismatic structure; friable; 1 percent fine prominent iron-manganese masses in matrix and 10 percent prominent dark reddish brown (2.5YR 3/4), moist, masses of oxidized iron in matrix; fragments; moderately alkaline, pH 8.1, lamotte-morgan; clear smooth boundary. Lab sample # IL28329, IL28330
    B32—109 to 135 centimeters (42.9 to 53.1 inches); gray (10YR 5/1) silt loam; 10 percent strong brown (7.5YR 4/6) medium prominent mottles; weak medium prismatic structure; friable; fragments; slightly alkaline, pH 7.6, lamotte-morgan; clear smooth boundary. Lab sample # IL28331
    C—135 to 152 centimeters (53.1 to 59.8 inches); brown (7.5YR 5/2) silt loam; 10 percent gray (10YR 6/1) medium prominent mottles; structureless massive; friable; 10 percent prominent yellowish red (5YR 4/6), moist, masses of oxidized iron in matrix; fragments; slightly alkaline, pH 7.6, lamotte-morgan. Lab sample # IL28332