IDENTIFIERS

  • Current Taxon Name (Soil Name): Atlas
  • OSD
  • Series Extent
  • User Site ID: 1981IL133024
  • User Pedon ID: 1981IL133024
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 81IL133024
  • NCSS Pedon Lab Data NASIS Record ID - 21360
  • Print Date: 6/1/2024

    • 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: 38.3369676
  • Std. Longitude: -90.0576572
  • Datum: WGS84
  • Township: 2S
  • Range: 9W
  • Section: 26
  • PLSS Details: 820 feet west and 400 feet south of the northeast corner
  • 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, smectitic, mesic Aeric Chromic Vertic Epiaqualfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 24
  • Correlated Information:
  • Soil Name - Atlas
  • PSC - 23 to 73 cm.
  • Classificaton Date - 6/8/2009
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Blair
  • Classificaton Date - 8/1/1981
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Illinoian till with a strongly developed Sangamon paleosol
  • Landscape: till plain
  • Geomorphic Component Hills: side slope
  • Runoff: high
  • 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—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

    13

    —

    —

    —

    —

    135

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silty clay loam; moderate medium granular structure; friable; 3.0 very fine roots between peds; fragments; neutral, pH 7.0, lamotte-morgan; abrupt smooth boundary. Lab sample # IL28333
    B21t—23 to 53 centimeters (9.1 to 20.9 inches); yellowish brown (10YR 5/4) silty clay loam; 10 percent yellowish red (5YR 5/6) fine prominent and 25 percent grayish brown (10YR 5/2) medium faint mottles; weak fine prismatic parts to moderate medium angular blocky structure; firm; 0.6 very fine roots between peds; faint brown (10YR 5/3), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; 1 percent by volume rounded mixed fragments; moderately acid, pH 5.8, lamotte-morgan; clear smooth boundary. Lab sample # IL28334, IL28335. patchy - phpvsfiid 460684; patchy - phpvsfiid 460684
    B22t—53 to 79 centimeters (20.9 to 31.1 inches); variegated 50 percent gray (10YR 6/1) and 50 percent strong brown (7.5YR 5/6) silty clay; moderate fine prismatic parts to moderate medium angular blocky structure; firm; 0.6 very fine roots between peds; distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; 10 percent medium prominent iron-manganese masses in matrix; 1 percent by volume rounded strongly coherent cemented mixed fragments; slightly acid, pH 6.3, lamotte-morgan; clear smooth boundary. Lab sample # IL28336, IL28337. discontinuous - phpvsfiid 460685; discontinuous - phpvsfiid 460685
    B23t—79 to 104 centimeters (31.1 to 40.9 inches); variegated 50 percent gray (10YR 6/1) and 50 percent strong brown (7.5YR 5/6) silty clay; 1 percent reddish brown (5YR 4/4) medium prominent mottles; moderate medium prismatic parts to moderate medium angular blocky structure; firm; 0.6 very fine roots between peds; distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; 1 percent by volume rounded strongly coherent cemented mixed fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL28338. discontinuous - phpvsfiid 460686; discontinuous - phpvsfiid 460686
    B24t—104 to 130 centimeters (40.9 to 51.2 inches); variegated 50 percent gray (10YR 6/1) and 50 percent strong brown (7.5YR 5/6) silty clay; moderate coarse prismatic parts to moderate medium angular blocky structure; firm; 0.6 very fine roots between peds; distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; 10 percent coarse prominent iron-manganese masses in matrix; 10 percent by volume rounded strongly coherent cemented mixed fragments; slightly alkaline, pH 7.6, lamotte-morgan; clear smooth boundary. Lab sample # IL28339. patchy - phpvsfiid 460687; patchy - phpvsfiid 460687
    B3t—130 to 152 centimeters (51.2 to 59.8 inches); variegated 50 percent gray (10YR 6/1) and 50 percent strong brown (7.5YR 5/6) silty clay; weak coarse prismatic parts to weak medium angular blocky structure; firm; faint gray (10YR 5/1), moist, clay films on all faces of peds; 25 percent coarse prominent iron-manganese concretions in matrix; 10 percent by volume rounded strongly coherent cemented mixed fragments; slightly alkaline, pH 7.6, lamotte-morgan. Lab sample # IL28340. patchy - phpvsfiid 460688; patchy - phpvsfiid 460688