IDENTIFIERS

  • Current Taxon Name (Soil Name): Downs
  • OSD
  • Series Extent
  • User Site ID: 1981IL131066
  • User Pedon ID: 1981IL131066
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 81IL131066
  • NCSS Pedon Lab Data NASIS Record ID - 21355
  • Print Date: 11/21/2024

    • 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: 41.2577091
  • Std. Longitude: -90.9006810
  • Datum: WGS84
  • Township: 15N
  • Range: 5W
  • Section: 36
  • PLSS Details: 450 feet south and 100 feet west of the northeast corner
  • State: Illinois
  • County: IL131—Mercer
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: IL131—Mercer County, Illinois

    • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 66
  • Correlated Information:
  • Soil Name - Downs
  • PSC - 46 to 96 cm.
  • Classificaton Date - 6/8/2009
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Mt. Carroll
  • Classificaton Date - 1/1/1982
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Peoria loess
  • Landscape: upland
  • Geomorphic Component Hills: side slope
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/1/1982 (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 -
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    albic horizon

    argillic horizon

    0—46

    20—30

    46—91

    —-

    —-

    —-
    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

    5

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silt loam; moderate fine granular structure; very friable; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # IL28273
    E—20 to 30 centimeters (7.9 to 11.8 inches); dark grayish brown (10YR 4/2) silt loam; weak medium platy parts to moderate fine granular structure; friable; fragments; neutral, pH 7.0; clear wavy boundary. Lab sample # IL28274
    BE—30 to 46 centimeters (11.8 to 18.1 inches); brown (10YR 5/3) silt loam; weak fine subangular blocky structure; friable; distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; fragments; neutral, pH 7.0; clear wavy boundary. Lab sample # IL28275. patchy - phpvsfiid 460477; patchy - phpvsfiid 460477
    Bt1—46 to 66 centimeters (18.1 to 26.0 inches); brown (10YR 5/3) silt loam; moderate medium subangular blocky structure; friable; distinct brown (7.5YR 4/4), moist, clay films on all faces of peds; fragments; slightly acid, pH 6.3; gradual wavy boundary. Lab sample # IL28276, IL28277. discontinuous - phpvsfiid 460478; discontinuous - phpvsfiid 460478
    Bt2—66 to 91 centimeters (26.0 to 35.8 inches); brown (10YR 5/3) silt loam; weak coarse subangular blocky structure; friable; distinct brown (7.5YR 4/4), moist, clay films on all faces of peds; fragments; slightly acid, pH 6.3; gradual smooth boundary. Lab sample # IL28278, IL28279. discontinuous - phpvsfiid 460479; discontinuous - phpvsfiid 460479
    BC—91 to 117 centimeters (35.8 to 46.1 inches); brown (10YR 5/3) silt loam; 10 percent strong brown (7.5YR 5/6) medium distinct mottles; weak coarse subangular blocky structure; friable; fragments; neutral, pH 7.0; gradual smooth boundary. Lab sample # IL28280, IL28281
    C1—117 to 132 centimeters (46.1 to 52.0 inches); brown (10YR 5/3) silt loam; 10 percent strong brown (7.5YR 5/6) medium distinct mottles; structureless massive; friable; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL28282
    C2—132 to 152 centimeters (52.0 to 59.8 inches); pale brown (10YR 6/3) silt loam; 10 percent strong brown (7.5YR 5/6) medium distinct mottles; structureless massive; friable; fragments; slightly acid, pH 6.3.