IDENTIFIERS

  • Current Taxon Name (Soil Name): Osco
  • OSD
  • Series Extent
  • User Site ID: S1956IL015002
  • User Pedon ID: S1956IL015002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 56IL015002
  • NCSS Pedon Lab Data NASIS Record ID - 20451
  • 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: 42.0530583
  • Std. Longitude: -89.7657500
  • Datum: WGS84
  • Township: 24N
  • Range: 6E
  • Section: 23
  • PLSS Details: 516 feet W of SE corner
  • Location Description: 516 FT W of SE corner of the Sec.23 on the N road in a 3FT bank
  • State: Illinois
  • County: IL015—Carroll
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Non-MLRA Soil Survey Area: IL015—Carroll County, Illinois
  • PEDON

  • Describers Name: RTO, BWR, AHR, JS
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Osco
  • PSC - 51 to 101 cm.
  • Classificaton Date - 2/22/2010
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tama
  • Classificaton Date - 10/1/1956
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: not certified
  • QC Status: level 1
  • QA Status: not reviewed


  • SITE

  • Parent Material: loess
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1956 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—36

    36—114

    —36—

    —78—

    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

    A1—0 to 25 centimeters (0.0 to 9.8 inches); very dark brown (10YR 2/2) silt loam; moderate fine granular structure; friable; 6.0 fine roots; fragments; slightly acid, pH 6.1; clear smooth boundary. Lab sample # IL17866
    A2—25 to 36 centimeters (9.8 to 14.2 inches); very dark grayish brown (10YR 3/2) silt loam; moderate medium granular structure; friable; fragments; strongly acid, pH 5.2; clear smooth boundary. Lab sample # IL17867
    Bt1—36 to 51 centimeters (14.2 to 20.1 inches); dark yellowish brown (10YR 3/4) silt loam; weak fine subangular blocky structure; friable; 6.0 roots; 10 percent faint light brownish gray (10YR 6/2) clay depletions on faces of peds; fragments; strongly acid, pH 5.2; clear smooth boundary. Lab sample # IL17868
    Bt2—51 to 66 centimeters (20.1 to 26.0 inches); brown (10YR 4/3) silty clay loam; friable; 10 percent faint light brownish gray (10YR 6/2) clay depletions on faces of peds; fragments; strongly acid, pH 5.2; clear smooth boundary. Lab sample # IL17869
    Bt3—66 to 94 centimeters (26.0 to 37.0 inches); 70 percent yellowish brown (10YR 5/4) silty clay loam; moderate medium subangular blocky structure; friable; 10 percent strong brown (7.5YR 5/8), moist, masses of oxidized iron and 25 percent very dark gray (7.5YR 3/1), moist, manganese masses and 30 percent fine faint brown (10YR 5/3) iron depletions; cylindrical black (10YR 2/1), moist, insect casts lining pores; fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # IL17870
    Bt4—94 to 114 centimeters (37.0 to 44.9 inches); light yellowish brown (10YR 6/4) silty clay loam; weak coarse subangular blocky structure; friable; 50 percent brown (10YR 4/3) clay films on all faces of peds; 1 percent strong brown (7.5YR 5/8), moist, masses of oxidized iron and 15 percent fine distinct 10Y 6/3 (10Y 6/3) iron depletions and 20 percent fine faint yellowish brown (10YR 5/4) masses of oxidized iron and 25 percent fine dark brown (7.5YR 3/2), moist, manganese masses; fragments; strongly acid, pH 5.3; gradual smooth boundary. Lab sample # IL17871
    BC—114 to 140 centimeters (44.9 to 55.1 inches); yellowish brown (10YR 5/4) silty clay loam; weak coarse angular blocky structure; friable; 1 percent fine distinct light brownish gray (10YR 6/2) iron depletions; fragments; strongly acid, pH 5.3; gradual smooth boundary. Lab sample # IL17872
    C—140 to 254 centimeters (55.1 to 100.0 inches); yellowish brown (10YR 5/4) silt loam; massive; friable; fragments; moderately acid, pH 5.6. Lab sample # IL17873