IDENTIFIERS

  • Current Taxon Name (Soil Name): Osco
  • OSD
  • Series Extent
  • User Site ID: 1948IL129002
  • User Pedon ID: 1948IL129002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2777
  • NCSS Pedon Lab Data NASIS Record ID - 73135
  • Print Date: 12/11/2024

    • LOCATION

  • Township: 18N
  • Range: 7W
  • Section: 33
  • PLSS Details: NE 1/4, NE 40, NW 10; 165 feet east of northwest corner of NW 10
  • State: Illinois
  • County: IL129—Menard
  • Non-MLRA Soil Survey Area: IL129—Menard County, Illinois

    • PEDON

  • Describers Name: Dr. Whiteside and R.H. Rust
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Osco
  • Classificaton Date - 6/15/2007
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tama
  • Classificaton Date - 8/10/1948
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Landscape: till plain
  • Landform: knoll
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/10/1948 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    —

    —

    —

    —

    1025

    —

    190

    13

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 23 centimeters (0.0 to 9.1 inches); very dark gray (10YR 3/1) broken face and very dark grayish brown (10YR 3/2) crushed silt loam; fine granular structure; friable; fragments; strongly acid, pH 5.3. Lab sample # 40A21930
    A2—23 to 41 centimeters (9.1 to 16.1 inches); very dark gray (10YR 3/1) broken face and dark grayish brown (10YR 4/2) crushed silty clay loam; medium granular, and angular blocky structure; friable; fragments; moderately acid, pH 5.6. Lab sample # 40A21931
    AB—41 to 53 centimeters (16.1 to 20.9 inches); very dark grayish brown (10YR 3/2) broken face and brown (10YR 4/3) interior and brown (10YR 4/3) crushed silty clay loam; coarse granular parts to fine subangular blocky structure; friable; fragments; moderately acid, pH 5.7. Lab sample # 40A21932
    Bt1—53 to 69 centimeters (20.9 to 27.2 inches); brown (10YR 4/3) broken face and yellowish brown (10YR 5/4) crushed silty clay loam; medium subangular blocky structure; friable; dark grayish brown (10YR 4/2) clay films; fragments; moderately acid, pH 5.6. Lab sample # 40A21933
    Bt2—69 to 86 centimeters (27.2 to 33.9 inches); brown (10YR 4/3) broken face and light yellowish brown (10YR 6/4) and brownish yellow (10YR 6/6) and yellowish brown (10YR 5/6) crushed silty clay loam; coarse subangular blocky structure; firm; dark grayish brown (10YR 4/2) clay films; fragments; moderately acid, pH 5.6. Lab sample # 40A21934
    Bt3—86 to 102 centimeters (33.9 to 40.2 inches); yellowish brown (10YR 5/4) broken face and light yellowish brown (10YR 6/4) and brownish yellow (10YR 6/6) and yellowish brown (10YR 5/6) crushed silt loam; very coarse subangular blocky structure; firm; brown (10YR 4/3) clay films; fragments; moderately acid, pH 5.8. Lab sample # 40A21935
    Bt4—102 to 122 centimeters (40.2 to 48.0 inches); yellowish brown (10YR 5/6) broken face and yellowish brown (10YR 5/6) crushed silt loam; massive; friable; 10 percent brown (10YR 4/3) clay films; fragments; slightly acid, pH 6.3. Lab sample # 40A21936
    C1—122 to 135 centimeters (48.0 to 53.1 inches); light yellowish brown (10YR 6/4) broken face silt loam; massive; very friable; fragments; slightly alkaline, pH 7.7. Lab sample # 40A21937. Not sampled.
    C2—135 to 150 centimeters (53.1 to 59.1 inches); 80 percent white (10YR 8/1) broken face and 16 percent very pale brown (10YR 7/4) broken face and 4 percent yellowish red (5YR 4/6) broken face silt loam; fragments; slightly alkaline, pH 7.7. Lab sample # 40A21938