IDENTIFIERS

  • Current Taxon Name (Soil Name): Downs
  • OSD
  • Series Extent
  • User Site ID: S1987IL187002
  • User Pedon ID: 87IL187002-to be deleted
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0669
  • NCSS Pedon Lab Data NASIS Record ID - 59964
  • Print Date: 5/20/2024

    • 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: 40.6775017
  • Std. Longitude: -90.5463867
  • Datum: WGS84
  • Township: 8N
  • Range: 1W
  • Section: 18
  • PLSS Details: 1400 feet N and 1430 feet W of SE corner
  • State: Illinois
  • County: IL187—Warren

    • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Downs
  • Classificaton Date - 11/29/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Downs
  • Taxonomic Class - Fine-silty, mixed, mesic Mollic Hapludalf
  • Taxon Kind - series
  • Classificaton Date - 8/1/1987
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1987 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    1

    —

    —

    —

    —

    180

    —

    —

    —

    —

    —

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    1Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark gray (10YR 3/1) interior, gray (10YR 5/1) interior, dry; silt loam; moderate medium granular structure; friable; fragments; slightly acid, pH 6.4, hellige-truog; abrupt smooth boundary. Lab sample # 87P03540
    1E—15 to 26 centimeters (5.9 to 10.2 inches); dark grayish brown (10YR 4/2) interior silt loam; weak fine platy structure; friable; 37 percent distinct very dark gray (10YR 3/1), moist, organic stains; fragments; moderately acid, pH 5.6, hellige-truog; abrupt smooth boundary. Lab sample # 87P03541. common organic coats surface features
    1BE—26 to 43 centimeters (10.2 to 16.9 inches); brown (10YR 4/3) interior silt loam; weak medium platy, and weak fine subangular blocky structure; friable; 15 percent distinct very dark gray (10YR 3/1), moist, organic stains and 37 percent distinct gray (10YR 6/1), moist, coats; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # 87P03542. few organic coats surface features; common coats surface features
    1Bt1—43 to 75 centimeters (16.9 to 29.5 inches); yellowish brown (10YR 5/4) interior, pale brown (10YR 6/3) interior, dry; silty clay loam; weak medium prismatic, and moderate fine and medium angular blocky structure; friable; 37 percent distinct dark yellowish brown (10YR 4/4) clay films and 37 percent distinct gray (10YR 6/1) coats; fragments; strongly acid, pH 5.4, hellige-truog; gradual wavy boundary. Lab sample # 87P03543. common clay films surface features; common coats surface features; discontinuous - phpvsfiid 1498481; discontinuous - phpvsfiid 1498481
    1Bt2—75 to 97 centimeters (29.5 to 38.2 inches); brown (10YR 5/3) interior, pale brown (10YR 6/3) interior, dry; silty clay loam; moderate fine and medium angular blocky, and weak coarse prismatic structure; friable; 37 percent distinct manganese or iron-manganese stains and 37 percent distinct brown (10YR 4/3) clay films and 55 percent distinct grayish brown (10YR 5/2) coats; fragments; strongly acid, pH 5.2, hellige-truog; gradual wavy boundary. Lab sample # 87P03544. common clay films surface features; many coats surface features; common manganese or iron-manganese stains surface features
    1Bt3—97 to 135 centimeters (38.2 to 53.1 inches); brown (10YR 5/3) interior, very pale brown (10YR 7/4) interior, dry; silty clay loam; weak medium prismatic, and moderate fine angular blocky structure; friable; 37 percent distinct manganese or iron-manganese stains and 37 percent distinct brown (10YR 4/3) clay films and 55 percent distinct light gray (10YR 7/2) coats; 11 percent medium distinct yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix and 11 percent medium distinct light olive gray (5Y 6/2), moist, iron depletions in matrix; fragments; strongly acid, pH 5.4, hellige-truog; gradual wavy boundary. Lab sample # 87P03545. common clay films surface features; many coats surface features; common manganese or iron-manganese stains surface features; common medium distinct 10YR56 mottles; common medium distinct 5Y62 mottles
    1BC—135 to 190 centimeters (53.1 to 74.8 inches); brown (10YR 5/3) interior and light olive gray (5Y 6/2) interior, light gray (2.5Y 7/2) interior and pale yellow (2.5Y 7/4) interior, dry; silt loam; weak medium and coarse prismatic, and weak fine and medium subangular blocky structure; friable; manganese or iron-manganese stains and 15 percent distinct light gray (10YR 7/2) coats and 37 percent distinct brown (10YR 4/3) clay films on vertical faces of peds; 11 percent medium distinct yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; moderately acid, pH 5.6, hellige-truog. Lab sample # 87P03546. common clay films surface features on vertical faces of peds; few coats surface features; common medium distinct 10YR56 mottles; discontinuous - phpvsfiid 1498486; discontinuous - phpvsfiid 1498486
    1C—190 to 310 centimeters (74.8 to 122.0 inches); yellowish brown (10YR 5/4) interior silt loam; , moist, manganese or iron-manganese stains; 30 percent medium distinct light brownish gray (10YR 6/2), moist, iron depletions throughout; fragments. Lab sample # 87P03547. many medium distinct 10YR62 mottles
    2AB—310 to 330 centimeters (122.0 to 129.9 inches); brown (10YR 5/3) interior silt loam; 15 percent distinct , moist, manganese or iron-manganese stains; 1 percent medium distinct yellowish brown (10YR 5/6), moist, masses of oxidized iron throughout; fragments. Lab sample # 87P03548. few manganese or iron-manganese stains surface features; few medium distinct 10YR56 mottles
    2E—330 to 355 centimeters (129.9 to 139.8 inches); light brownish gray (2.5Y 6/2) interior silt loam; 15 percent distinct , moist, manganese or iron-manganese stains; 1 percent medium distinct yellowish brown (10YR 5/6), moist, masses of oxidized iron throughout; fragments. Lab sample # 87P03549. few manganese or iron-manganese stains surface features; few medium distinct 10YR56 mottles
    2Btg1—355 to 385 centimeters (139.8 to 151.6 inches); grayish brown (2.5Y 5/2) interior silty clay loam; 11 percent medium distinct brown (7.5YR 4/4), moist, masses of oxidized iron throughout; fragments. Lab sample # 87P03550. common medium prominent 7.5YR44 mottles
    2Btg2—385 to 410 centimeters (151.6 to 161.4 inches); reddish brown (5YR 5/4) interior clay loam; 11 percent medium distinct light brownish gray (10YR 6/2), moist, iron depletions throughout; fragments. Lab sample # 87P03551. common coarse distinct 10YR62 mottles
    2Btg3—410 to 435 centimeters (161.4 to 171.3 inches); yellowish red (5YR 5/6) interior clay loam; 11 percent coarse distinct brown (10YR 5/3), moist, masses of oxidized iron throughout; fragments. Lab sample # 87P03552. common coarse distinct 10YR53 mottles
    2Bt—435 to 465 centimeters (171.3 to 183.1 inches); yellowish red (5YR 5/6) interior sandy clay loam; 30 percent coarse distinct pink (5YR 7/4), moist, masses of oxidized iron throughout; fragments. Lab sample # 87P03553. many coarse distinct 10YR74 mottles
    3BC—465 to 550 centimeters (183.1 to 216.5 inches); strong brown (7.5YR 5/6) interior silt; 30 percent coarse distinct strong brown (7.5YR 5/6), moist, masses of oxidized iron throughout; fragments. Lab sample # 87P03554. many coarse distinct 10YR71 mottles