IDENTIFIERS

  • Current Taxon Name (Soil Name): Seaton
  • OSD
  • Series Extent
  • User Site ID: 1976IL085016
  • User Pedon ID: 1976IL085016
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 76IL085016
  • Print Date: 12/10/2025

    • 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: 42.5067833
  • Std. Longitude: -90.6347194
  • Datum: WGS84
  • Township: 29N
  • Range: 2W
  • Section: 17
  • PLSS Details: 550 feet west and 130 feet north of center
  • Location Description: Dunleith Township; Located about 1/2 mile NE of the town of east Dubuque & about 1/4 mile east of the Mississippi River Bluff clse to the Wisconsin State Line in a large Seaton (274C2) map unit
  • Country: US—United States
  • State: Illinois
  • County: IL085—Jo Daviess
  • MLRA: 105—Upper Mississippi River Bedrock Controlled Uplands and Valleys
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-ONA—Onalaska, Wisconsin
  • Non-MLRA Soil Survey Area: IL085—Jo Daviess County, Illinois

    • PEDON

  • Describers Name: LAJ, TJO
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 16
  • Correlated Information:
  • Soil Name - Seaton
  • PSC - 23 to 73 cm.
  • Classificaton Date - 7/10/2009
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Fayette
  • Classificaton Date - 8/1/1976
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: coarse loess
  • Landscape: upland
  • Landform: hillslope
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1976 (actual site observation date)
  • Air Photo ID:
  • 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
  • Yield Study ID -
    • 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

    —

    —

    244

    —

    825

    —

    150

    8.5

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2) silt loam; weak fine subangular blocky, and moderate fine granular structure; friable; 6.0 fine roots; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # IL24420
    B1—13 to 23 centimeters (5.1 to 9.1 inches); dark yellowish brown (10YR 4/4) silt loam; weak medium platy, and moderate angular blocky structure; friable; 6.0 fine roots; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # IL24421
    B21t—23 to 41 centimeters (9.1 to 16.1 inches); dark yellowish brown (10YR 4/4) silt loam; moderate medium angular blocky, and moderate fine subangular blocky structure; friable; 6.0 fine roots; brown (7.5YR 4/4), moist, clay films on all faces of peds and silt coats on all faces of peds; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL24422. discontinuous - phpvsfiid 465020; discontinuous - phpvsfiid 465021; discontinuous - phpvsfiid 465020; discontinuous - phpvsfiid 465021
    B22t—41 to 61 centimeters (16.1 to 24.0 inches); brown (7.5YR 4/4) silty clay loam; moderate medium subangular blocky structure; friable; 6.0 fine roots; reddish brown (5YR 4/3), moist, clay films on all faces of peds and silt coats; fragments; moderately acid, pH 5.6; clear smooth boundary. Lab sample # IL24423. continuous - phpvsfiid 465022; discontinuous - phpvsfiid 465023; continuous - phpvsfiid 465022; discontinuous - phpvsfiid 465023
    B23t—61 to 76 centimeters (24.0 to 29.9 inches); brown (7.5YR 4/4) silty clay loam; moderate coarse subangular blocky, and moderate medium angular blocky structure; friable; 3.0 fine roots; reddish brown (5YR 4/3), moist, clay films on all faces of peds and 10 percent silt coats on all faces of peds; fragments; moderately acid, pH 5.7; clear smooth boundary. Lab sample # IL24424. continuous - phpvsfiid 465024; continuous - phpvsfiid 465024
    B24t—76 to 102 centimeters (29.9 to 40.2 inches); brown (7.5YR 4/4) silty clay loam; moderate coarse subangular blocky structure; friable; 3.0 fine roots; reddish brown (5YR 4/3), moist, clay films on all faces of peds and 10 percent silt coats on all faces of peds; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # IL24425. continuous - phpvsfiid 465026; continuous - phpvsfiid 465026
    B3t—102 to 122 centimeters (40.2 to 48.0 inches); dark yellowish brown (10YR 4/4) silt loam; moderate coarse subangular blocky structure; friable; 0.6 fine roots; brown (7.5YR 4/4), moist, clay films on all faces of peds and 10 percent silt coats on all faces of peds; fragments; strongly acid, pH 5.5; gradual smooth boundary. Lab sample # IL24426. discontinuous - phpvsfiid 465028; discontinuous - phpvsfiid 465028
    C1—122 to 165 centimeters (48.0 to 65.0 inches); dark yellowish brown (10YR 4/4) silt loam; 10 percent light brownish gray (10YR 6/2) fine faint and 10 percent strong brown (7.5YR 5/6) fine faint mottles; massive; friable; 0.6 fine roots; 10 percent brown (10YR 4/3), moist, clay films on surfaces along root channels; fragments; moderately acid, pH 6.0. Lab sample # IL24427