IDENTIFIERS

  • Current Taxon Name (Soil Name): OTLEY
  • OSD
  • Series Extent
  • User Site ID: S1961IA183001
  • User Pedon ID: S1961IA183001
  • Vegetation Plot ID: S1961IA183001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A1445
  • NCSS Pedon Lab Data NASIS Record ID - 35053
  • Print Date: 11/23/2024

    • 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: 41.3652763
  • Std. Longitude: -91.7658310
  • Datum: WGS84
  • Township: 76N
  • Range: 8W
  • Section: 27
  • PLSS Details: 757 feet east and 226 feet south of NW corner of NE 1/4 NW 1/4
  • State: Iowa
  • County: IA183—Washington
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Non-MLRA Soil Survey Area: IA183—Washington County, Iowa

    • PEDON

  • Describers Name: D. F. Slusher
  • Current Taxonomic Class: Fine, montmorillonitic, mesic Typic Argiudolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - OTLEY
  • PSC - 51 to 91 cm.
  • Classificaton Date - 7/16/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Otley
  • Classificaton Date - 10/3/1961
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: ridge
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/3/1961 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - other
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    TRIFO

    Trifolium

    clover

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    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

    2

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    —

    —

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    135

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    A1p—0 to 15 centimeters (0.0 to 5.9 inches); black (10YR 2/1) and very dark brown (10YR 2/2) and very dark brown (10YR 2/2) rubbed, dark gray (10YR 4/1), dry; silty clay loam; moderate medium angular blocky structure; firm; fragments; abrupt smooth boundary. Lab sample # 40A11172
    A12—15 to 28 centimeters (5.9 to 11.0 inches); very dark brown (10YR 2/2) exterior and very dark grayish brown (10YR 3/2) interior, grayish brown (10YR 5/2), dry; silty clay loam; moderate fine granular structure; friable; 0.5 tubular pores; 1 percent very dark grayish brown (10YR 3/2) worm casts; fragments; clear smooth boundary. Lab sample # 40A11173. Pores described as wormholes; mixings of 10YR 2/1 from Ap.
    A3—28 to 38 centimeters (11.0 to 15.0 inches); very dark brown (10YR 2/2) exterior and very dark grayish brown (10YR 3/2) interior and very dark grayish brown (10YR 3/2) rubbed, brown (10YR 5/3), dry; silty clay loam; moderate very fine subangular blocky, and moderate fine granular structure; friable; 3.0 tubular pores; 3 percent brown (10YR 4/3) worm casts and 1 percent black (10YR 2/1) worm casts; fragments; clear smooth boundary. Lab sample # 40A11174. Pores described as wormholes.
    B1—38 to 51 centimeters (15.0 to 20.1 inches); brown (10YR 4/3), light brownish gray (10YR 6/2), dry; silty clay loam; moderate very fine subangular blocky, and moderate fine granular structure; friable; 0.5 fine tubular and 0.5 tubular pores; 1 percent very dark brown (10YR 2/2) worm casts; fragments; gradual smooth boundary. Lab sample # 40A11175. Few streaks of 10YR 2/2 stains on peds; pores described with no size are wormholes.
    B21—51 to 66 centimeters (20.1 to 26.0 inches); brown (10YR 4/3) exterior and dark grayish brown (10YR 4/2) interior and brown (10YR 4/3) rubbed and brown (10YR 5/3) rubbed silty clay loam; 1 percent grayish brown (10YR 5/2) fine faint and 1 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate fine subangular blocky parts to moderate very fine subangular blocky structure; firm; 3.0 very fine and fine tubular pores; 10 percent distinct clay films on faces of peds and 10 percent coats on faces of peds; fragments; gradual smooth boundary. Lab sample # 40A11176. Few fine soft oxide concretions.; discontinuous - phpvsfiid 186269; discontinuous - phpvsfiid 186269
    B22—66 to 81 centimeters (26.0 to 31.9 inches); dark grayish brown (10YR 4/2) exterior and brown (10YR 5/3) interior and brown (10YR 4/3) rubbed and yellowish brown (10YR 5/4) rubbed silty clay loam; 3 percent grayish brown (10YR 5/2) fine faint and 3 percent yellowish brown (10YR 5/4) fine faint and 3 percent brown (10YR 4/3) fine faint mottles; weak fine prismatic parts to moderate fine subangular blocky structure; firm; 3.0 very fine and fine tubular pores; 10 percent distinct clay films on faces of peds and 10 percent oxide coats; fragments; gradual smooth boundary. Lab sample # 40A11177. All mottles located inside peds. Common fine hard oxide concretions.; discontinuous - phpvsfiid 186271; discontinuous - phpvsfiid 186271
    B23—81 to 97 centimeters (31.9 to 38.2 inches); grayish brown (2.5Y 5/2) exterior and grayish brown (2.5Y 5/2) interior and yellowish brown (10YR 5/4) interior and yellowish brown (10YR 5/4) rubbed silty clay loam; 3 percent brown (10YR 4/3) fine distinct mottles; moderate medium prismatic parts to moderate fine subangular blocky structure; firm; 3.0 fine tubular pores; 10 percent oxide coats; fragments; gradual smooth boundary. Lab sample # 40A11178. All mottles located inside peds; few fine soft oxide stains inside peds.
    B31—97 to 117 centimeters (38.2 to 46.1 inches); grayish brown (2.5Y 5/2) silty clay loam; 21 percent yellowish brown (10YR 5/6) fine distinct and 21 percent dark yellowish brown (10YR 4/4) fine distinct mottles; moderate coarse prismatic parts to weak medium subangular blocky structure; firm; 3.0 fine tubular pores; 30 percent distinct clay films on faces of peds; fragments; clear smooth boundary. Lab sample # 40A11179. Prism faces have faint grainy coatings partially imbedded in peds, evident when dry and very faint when moist; common fine soft oxide concretions.
    B32—117 to 142 centimeters (46.1 to 55.9 inches); grayish brown (2.5Y 5/2) exterior and gray (5Y 6/1) interior silty clay loam; moderate coarse prismatic structure; firm; 3.0 very fine tubular pores; 10 percent clay films in root channels and/or pores and 10 percent distinct very dark gray (10YR 3/1), moist, clay films on faces of peds; fragments; gradual smooth boundary. Lab sample # 40A11180. Common medium prominent (7.5YR 5/8) segregations inside prisms; clay films appear as vertical streaks; spherical clay accumulations; few fine soft oxide concretions.
    C1—142 to 170 centimeters (55.9 to 66.9 inches); gray (5Y 6/1) silt loam; massive; firm; 3.0 very fine tubular pores; fragments; diffuse smooth boundary. Lab sample # 40A11181. Common fine distinct 7.5YR 5/8 vertical streaks and segregations occur in places; few fine hard oxide concretions.
    C2—170 to 201 centimeters (66.9 to 79.1 inches); gray (5Y 6/1) silt loam; massive; firm; 3.0 very fine tubular pores; fragments; gradual smooth boundary. Lab sample # 40A11182. Common fine distinct 7.5YR 5/8 vertical streaks and segregations; few fine hard oxide concretions; 3 to 4 continuous 7/5YR 5/8 horizontal bands about 1 to 2 inches wide crossing face of pit at 45 degree angle; slight decrease in clay from above horizon.
    C3—201 to 224 centimeters (79.1 to 88.2 inches); gray (5Y 6/1) silt loam; massive; firm; 3.0 very fine tubular pores; fragments; gradual smooth boundary. Lab sample # 40A11183. 3 to 4 continuous 7.5YR 5/8 horizontal bands about 1 to 2 inches wide crossing face of pit at 45 degree angle; slight decrease in clay from above horizon.
    C4—224 to 315 centimeters (88.2 to 124.0 inches); gray (5Y 6/1) silt loam; massive; firm; 3.0 very fine tubular pores; fragments. Lab sample # 40A11184. Paleosol at 124 inches.