IDENTIFIERS

  • Current Taxon Name (Soil Name): Sperry
  • OSD
  • Series Extent
  • User Site ID: S1995IA101001
  • User Pedon ID: S1995IA101001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 95P0465
  • NCSS Pedon Lab Data NASIS Record ID - 67483
  • Print Date: 1/31/2025
  • 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: 41.1450157
  • Std. Longitude: -92.0243301
  • Datum: WGS84
  • Township: 73N
  • Range: 10W
  • Section: 8
  • PLSS Details: 1480 feet south and 150 feet west of the northeast corner
  • Country: US—United States
  • State: Iowa
  • County: IA101—Jefferson
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-WAV—Waverly, Iowa
  • Non-MLRA Soil Survey Area: IA101—Jefferson County, Iowa
  • PEDON

  • Describers Name: JDH, FFR, TEF, JRW, JAL, TJO, LDC
  • Current Taxonomic Class: Fine, smectitic, mesic Typic Argialbolls
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Sperry
  • PSC - 46 to 96 cm.
  • Classificaton Date - 1/5/2016
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Sperry
  • Taxonomic Class - Fine, montmorillonitic, mesic Typic Argialbolls
  • PSC - 46 to 96 cm.
  • Classificaton Date - 1/11/1989
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess derived from mixed
  • Landscape: upland
  • Landform: bench
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: very poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/11/1989 (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

    1

    864

    11

    Ap—0 to 25 centimeters (0.0 to 9.8 inches); very dark gray (10YR 3/1), dark gray (10YR 4/1), dry; silt loam; weak fine granular structure; friable; 3.0 roots; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 95P03475. 8 to 12 inches thick.
    E—25 to 46 centimeters (9.8 to 18.1 inches); dark gray (10YR 4/1) silt loam; 3 percent dark yellowish brown (10YR 4/4) fine distinct mottles; weak fine subangular blocky structure; friable; very fine roots; 30 percent very dark gray (10YR 3/1) organic stains; 1 percent fine dark concretions; fragments; slightly acid, pH 6.3, hellige-truog; abrupt smooth boundary. Lab sample # 95P03476. 6 to 12 inches thick.
    Btg1—46 to 56 centimeters (18.1 to 22.0 inches); dark gray (10YR 4/1) silty clay loam; 3 percent yellowish brown (10YR 5/4) fine distinct mottles; weak fine subangular blocky structure; 10 percent silt coats; fragments; clear smooth boundary. Lab sample # 95P03477. discontinuous - phpvsfiid 194457; discontinuous - phpvsfiid 194457
    Btg2—56 to 76 centimeters (22.0 to 29.9 inches); dark gray (10YR 4/1) silty clay loam; dark yellowish brown (10YR 4/4) and 3 percent yellowish brown (10YR 5/4) fine distinct mottles; strong fine subangular blocky structure; firm; 3.0 very fine and fine roots; very dark gray (10YR 3/1) coats on faces of peds and prominent clay films; fragments; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # 95P03478. continuous - phpvsfiid 194462; continuous - phpvsfiid 194462
    Btg3—76 to 89 centimeters (29.9 to 35.0 inches); gray (10YR 5/1) silty clay; yellowish brown (10YR 5/8) and 21 percent yellowish brown (10YR 5/6) fine and medium distinct mottles; moderate fine and medium subangular blocky structure; firm; 0.5 very fine roots; faint clay films and distinct clay films; fragments; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # 95P03479. continuous - phpvsfiid 194463; continuous - phpvsfiid 194464; continuous - phpvsfiid 194463; continuous - phpvsfiid 194464
    Btg4—89 to 107 centimeters (35.0 to 42.1 inches); gray (5Y 5/1) silty clay loam; yellowish brown (10YR 5/8) and 21 percent yellowish brown (10YR 5/6) fine and medium prominent mottles; moderate medium subangular blocky structure; firm; faint clay films; fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # 95P03480. Combined thickness of the Btg horizons is 18 to 30 inches.; discontinuous - phpvsfiid 194465; discontinuous - phpvsfiid 194465
    Btg5—107 to 132 centimeters (42.1 to 52.0 inches); light olive gray (5Y 6/2) and olive gray (5Y 5/2) silty clay loam; strong brown (7.5YR 5/8) and 3 percent strong brown (7.5YR 5/6) medium prominent mottles; weak medium prismatic parts to weak and moderate medium subangular blocky structure; friable; faint clay films and 10 percent very dark gray (10YR 3/1) clay films in root channels and/or pores; fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # 95P03481. 8 to 18 inches thick.; discontinuous - phpvsfiid 194466; discontinuous - phpvsfiid 194466
    Btg6—132 to 147 centimeters (52.0 to 57.9 inches); light olive gray (5Y 6/2) and olive gray (5Y 5/2) silty clay loam; strong brown (7.5YR 5/8) and 3 percent strong brown (7.5YR 5/6) medium prominent mottles; massive; 10 percent very dark gray (10YR 3/1) clay films in root channels and/or pores; fragments; slightly acid, pH 6.3, hellige-truog. Lab sample # 95P03482
    BCg—147 to 168 centimeters (57.9 to 66.1 inches); light olive gray (5Y 6/2) and olive gray (5Y 5/2) silty clay loam; strong brown (7.5YR 5/8) and 3 percent strong brown (7.5YR 5/6) medium prominent mottles; massive; 0.5 very fine pores; 10 percent strong brown (7.5YR 5/8) clay films in root channels and/or pores and 10 percent very dark gray (10YR 3/1) clay films in root channels and/or pores and 10 percent strong brown (7.5YR 5/6) clay films in root channels and/or pores; fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # 95P03483
    Cg—168 to 203 centimeters (66.1 to 79.9 inches); olive gray (5Y 5/2) and light olive gray (5Y 6/2) and strong brown (7.5YR 5/8) silty clay loam; fragments. Lab sample # 95P03484