IDENTIFIERS

  • Current Taxon Name (Soil Name): Donnan
  • OSD
  • Series Extent
  • User Site ID: S1962IA065044
  • User Pedon ID: S1962IA065044
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X65782
  • NCSS Pedon Lab Data NASIS Record ID - 74909
  • Print Date: 11/21/2024

    • 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: 42.9208793
  • Std. Longitude: -91.8528499
  • Datum: WGS84
  • Township: 94N
  • Range: 9W
  • Section: 25
  • PLSS Details: 485 feet East of SW corner of SE1/4
  • Location Description: on road ditch bank
  • Country: US—United States
  • State: Iowa
  • County: IA065—Fayette
  • MLRA: 104—Eastern Iowa and Minnesota Till Prairies
  • Regional Office: 11—Indianapolis, IN
  • MLRA Soil Survey Area: NC-WAV—Waverly, Iowa
  • Non-MLRA Soil Survey Area: IA065—Fayette County, Iowa

    • PEDON

  • Describers Name: Unknown
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Pedon PC 6.0B
  • Sampled As Information:
  • Soil Name - Donnan
  • Taxon Kind - series
  • Classificaton Date - 8/6/2014
  • Classifier - Unknown
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: not certified
  • QC Status: not reviewed
  • QA Status: not reviewed


    • SITE

  • Anthropogenic Feature: road bank ditch
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/6/2014 (entry creation date)
  • Data Collector: Unknown
  • 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

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    A1—0 to 20 centimeters (0.0 to 7.9 inches); black (10YR 2/1) and dark gray (10YR 4/1) loam; weak very fine subangular blocky, and granular structure; friable; fragments; strongly acid, pH 5.3; clear boundary.
    A3—20 to 38 centimeters (7.9 to 15.0 inches); brown (10YR 4/3) and dark grayish brown (10YR 4/2) loam; weak very fine subangular blocky, and granular structure; friable; fragments; strongly acid, pH 5.3; clear boundary.
    B1—38 to 58 centimeters (15.0 to 22.8 inches); brown (10YR 4/3) and dark brown (10YR 3/3) loam; weak very fine subangular blocky structure; friable; many pores; fragments; strongly acid, pH 5.4; clear boundary.
    B2—58 to 79 centimeters (22.8 to 31.1 inches); yellowish brown (10YR 5/6) interior and 5/8 5/8) interior and light olive brown (2.5Y 5/4) exterior and olive gray (5Y 5/2) exterior and olive (5Y 5/3) exterior loam; weak prismatic, and weak very fine subangular blocky structure; friable; many pores; fragments; moderately acid, pH 5.8; abrupt boundary.
    2Bb2—79 to 135 centimeters (31.1 to 53.1 inches); gray (5Y 5/1) clay loam; brown (7.5YR 4/4) fine prominent and red (7.5R 5/6) coarse mottles; strong medium subangular blocky, and prismatic, and strong fine subangular blocky structure; very firm; clay films; fragments; slightly acid, pH 6.3; clear boundary. Lab sample # ISU02739. continuous - phpvsfiid 1325425; continuous - phpvsfiid 1325425
    Bb21—135 to 160 centimeters (53.1 to 63.0 inches); gray (5Y 6/1) and gray (5Y 5/1) interior and olive gray (5Y 5/2) interior and yellowish brown (10YR 5/6) interior and 5Y 5/8 (5Y 5/8) interior and 4/8 4/8) interior and gray (5Y 5/1) exterior and olive gray (5Y 5/2) exterior and yellowish brown (10YR 5/6) exterior and 5Y 5/8 (5Y 5/8) exterior and 4/8 4/8) exterior loam; prismatic, and moderate fine subangular blocky, and moderate medium subangular blocky structure; friable; fragments; neutral, pH 6.6; clear boundary.
    Bb3—160 to 183 centimeters (63.0 to 72.0 inches); 5Y 5/8 (5Y 5/8) interior and 4/8 4/8) interior and 4/6 4/6) interior and light olive gray (5Y 6/2) interior and pale olive (5Y 6/3) interior and gray (5Y 6/1) interior and dark reddish brown (5YR 3/4) interior and light olive gray (5Y 6/2) exterior and pale olive (5Y 6/3) exterior sandy loam; weak prismatic, and weak very fine subangular blocky structure; friable; ; fragments; neutral, pH 6.6; clear boundary. Lab sample # ISU02740
    Cb1—183 to 213 centimeters (72.0 to 83.9 inches); strong brown (7.5YR 5/8) loam; fine faint mottles; friable; fragments; slightly acid, pH 6.4; clear boundary.
    Cb12—213 to 244 centimeters (83.9 to 96.1 inches); light olive gray (5Y 6/2) and yellowish brown (10YR 5/6) and yellowish red (5YR 5/8) loam; friable; fragments; neutral, pH 6.8.