IDENTIFIERS

  • Current Taxon Name (Soil Name): Backbone
  • OSD
  • Series Extent
  • User Site ID: M64IA089Backbone017
  • User Pedon ID: S1964IA089017
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X45-109-1
  • NCSS Pedon Lab Data NASIS Record ID - 75236
  • Print Date: 4/19/2025

    • 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: 43.3287652
  • Std. Longitude: -92.1004742
  • Datum: WGS84
  • Township: 98N
  • Range: 11W
  • Section: 2
  • PLSS Details: 220 feet west and 100 feet north of the southeast corner
  • Location Description: Location suspect. See Site Text note about location. 86 feet southeast along fence from corner post above northeast diagonal road crossing river and 59 feet northeast.
  • Country: US—United States
  • State: Iowa
  • County: IA089—Howard
  • MLRA: 104—Eastern Iowa and Minnesota Till Prairies
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-WAV—Waverly, Iowa
  • Non-MLRA Soil Survey Area: IA089—Howard County, Iowa

    • PEDON

  • Describers Name: Robin Wisner
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, mesic Mollic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Backbone
  • Classificaton Date - 7/9/2012
  • Classifier - Lee Camp
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Backbone
  • Taxon Kind - series
  • Classificaton Date - 7/25/2011
  • Classifier - Unknown
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: not certified
  • QC Status: not reviewed
  • QA Status: not reviewed


    • SITE

  • Parent Material: coarse-loamy eolian deposits over limestone
  • Landscape: 2 river valley
  • Landform: 1 structural bench
  • Geomorphic Component Hills: crest
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: excessively
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/25/2011 (entry creation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    lithic contact

    51—102

    51—79—102
    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

    3

    —

    —

    —

    —

    225

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark brown (10YR 3/3), light brownish gray (10YR 6/2), dry; loamy sand; weak fine granular structure; very friable; fragments; slightly acid, pH 6.3, pH meter; abrupt smooth boundary. Lab sample # ISU03725; moist when described; observed in push tube
    E—18 to 33 centimeters (7.1 to 13.0 inches); brown (10YR 5/3), very pale brown (10YR 8/2), dry; loamy sand; 1 percent dark yellowish brown (10YR 3/4) fine distinct irregular mottles; weak medium platy structure; very friable; fragments; slightly acid, pH 6.2, pH meter; clear smooth boundary. Lab sample # ISU03726
    BE—33 to 53 centimeters (13.0 to 20.9 inches); brown (10YR 5/3), light gray (10YR 7/2), dry; loamy sand; weak fine subangular blocky structure; very friable; 20 percent distinct dark yellowish brown (10YR 3/4), moist, and dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds; fragments; slightly acid, pH 6.4, pH meter; clear smooth boundary. Lab sample # ISU03727. discontinuous - phpvsfiid 1362036; discontinuous - phpvsfiid 1362036
    Bt1—53 to 64 centimeters (20.9 to 25.2 inches); 60 percent brown (7.5YR 4/4) interior and 40 percent brown (10YR 5/3) exterior clay loam; weak fine subangular blocky structure; friable; 1.0 fine roots throughout; 20 percent distinct brown (10YR 4/3), moist, clay films on all faces of peds; fragments; neutral, pH 6.7, pH meter; clear smooth boundary. Lab sample # ISU03728. patchy - phpvsfiid 1362037; patchy - phpvsfiid 1362037
    Bt2—64 to 74 centimeters (25.2 to 29.1 inches); 60 percent brown (7.5YR 4/4) interior and 40 percent dark brown (7.5YR 3/2) exterior sandy clay loam; moderate coarse subangular blocky structure; firm; 10 percent prominent dark reddish brown (5YR 2/2), moist, clay bridges between sand grains and 20 percent prominent dark reddish brown (5YR 2/2), moist, clay films on all faces of peds; fragments; neutral, pH 6.6, pH meter; abrupt wavy boundary. Lab sample # ISU03729. discontinuous - phpvsfiid 1362039; patchy - phpvsfiid 1362038; discontinuous - phpvsfiid 1362039; patchy - phpvsfiid 1362038
    2Bt3—74 to 79 centimeters (29.1 to 31.1 inches); brown (7.5YR 4/4) clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; very firm; 45 percent distinct dark reddish brown (5YR 3/2), moist, organoargillans on all faces of peds; 1 percent fine distinct irregular weakly coherent cemented yellowish red (5YR 4/6), moist, masses of oxidized iron throughout; fragments; neutral, pH 6.8, pH meter; abrupt irregular boundary. Lab sample # ISU03730. continuous - phpvsfiid 1362040; continuous - phpvsfiid 1362040
    2R—79 to 80 centimeters (31.1 to 31.5 inches); fragments. Lab sample # ISU03731. shattered limestone (estmated 15 centimeters thick over solid limestone) a little of the 2Bt3 "dribbles" into the upper 8 centimeters of the limestone.