IDENTIFIERS

  • Current Taxon Name (Soil Name): Backbone
  • OSD
  • Series Extent
  • User Site ID: M74IA089Backbone018
  • User Pedon ID: S1974IA089018
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X45-109-2
  • NCSS Pedon Lab Data NASIS Record ID - 75237
  • Print Date: 5/20/2024

    • 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: 43.3387571
  • Std. Longitude: -92.1227590
  • Datum: WGS84
  • Township: 98N
  • Range: 11W
  • Section: 3
  • PLSS Details: 1200 feet south and 800 feet west of the northeast corner
  • Location Description: Location suspect. See Site Text note about location.
  • 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: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Backbone
  • Classificaton Date - 7/5/2012
  • Classifier - Ryan Dermody
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Backbone
  • Taxonomic Class - Coarse-loamy, mixed, mesic Mollic Hapludalfs
  • Taxon Kind - series
  • Classificaton Date - 7/25/2011
  • Classifier - Robin Wisner
  • Moisture Class - udic
  • 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 upland
  • Landform: 1 ridge
  • Geomorphic Component Hills: crest
  • Hill Slope Profile: shoulder
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: somewhat excessively
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/25/2011 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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—89—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

    4

    —

    —

    —

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) fine sandy loam; 62 percent sand; 31 percent silt; 7 percent clay; moderate fine granular structure; very friable; fragments; neutral, pH 7.3, pH meter; abrupt smooth boundary. Lab sample # ISU02117; moist when described; observed in push tube
    E—20 to 30 centimeters (7.9 to 11.8 inches); brown (10YR 4/3), very pale brown (10YR 7/3), dry; fine sandy loam; 62 percent sand; 32 percent silt; 6 percent clay; weak medium platy parts to weak fine subangular blocky structure; very friable; 20 percent distinct very pale brown (10YR 7/3), dry, silt coats on all faces of peds; fragments; slightly alkaline, pH 7.6, pH meter; clear smooth boundary. Lab sample # ISU02118. discontinuous - phpvsfiid 1325110; discontinuous - phpvsfiid 1325110
    Bt1—30 to 43 centimeters (11.8 to 16.9 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; sandy loam; 67 percent sand; 28 percent silt; 6 percent clay; weak medium subangular blocky structure; very friable; 15 percent distinct very pale brown (10YR 7/3), moist, silt coats on all faces of peds and 20 percent distinct dark yellowish brown (10YR 3/4), moist, clay films on all faces of peds; fragments; slightly alkaline, pH 7.5, pH meter; clear smooth boundary. Lab sample # ISU02119. discontinuous - phpvsfiid 1325114; patchy - phpvsfiid 1325113; discontinuous - phpvsfiid 1325114; patchy - phpvsfiid 1325113
    Bt2—43 to 56 centimeters (16.9 to 22.0 inches); dark yellowish brown (10YR 4/4) sandy loam; 74 percent sand; 20 percent silt; 6 percent clay; weak fine subangular blocky structure; friable; 20 percent faint dark yellowish brown (10YR 3/4) clay films on all faces of peds; fragments; neutral, pH 7.3, pH meter; gradual smooth boundary. Lab sample # ISU02120. patchy - phpvsfiid 1325115; patchy - phpvsfiid 1325115
    Bt3—56 to 69 centimeters (22.0 to 27.2 inches); dark yellowish brown (10YR 4/4) sandy clay loam; 74 percent sand; 6 percent silt; 20 percent clay; moderate fine subangular blocky structure; firm; 45 percent distinct dark yellowish brown (10YR 3/4), moist, organoargillans on all faces of peds; fragments; slightly alkaline, pH 7.5, pH meter; clear smooth boundary. Lab sample # ISU02121. continuous - phpvsfiid 1325111; continuous - phpvsfiid 1325111
    2Bt4—69 to 74 centimeters (27.2 to 29.1 inches); 60 percent dark brown (10YR 3/3) and 40 percent dark yellowish brown (10YR 4/4) sandy clay loam; 57 percent sand; 9 percent silt; 34 percent clay; moderate very fine angular blocky, and moderate fine angular blocky structure; very firm; 45 percent distinct very dark brown (10YR 2/2), moist, organoargillans on all faces of peds; fragments; slightly alkaline, pH 7.7, pH meter; abrupt wavy boundary. Lab sample # ISU02122. continuous - phpvsfiid 1325112; continuous - phpvsfiid 1325112
    2Bt5—74 to 89 centimeters (29.1 to 35.0 inches); dark yellowish brown (10YR 4/4) sandy clay loam; 65 percent sand; 9 percent silt; 27 percent clay; weak medium subangular blocky structure; very firm; 20 percent distinct dark brown (10YR 3/3), moist, organoargillans on all faces of peds; 60 percent by volume flat angular very strongly coherent cemented 2-7-10 millimeter limestone, unspecified fragments; slight effervescence, by hcl, 1n; strongly alkaline, pH 8.5, pH meter; abrupt wavy boundary. Lab sample # ISU02123. discontinuous - phpvsfiid 1325116; discontinuous - phpvsfiid 1325116
    2Cr—89 to 203 centimeters (35.0 to 79.9 inches); sandy loam, loamy sand; fragments; gradual wavy boundary. Lab sample # ISU02124, ISU02125. hard shattered limestone bedrock that is 10 to 15 percent sandy loam material; in the upper 30 centimeters are a few fragments that have thin patches of clayey residuum; limestone fragments are dominantly rectangualr and locked into place; their lower limit is estimated.
    2R—203 to 204 centimeters (79.9 to 80.3 inches); bedrock; fragments. hard, level bedded limestone.