IDENTIFIERS

  • Current Taxon Name (Soil Name): Rockton
  • OSD
  • Series Extent
  • User Site ID: S1982IA105008
  • User Pedon ID: S1982IA105008
  • Vegetation Plot ID: S1982IA105008
  • User Site Association ID: NC-WAV_Rockton_EVAL_Project
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - ISU2015
  • Lab Pedon # - X53-213B-1
  • NCSS Pedon Lab Data NASIS Record ID - 74778
  • Print Date: 4/27/2025

    • 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: 42.2689129
  • Std. Longitude: -91.1701315
  • Datum: WGS84
  • Township: 86N
  • Range: 3W
  • Section: 10
  • PLSS Details: 900 feet north and 100 feet west of the southeast corner
  • Country: US—United States
  • State: Iowa
  • County: IA105—Jones
  • 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: IA105—Jones County, Iowa

    • PEDON

  • Describers Name: Unknown
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Typic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Pedon PC 6.0B
  • Correlated Information:
  • Soil Name - Rockton
  • Classificaton Date - 6/25/1982
  • Classifier - Unknown
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Rockton
  • Taxonomic Class - Fine-loamy, mixed, mesic Typic Argiudolls
  • Taxon Kind - series
  • Classificaton Date - 6/25/1982
  • Classifier - Unknown
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: not certified
  • QC Status: level 1
  • QA Status: not reviewed


    • SITE

  • Parent Material: loess over residuum weathered from limestone
  • Landscape: dissected till plain, river valley
  • Landform: strath terrace, bedrock controlled interfluve
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Bedrock: limestone, unspecified at 97cm
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

  • Vegplot Text Note(s): A scan of the original data (i.e. field sheet(s), edits, manuscripts, notes, and other associated data) is available in the scans archive.

    • SITE OBSERVATION

  • Observation Date: 6/25/1982 (actual site observation date)
  • Data Collector: Unknown
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • 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

    ZEMA

    Zea mays

    corn

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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

    3

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    —

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    180

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    Ap—0 to 23 centimeters (0.0 to 9.1 inches); black (10YR 2/1) loam; 30 percent sand; 22 percent clay; weak fine subangular blocky parts to weak fine granular structure; friable; fragments; slightly alkaline, pH 7.6, unspecified; abrupt smooth boundary. Lab sample # ISU01002
    A—23 to 41 centimeters (9.1 to 16.1 inches); very dark grayish brown (10YR 3/2) loam; 29 percent sand; 22 percent clay; weak fine subangular blocky structure; friable; very dark brown (10YR 2/2), moist, coats; fragments; slightly alkaline, pH 7.6, unspecified; gradual smooth boundary. Lab sample # ISU01003. continuous - phpvsfiid 1268376; continuous - phpvsfiid 1268376
    Bt1—41 to 51 centimeters (16.1 to 20.1 inches); brown (10YR 4/3) loam; 28 percent sand; 26 percent clay; weak fine subangular blocky structure; friable; few fine pores; dark brown (10YR 3/3), moist, coats and clay films; fragments; neutral, pH 6.8, unspecified; gradual smooth boundary. Lab sample # ISU01004
    Bt2—51 to 69 centimeters (20.1 to 27.2 inches); dark yellowish brown (10YR 4/4) clay loam; 25 percent sand; 30 percent clay; moderate medium angular blocky, and moderate fine angular blocky, and moderate medium subangular blocky, and moderate fine subangular blocky structure; friable; few fine pores; brown (10YR 4/3), moist, coats and clay films; fragments; slightly acid, pH 6.4, unspecified; gradual smooth boundary. Lab sample # ISU01005. discontinuous - phpvsfiid 1268379; discontinuous - phpvsfiid 1268379
    Bt3—69 to 86 centimeters (27.2 to 33.9 inches); dark yellowish brown (10YR 4/4) clay loam; 25 percent sand; 37 percent clay; moderate medium angular blocky, and moderate fine angular blocky structure; friable; very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds and very dark grayish brown (10YR 3/2), moist, clay films on surfaces along root channels; fragments; slightly acid, pH 6.2, unspecified; clear wavy boundary. Lab sample # ISU01006. continuous - phpvsfiid 1268381; continuous - phpvsfiid 1268382; continuous - phpvsfiid 1268381; continuous - phpvsfiid 1268382
    2Bt4—86 to 97 centimeters (33.9 to 38.2 inches); dark yellowish brown (10YR 4/4) clay; 50 percent clay; moderate medium angular blocky structure; firm; very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; yellow (2.5Y 8/6), moist, carbonate concretions; fragments; slightly alkaline, pH 7.8, unspecified; clear wavy boundary. Lab sample # ISU01007. 2.5Y8/6 powered lime in bottom of horizon; continuous - phpvsfiid 1268383; continuous - phpvsfiid 1268383
    2R—97 to 98 centimeters (38.2 to 38.6 inches); bedrock; fragments.