IDENTIFIERS

  • Current Taxon Name (Soil Name): Rozetta
  • OSD
  • Series Extent
  • User Site ID: S1978IA061008
  • User Pedon ID: S1978IA061008
  • Vegetation Plot ID: S1978IA061008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X61563-1
  • NCSS Pedon Lab Data NASIS Record ID - 74836
  • 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: 42.6271086
  • Std. Longitude: -90.8772730
  • Datum: WGS84
  • GPS - Positional Error: 10.00
  • Township: 90N
  • Range: 1E
  • Section: 8
  • PLSS Details: 1300 feet south and 220 feet east of the northwest corner
  • Location Description: Location is suspect, see site text notes.
  • Country: US—United States
  • State: Iowa
  • County: IA061—Dubuque
  • MLRA: 105—Upper Mississippi River Bedrock Controlled Uplands and Valleys
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-ONA—Onalaska, Wisconsin
  • Non-MLRA Soil Survey Area: IA061—Dubuque County, Iowa
  • PEDON

  • Describers Name: Unknown
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Pedon PC 5.1
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Rozetta
  • PSC - 18 to 68 cm.
  • Classificaton Date - 8/24/1978
  • Classifier - Unknown
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Fayette
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Typic Hapludalfs
  • Taxon Kind - variant
  • PSC - 18 to 68 cm.
  • Classificaton Date - 8/24/1978
  • Classifier - Unknown
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Pedon Vegetation and Crop Cover Information:
  • Agronomic Feature - close grown annual crop, or crop-fallow
  • Current Crop - alfalfa
  • Hydric: no
  • Certification Status: not certified
  • QC Status: not reviewed
  • QA Status: not reviewed


  • SITE

  • Parent Material: Peoria silty loess over residuum weathered from shale
  • Landscape: upland
  • Geomorphic Component Hills: side slope
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: shale, unspecified at 252cm
  • Geology: Maquoketa formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • RaCA Information:
  • Plot/Site Set Up By - Unknown
  • Plot or Site Recorder - Unknown
  • 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: 8/24/1978 (actual site observation date)
  • Data Collector: Unknown
  • Surface Water Kind: none observed
  • Hydrology Status: unaltered
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    MEDIC

    Medicago

    alfalfa

    forb

    100

    overstory

    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    lithologic discontinuity

    lithic contact

    redox concentrations

    redox depletions with chroma 2 or less

    —-

    —-

    —-

    —-

    —-

    —-

    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

    10

    135

    899

    155

    8

    22

    -5

    12

    22

    2

    558

    NOAA

    Ap—0 to 18 centimeters (0.0 to 7.1 inches); 15 percent dark yellowish brown (10YR 4/4) and brown (10YR 4/3) and dark brown (10YR 3/3), pale brown (10YR 6/3) and light yellowish brown (10YR 6/4), dry; silt loam, silty clay loam; weak fine subangular blocky structure; friable; fragments; neutral, pH 6.8, bromthymol blue; abrupt smooth boundary. Lab sample # ISU02471. 10 to 20 percent pockets of dark yellowish brown (10YR 4/4) silty clay loam subsoil material; neutral
    Bt1—18 to 36 centimeters (7.1 to 14.2 inches); dark yellowish brown (10YR 4/4) and brown (10YR 4/3), pale brown (10YR 6/3) and light yellowish brown (10YR 6/4), dry; silty clay loam; 28 percent clay; moderate fine angular blocky, and moderate fine subangular blocky structure; friable; fragments; neutral, pH 6.8, bromthymol blue; clear smooth boundary. Lab sample # ISU02472. neutral
    Bt2—36 to 53 centimeters (14.2 to 20.9 inches); dark yellowish brown (10YR 4/4) silty clay loam; 32 percent clay; weak fine angular blocky structure; friable; thin clay films; fragments; neutral, pH 6.6, bromthymol blue; clear smooth boundary. Lab sample # ISU02473. neutral; discontinuous - phpvsfiid 1110823; discontinuous - phpvsfiid 1110823
    Bt3—53 to 66 centimeters (20.9 to 26.0 inches); yellowish brown (10YR 5/4) silty clay loam; 32 percent clay; grayish brown (2.5Y 5/2) fine distinct mottles; moderate fine angular blocky structure; friable; thin dark yellowish brown (10YR 4/4), moist, clay films; fragments; neutral, pH 6.6, bromthymol blue; clear smooth boundary. Lab sample # ISU02474. neutral; discontinuous - phpvsfiid 1110824; discontinuous - phpvsfiid 1110824
    Bt4—66 to 84 centimeters (26.0 to 33.1 inches); grayish brown (10YR 5/2) and yellowish brown (10YR 5/4) silty clay loam; 34 percent clay; yellowish brown (10YR 5/6) fine distinct mottles; moderate medium angular blocky structure; friable; thin dark yellowish brown (10YR 4/4), moist, clay films; fragments; slightly acid, pH 6.2, bromthymol blue; clear smooth boundary. Lab sample # ISU02475. slightly acid; discontinuous - phpvsfiid 1110825; discontinuous - phpvsfiid 1110825
    BC—84 to 109 centimeters (33.1 to 42.9 inches); grayish brown (10YR 5/2) silty clay loam; 31 percent clay; yellowish brown (10YR 5/6) fine distinct mottles; weak medium prismatic, and weak coarse prismatic structure; friable; thin dark yellowish brown (10YR 4/4), moist, clay films; fine strong brown (7.5YR 5/8), moist, iron-manganese concretions; fragments; slightly acid, pH 6.2, bromthymol blue; gradual smooth boundary. Lab sample # ISU02476. few fine strong brown (7.5YR 5/8) concretions (iron oxide); slightly acid; discontinuous - phpvsfiid 1110826; discontinuous - phpvsfiid 1110826
    C1—109 to 183 centimeters (42.9 to 72.0 inches); light brownish gray (10YR 6/2) silt loam; light brownish gray (10YR 6/2) fine distinct mottles; massive; friable; strong brown (7.5YR 5/8), moist, and brown (7.5YR 4/4), moist, iron-manganese masses; fragments; neutral, pH 6.6, bromthymol blue; clear smooth boundary. Lab sample # ISU02477. few thin brown (7.5YR 4/4) and strong brown (7.5YR 5/8) iron bands; neutral
    C2—183 to 224 centimeters (72.0 to 88.2 inches); light brownish gray (10YR 6/2) and brownish yellow (10YR 6/8) silt loam; massive; friable; brown (7.5YR 4/4), moist, iron-manganese masses; ? to 12-? millimeter chert fragments observed by visual inspection method; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.6, bromthymol blue; gradual smooth boundary. Lab sample # ISU02478. few thin brown (7.5YR 4/4) iron bands; few 1/2-inch chert fragments; moderate effervescence; mildly alkaline
    C3—224 to 252 centimeters (88.2 to 99.2 inches); light brownish gray (10YR 6/2) silt loam; massive; friable; faint brown (7.5YR 4/4), moist, iron concretions; very fine carbonate concretions; chert fragments observed by visual inspection method; violent effervescence, by hcl, 1n; slightly alkaline, pH 7.6, bromthymol blue; abrupt smooth boundary. Lab sample # ISU02479. C1" chert frag at 90"
    2R—252 to 267 centimeters (99.2 to 105.1 inches); pale olive (5Y 6/4) silty clay loam; massive; firm; faint pale olive (5Y 6/4), moist, coats; faint strong brown (7.5YR 5/6), moist, iron concretions; fragments; slightly alkaline, pH 7.6, bromthymol blue. Lab sample # ISU02480