IDENTIFIERS

  • Current Taxon Name (Soil Name): Rhoades
  • OSD
  • Series Extent
  • User Site ID: 2001ND089006
  • User Pedon ID: 2001ND089006
  • Vegetation Plot ID: S01-ND-089-006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 02N0769
  • NCSS Pedon Lab Data NASIS Record ID - 15260
  • Print Date: 2/2/2025

    • 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: 46.7083056
  • Std. Longitude: -103.1885278
  • Datum: WGS84
  • Township: 137N
  • Range: 99W
  • Section: 4
  • PLSS Details: 2150 feet north and 240 feet east of the SW4 corner
  • Country: US—United States
  • State: North Dakota
  • County: ND089—Stark
  • MLRA: 54—Rolling Soft Shale Plain
  • 7.5 Minute USGS Quad: 46103-F2—Daglum NW, North Dakota

    • PEDON

  • Describers Name: Tom Champa, Fred Aziz, Jeanne Heilig, Mike Ulmer, & Larry Edland
  • Current Taxonomic Class: Fine, smectitic, frigid Leptic Vertic Natrustolls
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Windows Pedon
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - Rhoades
  • PSC - 10 to 30 cm.
  • Classificaton Date - 6/19/2012
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Rhoades
  • Classificaton Date - 9/5/2001
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: alluvial fan
  • Slope Complexity: complex
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: s shale, clayey at 135cm with <10
  • Geology: Sentinel Butte formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/5/2001 (actual site observation date)
  • Air Photo ID: 180
  • Microrelief Kind: microlow
  • Plant Association Name: Thin Claypan Range Site
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 35
  • Site Erosion Accelerated: wind erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARFR4

    BOGR2

    BUDA

    KOMA

    PASM

    POSE

    Artemisia frigida

    Bouteloua gracilis

    Buchloe dactyloides

    Koeleria macrantha

    Pascopyrum smithii

    Poa secunda

    prairie sagewort

    blue grama

    buffalograss

    prairie Junegrass

    western wheatgrass

    Sandberg bluegrass

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

    natric

    bedrock, paralithic

    —

    S

    10 - 34

    135 - 200

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

    mollic epipedon

    natric horizon

    0—18

    10—34

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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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    816.8

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    23

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    AE—0 to 3 centimeters (0.0 to 1.2 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; clay loam; weak fine granular structure; slightly hard, friable, slightly sticky, moderately plastic; low excavation difficulty; 6.0 very fine roots throughout and 1.0 medium roots throughout; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; moist when described; observed in trench
    E—3 to 10 centimeters (1.2 to 3.9 inches); light olive brown (2.5Y 5/3), very dark grayish brown (2.5Y 3/2), moist; loam; moderate medium prismatic parts to strong medium subangular blocky parts to weak thin platy structure; hard, friable, slightly sticky, slightly plastic; low excavation difficulty; 4.0 very fine roots throughout; fragments; noneffervescent, by hcl, 1n; clear wavy boundary.; moist when described; observed in trench
    Btn—10 to 18 centimeters (3.9 to 7.1 inches); grayish brown (2.5Y 5/2), very dark grayish brown (2.5Y 3/2), moist; silty clay loam; strong medium columnar parts to strong medium subangular blocky parts to strong fine angular blocky structure; extremely hard, firm, very sticky, very plastic; low excavation difficulty; 4.0 very fine roots throughout and 2.0 fine roots throughout; 7 percent distinct very dark grayish brown (2.5Y 3/2), moist, clay films on all faces of peds; fragments; noneffervescent, by hcl, 1n; abrupt irregular boundary. Lab sample # NDDOT; moist when described; observed in trench. discontinuous - phpvsfiid 246358; discontinuous - phpvsfiid 246358
    Btnk—18 to 34 centimeters (7.1 to 13.4 inches); light olive brown (2.5Y 5/3), olive brown (2.5Y 4/3), moist; silty clay; weak medium prismatic parts to strong medium subangular blocky parts to strong fine angular blocky structure; extremely hard, firm, very sticky, very plastic; low excavation difficulty; 3.0 very fine roots throughout; 3 percent distinct very dark grayish brown (2.5Y 3/2), moist, clay films on vertical faces of peds and 5 percent distinct sand coats on all faces of peds; 3 percent fine distinct irregular light gray (10YR 7/2), moist, gypsum masses throughout and 4 percent medium distinct irregular pale brown (10YR 6/3), moist, carbonate masses throughout; fragments; very slight effervescence, by hcl, 1n; clear smooth boundary.; moist when described; observed in trench. patchy - phpvsfiid 246359; discontinuous - phpvsfiid 246360; patchy - phpvsfiid 246359; discontinuous - phpvsfiid 246360
    Bky1—34 to 50 centimeters (13.4 to 19.7 inches); light olive brown (2.5Y 5/3), olive brown (2.5Y 4/3), moist; silty clay loam; strong medium subangular blocky parts to strong fine subangular blocky structure; extremely hard, firm, very sticky, very plastic; low excavation difficulty; 1.0 very fine roots throughout; 5 percent fine distinct irregular light gray (10YR 7/2), moist, gypsum masses throughout and 15 percent fine distinct irregular pale brown (10YR 6/3), moist, carbonate masses throughout; fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; moist when described; observed in trench
    Bky2—50 to 74 centimeters (19.7 to 29.1 inches); light olive brown (2.5Y 5/3), very dark grayish brown (2.5Y 3/2), moist; silty clay loam; moderate medium subangular blocky parts to moderate fine subangular blocky structure; extremely hard, firm, very sticky, very plastic; low excavation difficulty; carbonate masses in matrix and 10 percent medium distinct irregular light gray (10YR 7/2), moist, gypsum masses throughout; fragments; strong effervescence, by hcl, 1n; clear wavy boundary.; moist when described; observed in trench
    BCKy—74 to 111 centimeters (29.1 to 43.7 inches); light olive brown (2.5Y 5/3), very dark grayish brown (2.5Y 3/2), moist; silty clay loam; weak medium subangular blocky structure; very hard, firm, very sticky, moderately plastic; low excavation difficulty; carbonate masses in matrix and 5 percent fine distinct irregular light gray (10YR 7/2), moist, gypsum masses throughout; fragments; strong effervescence, by hcl, 1n; gradual wavy boundary.; moist when described; observed in trench
    CBky—111 to 135 centimeters (43.7 to 53.1 inches); light brownish gray (2.5Y 6/2), dark grayish brown (2.5Y 4/2), moist; silt loam; massive; very hard, friable, moderately sticky, moderately plastic; low excavation difficulty; 2 percent fine spherical strong brown (7.5YR 4/6), moist, iron-manganese masses throughout; carbonate masses in matrix and 3 percent fine distinct threadlike light gray (10YR 7/2), moist, gypsum masses throughout; fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; moist when described; observed in trench
    Cr—135 to 200 centimeters (53.1 to 78.7 inches); grayish brown (2.5Y 5/2), very dark grayish brown (2.5Y 3/2), moist; silty clay; very hard, friable, moderately sticky, moderately plastic; low excavation difficulty; 5 percent coarse spherical strong brown (7.5YR 5/6), moist, iron-manganese concretions throughout; 10 percent fine gypsum crystals, unspecified on vertical faces of peds; fragments; slight effervescence, by hcl, 1n. Lab sample # NDDOT; moist when described; observed in trench