IDENTIFIERS

  • Current Taxon Name (Soil Name): Piezon
  • OSD
  • Series Extent
  • User Site ID: S11WY041001
  • User Pedon ID: S11WY041001
  • Vegetation Plot ID: S11WY041001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Print Date: 12/8/2025

    • 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: 41.3051917
  • Std. Longitude: -110.1029861
  • Datum: WGS84
  • Map Unit: 127—Piezon-Lilsnake complex, 1 to 3 percent slopes—draft
  • State: Wyoming
  • County: WY041—Uinta
  • MLRA: 34A—Cool Central Desertic Basins and Plateaus
  • MLRA Soil Survey Area: NW-PIN—Pinedale, Wyoming
  • Non-MLRA Soil Survey Area: WY041—Uinta County Area, Wyoming

    • PEDON

  • Describers Name: Jason Martin, Sherlynette Perez-Castro
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, frigid Ustic Haplocalcids
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Sampled As Information:
  • Soil Name - Piezon
  • Taxonomic Class - Fine-loamy, mixed, superactive, frigid Ustic Haplocalcids
  • PSC - 25 to 98 cm.
  • Classificaton Date - 12/12/2011
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium over residuum weathered from sandstone and shale
  • Landscape: intermontane basin
  • Landform: structural bench
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: moderately coherent shale, unspecified at 98cm
  • Geology: Bridger Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/12/2011 (actual site observation date)
  • Surface Water Kind: none observed
  • Plant Association Name: Loamy 10-14" W
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, shrubby
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 7
  • Site Erosion Accelerated: water erosion sheet
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARTRW8

    ELELE

    ELLAL

    PHHO

    POSE

    Artemisia tridentata ssp. wyomingensis

    Elymus elymoides ssp. elymoides

    Elymus lanceolatus ssp. lanceolatus

    Phlox hoodii

    Poa secunda

    Wyoming big sagebrush

    squirreltail

    thickspike wheatgrass

    spiny phlox

    Sandberg bluegrass

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

    bedrock, paralithic

    moderately coherent

    98 - 203

    - 105 -

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

    ochric epipedon

    calcic horizon

    0—17

    29—98

    —17—

    —69—
    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

    1

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    2091

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    260

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    A—0 to 17 centimeters (0.0 to 6.7 inches);, very dark grayish brown (10YR 3/2), moist; loam; 16 percent clay; weak medium subangular blocky structure; friable, slightly sticky, slightly plastic; 2.0 very fine roots throughout and 2.0 medium roots throughout and 4.0 fine roots throughout; 4.0 very fine dendritic tubular and 1.0 fine dendritic tubular pores; fragments; very slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 12N02100; dry when described; observed in trench
    Bw—17 to 29 centimeters (6.7 to 11.4 inches);, brown (10YR 4/3), moist; loam; 23 percent clay; moderate medium subangular blocky structure; friable, moderately sticky, moderately plastic; 3.0 fine roots throughout; 2.0 fine dendritic tubular pores; 4 percent very fine distinct spherical noncoherent cemented carbonate masses in matrix; 1 percent by volume nonflat subangular indurated 5-15-25 millimeter mixed fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 12N02101; dry when described; observed in trench
    Bk—29 to 41 centimeters (11.4 to 16.1 inches); brown (10YR 5/3), brown (10YR 5/3), moist; loam; 25 percent clay; moderate fine subangular blocky structure; friable, moderately sticky, moderately plastic; 2.0 fine roots throughout; 1.0 fine dendritic tubular pores; 15 percent medium faint irregular noncoherent cemented light gray (10YR 7/2) carbonate masses in matrix; fragments; violent effervescence, by hcl, 1n; gradual smooth boundary. Lab sample # 12N02102; dry when described; observed in trench
    BCk—41 to 98 centimeters (16.1 to 38.6 inches); light brownish gray (10YR 6/2), brown (10YR 5/3), moist; loam; 26 percent clay; structureless massive; firm, moderately sticky, moderately plastic; carbonate, finely disseminated throughout; fragments; violent effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # 12N02103; dry when described; observed in trench
    Cr—98 to 203 centimeters (38.6 to 79.9 inches); bedrock; fragments.; observed in trench