IDENTIFIERS

  • Current Taxon Name (Soil Name): Tresano
  • OSD
  • Series Extent
  • User Site ID: S11WY037005
  • User Pedon ID: S11WY037005
  • Vegetation Plot ID: S11WY037005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Print Date: 12/6/2025

    • 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: 41.8304333
  • Std. Longitude: -108.2067139
  • Datum: WGS84
  • Map Unit: 34B—Tresano sandy loam, 0 to 10 percent slopes—draft
  • State: Wyoming
  • County: WY037—Sweetwater
  • MLRA: 34A—Cool Central Desertic Basins and Plateaus
  • Non-MLRA Soil Survey Area: WY737—Sweetwater County Area, Wyoming

    • PEDON

  • Describers Name: Jason Martin, Sherlynette Perez-Castro
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, frigid Ustic Haplargids
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Sampled As Information:
  • Soil Name - Tresano
  • Taxonomic Class - Fine-loamy, mixed, superactive, frigid Ustic Haplargids
  • PSC - 23 to 73 cm.
  • Classificaton Date - 10/13/2011
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 3
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium derived from sandstone and shale
  • Landscape: intermontane basin
  • Landform: playa rim
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 1.00 percent nonflat subrounded indurated 2- to 5-millimeter mixed,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/13/2011 (actual site observation date)
  • Surface Water Kind: none observed
  • Plant Association Name: Loamy 7-9" GR
  • 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 - 10
  • 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

    ATGA

    ELELE

    KRLA2

    PHHO

    POSE

    Artemisia tridentata ssp. wyomingensis

    Atriplex gardneri

    Elymus elymoides ssp. elymoides

    Krascheninnikovia lanata

    Phlox hoodii

    Poa secunda

    Wyoming big sagebrush

    Gardner's saltbush

    squirreltail

    winterfat

    spiny phlox

    Sandberg bluegrass

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

    ochric epipedon

    argillic horizon

    0—23

    23—83

    —23—

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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

    1

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    2010

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    A—0 to 8 centimeters (0.0 to 3.1 inches);, brown (10YR 4/3), moist; loam; 23 percent clay; weak medium subangular blocky structure; very friable, slightly sticky, slightly plastic; 2.0 very fine roots throughout and 2.0 fine roots throughout; 1.0 fine dendritic tubular pores; fragments; very slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 12N02090; dry when described; observed in trench
    Bt—8 to 23 centimeters (3.1 to 9.1 inches);, dark yellowish brown (10YR 4/4), moist; loam; 26 percent clay; moderate medium subangular blocky structure; friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout; 1.0 fine dendritic tubular pores; 2 percent faint clay films on all faces of peds; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # 12N02091; dry when described; observed in trench
    Btk—23 to 83 centimeters (9.1 to 32.7 inches);, dark yellowish brown (10YR 4/4), moist; clay loam; 30 percent clay; moderate medium subangular blocky structure; firm, moderately sticky, moderately plastic; extremely high excavation difficulty; 1.0 very fine roots throughout and 2.0 fine roots throughout; 2.0 very fine dendritic tubular pores; 15 percent distinct clay films on all faces of peds; 2 percent medium distinct irregular noncoherent cemented carbonate masses in matrix; fragments; strong effervescence, by hcl, 1n. Lab sample # 12N02092; dry when described; observed in trench