IDENTIFIERS

  • Current Taxon Name (Soil Name): Pepal
  • OSD
  • Series Extent
  • User Site ID: S11WY037002
  • User Pedon ID: S11WY037002
  • Vegetation Plot ID: S11WY037002
  • 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: 41.5848667
  • Std. Longitude: -109.8682000
  • Datum: WGS84
  • Township: 19N
  • Range: 110W
  • Section: 31
  • PLSS Details: About 2,200 feet south and 700 feet west of the northeast corner
  • Location Description: About 3 miles north of Little America
  • Map Unit: 2436—Pepal-Teagulf taxadjuncts complex, 1 to 6 percent slopes
  • 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: Coarse-loamy, mixed, superactive, frigid Ustic Haplocalcids
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Pepal
  • PSC - 25 to 100 cm.
  • Classificaton Date - 4/18/2012
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - aridic (torric)
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Pepal
  • Classificaton Date - 10/11/2011
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium derived from sandstone
  • Landscape: intermontane basin
  • Landform: mesa
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Bridger Formation formation.
  • Surface Fragments: 10.00 percent nonflat subrounded indurated 2- to 75-millimeter mixed,
  • Benchmark Soil?: no

    • VEGETATION

  • Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
    Ecological Site ID Ecological Site Name Correlation Data Classifier
    R034AY150WY Sandy Green River and Great Divide Basins (Sy)

    • SITE OBSERVATION

  • Observation Date: 10/11/2011 (actual site observation date)
  • Surface Water Kind: none observed
  • Hydrology Status: unaltered
  • 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 - 13
  • Site Erosion Accelerated: wind erosion
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    A

    Bw

    Bk

    Bk

    C

    C

    0

    18

    39

    39

    112

    112

    18

    39

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    112

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    170

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    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    A

    Bw

    Bk

    Bk

    C

    C

    0

    18

    39

    39

    112

    112

    18

    39

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    112

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    170

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    A

    Bw

    Bk

    Bk

    C

    C

    0

    18

    39

    39

    112

    112

    18

    39

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    112

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    170

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    12

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    7

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    Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ACHY

    ARTRW8

    GRSP

    HECO26

    OPUNT

    Achnatherum hymenoides

    Artemisia tridentata ssp. wyomingensis

    Grayia spinosa

    Hesperostipa comata

    Opuntia

    Indian ricegrass

    Wyoming big sagebrush

    spiny hopsage

    needle and thread

    pricklypear

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

    ochric epipedon

    cambic horizon

    calcic horizon

    0—18

    18—39

    39—112

    —18—

    —21—

    —73—
    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

    2

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    1978

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    135

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    A—0 to 18 centimeters (0.0 to 7.1 inches);, very dark grayish brown (10YR 3/2), moist; loamy fine sand; 82 percent sand; 10 percent clay; weak medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 5.0 very fine roots throughout and 3.0 fine roots throughout; 1.0 fine dendritic tubular pores; 2 percent by volume nonflat subrounded indurated 2-3-5 millimeter mixed fragments; noneffervescent, by hcl, 1n; neutral, pH 7.0, bromthymol blue; clear smooth boundary. Lab sample # 12N02080; dry when described; observed in trench
    Bw—18 to 39 centimeters (7.1 to 15.4 inches);, dark brown (10YR 3/3), moist; fine sandy loam; 75 percent sand; 12 percent clay; moderate medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 2.0 very fine roots throughout and 1.0 medium roots throughout and 2.0 fine roots throughout; 2.0 fine dendritic tubular pores; 7 percent by volume nonflat subrounded indurated 5-15-25 millimeter mixed fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0, thymol-blue; gradual smooth boundary. Lab sample # 12N02081; dry when described; observed in trench
    Bk—39 to 112 centimeters (15.4 to 44.1 inches);, brown (10YR 4/3), moist; fine sandy loam; 70 percent sand; 14 percent clay; weak coarse subangular blocky structure; hard, friable, slightly sticky, nonplastic; 1.0 very fine roots throughout and 1.0 fine roots throughout; 1.0 fine dendritic tubular pores; 60 percent light gray (10YR 7/2) carbonate, finely disseminated throughout; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.8, thymol-blue; clear smooth boundary. Lab sample # 12N02082; dry when described; observed in trench
    C—112 to 170 centimeters (44.1 to 66.9 inches);, olive brown (2.5Y 4/3), moist; fine sandy loam; 70 percent sand; 17 percent clay; structureless massive; slightly hard, friable, slightly sticky, slightly plastic; 3 percent by volume nonflat subangular indurated 2-3-5 millimeter mixed fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.8, thymol-blue. Lab sample # 12N02083; dry when described; observed in auger, bucket