IDENTIFIERS

  • Current Taxon Name (Soil Name): LASSEL
  • OSD
  • Series Extent
  • User Site ID: S2006WY041010
  • User Pedon ID: S2006WY041010
  • Vegetation Plot ID: S2006WY041010
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 07N0333
  • NCSS Pedon Lab Data NASIS Record ID - 18780
  • Print Date: 11/22/2024

    • 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: 41.2863350
  • Std. Longitude: -110.9947510
  • Datum: WGS84
  • Township: 15N
  • Range: 120W
  • Section: 7
  • Location Description: about 1 mile northwest of Evanston; about 2400 feet west and 300 feet north of the southwest corner of
  • Map Unit: 61—Lassel loam, 0 to 2 percent slopes
  • State: Wyoming
  • County: WY041—Uinta
  • MLRA Soil Survey Area: NW-PIN—Pinedale, Wyoming
  • Non-MLRA Soil Survey Area: WY041—Uinta County Area, Wyoming

    • PEDON

  • Describers Name: CP
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, frigid Fluvaquentic Haplustolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Pedon #: 10
  • Sampled As Information:
  • Soil Name - LASSEL
  • Taxonomic Class - Coarse-loamy, mixed, superactive, frigid Fluvaquentic Haplustolls
  • PSC - 25 to 102 cm.
  • Classificaton Date - 8/29/2006
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium over outwash derived from igneous, metamorphic and sedimentary rock
  • Landscape: valley
  • Landform: flood plain
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: very low
  • Drainage Class: somewhat poorly
  • Flooding: rare flooding for very brief periods
  • Ponding: none ponding
  • Geology: Glacial Outwash formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/29/2006 (actual site observation date)
  • Air Photo ID: 12525-226
  • 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
    • 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 % % % % % % % % % % % % %

    Bk

    2C1

    66

    86

    86

    104

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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

    Bk

    2C1

    66

    86

    86

    104

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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 %

    Bk

    2C1

    66

    86

    86

    104

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    ec meter, 1:1 water

    ec meter, 1:1 water

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    4

    5

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

    ALPR3

    BRIN2

    POPR

    TRRE3

    Alopecurus pratensis

    Bromus inermis

    Poa pratensis

    Trifolium repens

    meadow foxtail

    smooth brome

    Kentucky bluegrass

    white clover

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

    mollic epipedon

    aquic conditions

    cambic horizon

    endosaturation

    0—38

    13—86

    38—66

    38—203

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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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    2039

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    0

    254

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    75

    5

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    Ap—0 to 13 centimeters (0.0 to 5.1 inches); very dark gray (10YR 3/1) crushed, very dark brown (10YR 2/2) crushed, moist; loam; 23 percent clay; weak medium angular blocky parts to weak fine granular, and weak fine angular blocky parts to weak fine granular structure; moderately hard, very friable, slightly sticky, slightly plastic; moderate permeability; 12.0 fine roots throughout; 12.0 fine vesicular pores; carbonate, finely disseminated; fragments; slight effervescence, by hcl, 1n; neutral, pH 7.2, pH meter; clear smooth boundary. Lab sample # 07N01747; moist when described; observed in pit, small
    A2—13 to 38 centimeters (5.1 to 15.0 inches); very dark gray (10YR 3/1) crushed, very dark grayish brown (10YR 3/2) crushed, moist; loam; 23 percent clay; strong medium prismatic parts to moderate fine angular blocky, and strong medium prismatic parts to moderate medium angular blocky, and strong coarse prismatic parts to moderate fine angular blocky, and strong coarse prismatic parts to moderate medium angular blocky structure; moderately hard, very friable, slightly sticky, slightly plastic; moderate permeability; 2.0 medium roots throughout and 10.0 fine roots throughout; 10.0 fine vesicular pores; 3 percent fine prominent spherical strong brown (7.5YR 5/6), moist, iron-manganese concretions in matrix; carbonate, finely disseminated; fragments; slight effervescence, by hcl, 1n; neutral, pH 7.2, pH meter; gradual wavy boundary. Lab sample # 07N01748; moist when described; observed in pit, small
    Bw—38 to 66 centimeters (15.0 to 26.0 inches); yellowish brown (10YR 5/4) crushed, dark yellowish brown (10YR 4/4) crushed, moist; sandy loam; 13 percent clay; weak fine angular blocky, and weak medium angular blocky structure; slightly hard, very friable, nonsticky, nonplastic; moderately rapid permeability; 2.0 medium roots throughout and 8.0 fine roots throughout; 10.0 fine tubular pores; 5 percent fine prominent cylindrical yellowish brown (10YR 5/6), moist, iron depletions in matrix and 10 percent fine prominent spherical strong brown (7.5YR 5/6), moist, iron-manganese concretions in matrix; carbonate, finely disseminated; 3 percent by volume nonflat rounded strongly coherent cemented 2-20-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.6, pH meter; gradual wavy boundary. Lab sample # 07N01749; moist when described; observed in pit, small
    Bk—66 to 86 centimeters (26.0 to 33.9 inches); brown (7.5YR 5/4) crushed, brown (7.5YR 4/4) crushed, moist; loamy sand; 8 percent clay; structureless massive; soft, very friable, nonsticky, nonplastic; rapid permeability; 2.0 medium roots throughout and 5.0 fine roots throughout; 12.0 fine interstitial pores; 2 percent fine prominent cylindrical yellowish brown (10YR 5/6), moist, iron depletions in matrix and 10 percent fine prominent spherical strong brown (7.5YR 5/6), moist, iron-manganese concretions in matrix; carbonate, finely disseminated; 5 percent by volume nonflat rounded strongly coherent cemented 2-20-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 7.9, pH meter; clear wavy boundary. Lab sample # 07N01750; moist when described; observed in pit, small
    2C1—86 to 104 centimeters (33.9 to 40.9 inches); brown (7.5YR 5/4) crushed, brown (7.5YR 4/4) crushed, moist; very gravelly sand; 5 percent clay; structureless massive; soft, very friable, nonsticky, nonplastic; very rapid permeability; 2.0 medium roots throughout and 5.0 fine roots throughout; 10.0 fine interstitial pores; carbonate, finely disseminated; 1 percent by volume nonflat rounded strongly coherent cemented 250-400-600 millimeter mixed fragments and 15 percent by volume nonflat rounded strongly coherent cemented 75-125-250 millimeter mixed fragments and 35 percent by volume nonflat rounded strongly coherent cemented 2-20-75 millimeter mixed fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter; clear wavy boundary. Lab sample # 07N01751; moist when described; observed in pit, small
    2C2—104 to 203 centimeters (40.9 to 79.9 inches); brown (7.5YR 5/4) crushed, brown (7.5YR 4/4) crushed, moist; extremely cobbly sand; 3 percent clay; structureless massive; loose, loose, nonsticky, nonplastic; very rapid permeability; carbonate, finely disseminated; 3 percent by volume nonflat rounded strongly coherent cemented 250-400-600 millimeter mixed fragments and 30 percent by volume nonflat rounded strongly coherent cemented 2-20-75 millimeter mixed fragments and 35 percent by volume nonflat rounded strongly coherent cemented 75-125-250 millimeter mixed fragments; very slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter.; moist when described; observed in pit, small