IDENTIFIERS

  • Current Taxon Name (Soil Name): Golphco
  • OSD
  • Series Extent
  • User Site ID: S09WY035004
  • User Pedon ID: S09WY035004
  • 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: 42.8711128
  • Std. Longitude: -109.9547195
  • Datum: WGS84
  • Township: 34n
  • Range: 110w
  • Section: 35
  • PLSS Details: located approximately 1780 ft. north and 1340 ft. east of the SW corner.
  • Location Description: located approximately 4 miles west of Pinedale.
  • Map Unit: 5418—Golphco-Mountairy complex, 4 to 15 percent slopes
  • State: Wyoming
  • County: WY035—Sublette
  • MLRA: 34A—Cool Central Desertic Basins and Plateaus
  • Non-MLRA Soil Survey Area: WY635—Sublette County Area, Wyoming
  • 7.5 Minute USGS Quad: 42109-G8—Mount Airy, Wyoming
  • PEDON

  • Describers Name: LS, DM, GB
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, frigid Calcidic Haplustalfs
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Golphco
  • Taxonomic Class - Fine-loamy, mixed, superactive, frigid Calcidic Haplustalfs
  • PSC - 10 to 60 cm.
  • Classificaton Date - 8/7/2009
  • 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: slope alluvium derived from metamorphic and sedimentary rock over residuum weathered from sandstone and shale
  • Landscape: intermontane basin
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 30.00 percent nonflat subrounded indurated 2- to 75-millimeter quartzite, 2.00 percent nonflat subrounded indurated 75- to 250-millimeter quartzite,
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/7/2009 (actual site observation date)
  • 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
  • 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 % % % % % % % % % % % % %

    Btk1

    Btk2

    2BCk

    40

    65

    105

    65

    105

    200

    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

    Btk1

    Btk2

    2BCk

    40

    65

    105

    65

    105

    200

    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 %

    Btk1

    Btk2

    2BCk

    40

    65

    105

    65

    105

    200

    22

    20

    8

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

    ochric epipedon

    argillic horizon

    calcic horizon

    lithologic discontinuity

    0—10

    10—105

    40—200

    105—200

    —-

    —-

    —-

    —-

    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

    4

    2232

    352

    330

    45

    2.2

    A—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) crushed, very dark brown (10YR 2/2) crushed, moist; loam; 16 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; soft, friable, slightly sticky, slightly plastic; 10.0 very fine roots throughout and 3.0 medium roots throughout and 5.0 fine roots throughout; 10 percent by volume nonflat subrounded indurated 2-20-75 millimeter quartzite fragments; noneffervescent, by hcl, 1n; neutral, pH 7.2; clear smooth boundary.; dry when described; observed in trench
    Bt—10 to 40 centimeters (3.9 to 15.7 inches); yellowish brown (10YR 5/4) crushed, dark yellowish brown (10YR 4/4) crushed, moist; sandy clay loam; 34 percent clay; strong coarse subangular blocky, and strong medium subangular blocky structure; moderately hard, firm, moderately sticky, moderately plastic; 7.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout; 30 percent distinct clay films on all faces of peds; 10 percent by volume nonflat subrounded indurated 2-20-75 millimeter quartzite fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.6; clear smooth boundary.; dry when described; observed in trench
    Btk1—40 to 65 centimeters (15.7 to 25.6 inches); very pale brown (10YR 7/3) crushed, pale brown (10YR 6/3) crushed, moist; clay loam; 33 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; moderately hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots throughout and 2.0 medium roots throughout and 2.0 fine roots throughout; 20 percent distinct clay films on all faces of peds and 40 percent carbonate coats on rock fragments; 50 percent irregular carbonate masses throughout; 7 percent by volume nonflat subrounded indurated 2-20-75 millimeter quartzite fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.6; gradual wavy boundary.; dry when described; observed in trench
    Btk2—65 to 105 centimeters (25.6 to 41.3 inches); pale brown (10YR 6/3) crushed, brown (10YR 5/3) crushed, moist; clay loam; 30 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; moderately hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots throughout and 1.0 medium roots throughout and 2.0 fine roots throughout; 35 percent carbonate coats on rock fragments; 20 percent irregular carbonate masses throughout; 5 percent by volume nonflat subrounded indurated 2-20-75 millimeter quartzite fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.6; gradual wavy boundary.; dry when described; observed in trench
    2BCk—105 to 200 centimeters (41.3 to 78.7 inches); light gray (5Y 7/2) crushed, olive gray (5Y 5/2) crushed, moist; sandy clay loam; 10 percent clay; structureless massive; slightly hard, friable, nonsticky, nonplastic; 2.0 very fine roots throughout and 1.0 fine roots throughout; 5 percent irregular carbonate masses throughout and carbonate, finely disseminated; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.3.; dry when described; observed in trench