IDENTIFIERS

  • Current Taxon Name (Soil Name): unnamed
  • OSD
  • Series Extent
  • User Site ID: Somsen Ranch
  • User Pedon ID: S2005ID029001
  • Vegetation Plot ID: Somsen Ranch
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 05N0658
  • NCSS Pedon Lab Data NASIS Record ID - 17442
  • Print Date: 2/3/2025

    • 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: 42.9526405
  • Std. Longitude: -111.3594971
  • Datum: WGS84
  • Township: 5N
  • Range: 45E
  • Section: 25
  • Location Description: Somsen Ranch SNOTEL site
  • State: Idaho
  • County: ID029—Caribou
  • MLRA: 43B—Central Rocky Mountains
  • Non-MLRA Soil Survey Area: ID716—Caribou County Area, Idaho
  • 7.5 Minute USGS Quad: 42111-H3—Wayan East, Idaho

    • PEDON

  • Describers Name: Brad Duncan, Bob Kukachka
  • Current Taxonomic Class: Fine-loamy, mixed, superactive Xeric Argicryolls
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - unnamed
  • Taxonomic Class - Fine-loamy, mixed, superactive Xeric Argicryolls
  • PSC - 8 to 58 cm.
  • Classificaton Date - 6/30/2005
  • Moisture Class - xeric
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 3 percent of Control Section Rock Fragment Content and 29 percent of Control Section Clay Content


    • SITE

  • Parent Material: alluvium
  • Landscape: foothills
  • Landform: fan remnant
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: toeslope
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/30/2005 (actual site observation date)
  • Microrelief Kind: microlow
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - partly cloudy
  • Current Air Temp - 21
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    AMELA

    ARTRV

    FEID

    LUPIN

    PHLEU

    POSE

    SYMPH

    Amelanchier

    Artemisia tridentata ssp. vaseyana

    Festuca idahoensis

    Lupinus

    Phleum

    Poa secunda

    Symphoricarpos

    serviceberry

    mountain big sagebrush

    Idaho fescue

    lupine

    timothy

    Sandberg bluegrass

    snowberry

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

    mollic epipedon

    argillic horizon

    0—25

    8—152

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    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    6/30/2005

    59

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    12
    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

    11

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    2091

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    43

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    770

    Somsen Ranch

    SNOTEL
    A—0 to 8 centimeters (0.0 to 3.1 inches); very dark brown (10YR 2/2), very dark grayish brown (10YR 3/2), dry; loam; 15 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky, and weak fine granular structure; soft, very friable, slightly sticky, slightly plastic; 8.0 very fine roots and 2.0 medium roots and 8.0 fine roots and 2.0 coarse roots; 21.0 very fine interstitial and 21.0 fine interstitial pores; ; 1 percent by volume nonflat 2-?-75 millimeter sedimentary, unspecified fragments; noneffervescent; neutral, pH 7.0; clear wavy boundary. Lab sample # 05N03789; observed in pit, large or quarry. Rock fragments are sandstone. 60% Bt and 40% A
    A—8 to 25 centimeters (3.1 to 9.8 inches); loam; 23 percent clay; slightly hard, firm, slightly sticky, slightly plastic; fragments; noneffervescent; neutral, pH 6.8; clear wavy boundary. Lab sample # 05N03790; observed in pit, large or quarry
    Bt—8 to 25 centimeters (3.1 to 9.8 inches); dark brown (10YR 3/3), brown (10YR 4/3), dry; loam; 23 percent clay; moderate medium subangular blocky structure; slightly hard, firm, slightly sticky, slightly plastic; 4.0 very fine roots and 2.0 medium roots and 4.0 fine roots and 2.0 coarse roots; 3.0 fine tubular pores; 25 percent distinct dark brown (10YR 3/3), moist, clay films; 3 percent by volume nonflat 2-?-75 millimeter sedimentary, unspecified fragments; noneffervescent; neutral, pH 6.8; clear wavy boundary. Lab sample # 05N03790; observed in pit, large or quarry. discontinuous - phpvsfiid 356946; discontinuous - phpvsfiid 356946
    Bt1—25 to 41 centimeters (9.8 to 16.1 inches); dark yellowish brown (10YR 4/4), yellowish brown (10YR 5/4), dry; clay loam; 29 percent clay; strong medium prismatic, and strong fine subangular blocky, and strong medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 4.0 very fine roots and 0.5 medium roots and 4.0 fine roots and 0.5 coarse roots; 3.0 fine tubular pores; 60 percent distinct dark yellowish brown (10YR 3/4), moist, clay films; 4 percent by volume nonflat 2-?-75 millimeter sedimentary, unspecified fragments; noneffervescent; neutral, pH 6.6; clear smooth boundary. Lab sample # 05N03791; observed in pit, large or quarry. continuous - phpvsfiid 356948; continuous - phpvsfiid 356948
    Bt2—41 to 58 centimeters (16.1 to 22.8 inches); dark yellowish brown (10YR 4/6), yellowish brown (10YR 5/6), dry; silty clay loam; 34 percent clay; strong medium prismatic, and strong coarse prismatic structure; very hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots and 0.5 medium roots and 0.5 fine roots; 0.5 fine tubular pores; 80 percent distinct dark grayish brown (10YR 4/2), moist, clay films; 4 percent by volume nonflat 2-?-75 millimeter sedimentary, unspecified fragments; noneffervescent; neutral, pH 6.6; clear wavy boundary. Lab sample # 05N03792; observed in pit, large or quarry. continuous - phpvsfiid 356978; continuous - phpvsfiid 356978
    Bt3—58 to 76 centimeters (22.8 to 29.9 inches); yellowish brown (10YR 5/4), light yellowish brown (10YR 6/4), dry; silty clay loam; 36 percent clay; moderate medium prismatic, and moderate coarse prismatic structure; very hard, very firm, very sticky, very plastic; 0.5 very fine roots and 0.5 medium roots and 0.5 fine roots; 3.0 fine tubular pores; 85 percent prominent dark yellowish brown (10YR 4/4), moist, clay films; 10 percent by volume nonflat 2-?-75 millimeter sedimentary, unspecified fragments; noneffervescent; slightly acid, pH 6.4; clear wavy boundary. Lab sample # 05N03793; observed in pit, large or quarry. continuous - phpvsfiid 356979; continuous - phpvsfiid 356979
    Bt4—76 to 117 centimeters (29.9 to 46.1 inches); yellowish brown (10YR 5/4), light yellowish brown (10YR 6/4), dry; silty clay loam; 38 percent clay; moderate medium angular blocky, and moderate coarse prismatic structure; very hard, very firm, very sticky, very plastic; 0.5 very fine roots; 3.0 fine tubular pores; 85 percent prominent brown (10YR 4/3), moist, clay films; 10 percent by volume nonflat 2-?-75 millimeter sedimentary, unspecified fragments; noneffervescent; slightly acid, pH 6.4; clear wavy boundary. Lab sample # 05N03794; observed in pit, large or quarry. continuous - phpvsfiid 356980; continuous - phpvsfiid 356980
    Bt5—117 to 152 centimeters (46.1 to 59.8 inches); yellowish brown (10YR 5/4), light yellowish brown (10YR 6/4), dry; clay; 44 percent clay; moderate coarse angular blocky, and moderate medium angular blocky structure; very hard, very firm, very sticky, very plastic; 0.5 fine tubular pores; 85 percent prominent brown (10YR 4/3), moist, clay films; 3 percent by volume flat 150-?-380 millimeter sedimentary, unspecified fragments and 10 percent by volume nonflat 2-?-75 millimeter sedimentary, unspecified fragments; noneffervescent; slightly acid, pH 6.4. Lab sample # 05N03795; observed in pit, small. continuous - phpvsfiid 356981; continuous - phpvsfiid 356981