IDENTIFIERS

  • Current Taxon Name (Soil Name): Vassar
  • OSD
  • Series Extent
  • User Site ID: 64-LXG-001
  • User Pedon ID: 64ID057001
  • Vegetation Plot ID: 64-LXG-001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - UIdaho
  • Lab Pedon # - 64-ID-2923
  • NCSS Pedon Lab Data NASIS Record ID - 79883
  • Print Date: 11/21/2024

    • 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: 46.8053333
  • Std. Longitude: -116.7894167
  • Datum: WGS84
  • Township: 40N
  • Range: 4W
  • Section: 13
  • PLSS Details: 346m north and 171m east of sw corner
  • Location Description: about six miles north of Troy, Idaho
  • Country: US—United States
  • State: Idaho
  • County: ID057—Latah
  • MLRA: 43A—Northern Rocky Mountains
  • Regional Office: NW—Northwest
  • MLRA Soil Survey Area: NW-MOS—Moscow, Idaho
  • Non-MLRA Soil Survey Area: ID057—Latah County, Idaho
  • 7.5 Minute USGS Quad: 46116-G7—Moscow Mountain, Idaho

    • PEDON

  • Describers Name: Lowell Garber
  • Current Taxonomic Class: Ashy over loamy, amorphic over isotic, frigid Typic Udivitrands
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Vassar
  • PSC - 5 to 105 cm.
  • Classificaton Date - 9/18/2012
  • Classifier - Brian Gardner
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Vassar
  • Classificaton Date - 7/26/1964
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash over residuum weathered from granite
  • Landscape: mountain range
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainflank
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Thatuna Batholith formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/26/1964 (actual site observation date)
  • Air Photo ID:
  • Plant Association Name: thpl-clun
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ABGR

    LAOC

    LIBO3

    PSMEG

    THPL

    Abies grandis

    Larix occidentalis

    Linnaea borealis

    Pseudotsuga menziesii var. glauca

    Thuja plicata

    grand fir

    western larch

    twinflower

    Rocky Mountain Douglas-fir

    western redcedar

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    strongly coherent

    140 -

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

    ochric epipedon

    andic soil properties

    cambic horizon

    paralithic contact

    5—20

    5—66

    20—66

    140—

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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

    55

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    1067

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    17

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    Oi—0 to 1 centimeters (0.0 to 0.4 inches); slightly decomposed plant material; fragments. Lab sample # ID29231; observed in pit, small
    Oe—1 to 5 centimeters (0.4 to 2.0 inches); moderately decomposed plant material; fragments. Lab sample # ID29232; observed in pit, small
    A—5 to 20 centimeters (2.0 to 7.9 inches); dark brown (7.5YR 3/4), yellowish brown (10YR 5/4), dry; ashy silt loam; 26 percent sand; 69 percent silt; 5 percent clay; weak very fine granular structure; soft, very friable, nonsticky, nonplastic; 6.0 very fine roots; 2 percent by volume nonflat subangular very strongly coherent cemented 2-5-75 millimeter granite fragments and 10 percent by volume nonflat 2-5-25 millimeter charcoal fragments; neutral, pH 6.7, unspecified; clear smooth boundary. Lab sample # ID29233; observed in pit, small
    Bw1—20 to 46 centimeters (7.9 to 18.1 inches); brown (7.5YR 4/4), light yellowish brown (10YR 6/4), dry; ashy silt loam; 28 percent sand; 68 percent silt; 4 percent clay; weak very fine granular structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine roots and 0.5 medium roots and 3.0 fine roots; 6.0 very fine interstitial pores; 2 percent by volume nonflat 2-15-25 millimeter charcoal fragments; neutral, pH 6.7, unspecified; clear smooth boundary. Lab sample # ID29234; observed in pit, small
    Bw2—46 to 66 centimeters (18.1 to 26.0 inches); brown (7.5YR 4/4), light yellowish brown (10YR 6/4), dry; ashy silt loam; 27 percent sand; 70 percent silt; 3 percent clay; weak very fine granular structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine roots and 3.0 fine roots; 6.0 very fine interstitial pores; 20 percent by volume nonflat 2-15-40 millimeter charcoal fragments; slightly acid, pH 6.5, unspecified; abrupt wavy boundary. Lab sample # ID29235; observed in pit, small
    2C1—66 to 104 centimeters (26.0 to 40.9 inches); brown (7.5YR 4/3), pale brown (10YR 6/3), dry; gravelly coarse sandy loam; 64 percent sand; 31 percent silt; 5 percent clay; massive; slightly hard, friable, slightly sticky, nonplastic; 0.3 very fine roots and 0.2 fine roots and ; 3.0 fine interstitial and 2.0 and 2.0 pores; 26 percent by volume nonflat subangular very strongly coherent cemented 2-10-75 millimeter granite fragments; moderately acid, pH 6.0, unspecified; abrupt irregular boundary. Lab sample # ID29236; observed in pit, small
    2C2—104 to 140 centimeters (40.9 to 55.1 inches); brown (10YR 5/3), very pale brown (10YR 7/3), dry; gravelly loamy coarse sand; 85 percent sand; 12 percent silt; 3 percent clay; massive; loose, very friable, nonsticky, nonplastic; 0.5 fine roots; 6.0 very fine interstitial and pores; 34 percent by volume nonflat subangular very strongly coherent cemented 2-10-75 millimeter granite fragments; slightly acid, pH 6.3, unspecified; abrupt wavy boundary. Lab sample # ID29237; observed in pit, small
    2Cr—140 centimeters (55.1 inches); pale brown (10YR 6/3), light gray (10YR 7/2), dry; gravelly loamy coarse sand; 84 percent sand; 14 percent silt; 2 percent clay; massive; fragments; slightly acid, pH 6.3, unspecified. Lab sample # ID29238; observed in pit, small