IDENTIFIERS

  • Current Taxon Name (Soil Name): Andic Cryochrepts
  • OSD
  • Series Extent
  • User Site ID: S2007MT049001
  • User Pedon ID: S2007MT049001
  • Vegetation Plot ID: S2007MT049001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 08N0154
  • NCSS Pedon Lab Data NASIS Record ID - 19615
  • Print Date: 11/23/2024

    • 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: 46.8423233
  • Std. Longitude: -112.5080185
  • Datum: WGS84
  • Location Description: Nevada Ridge Snotel Site, soil pit about 40' SW (218") from precip can tower.
  • Map Unit: 59—Typic Cryochrepts, channery-Typic Cryochrepts, extremely cobbly complex, mountain ridges
  • State: Montana
  • County: MT049—Lewis and Clark
  • MLRA: 43B—Central Rocky Mountains
  • Non-MLRA Soil Survey Area: MT631—Helena National Forest Area, Montana
  • 7.5 Minute USGS Quad: 46112-G5—Nevada Mountain, Montana

    • PEDON

  • Describers Name: Neal Svendsen
  • Current Taxonomic Class: Loamy-skeletal, mixed Andic Cryochrepts
  • Current Taxon Kind: family
  • Pedon Type: map unit inclusion
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Andic Cryochrepts
  • Taxonomic Class - Loamy-skeletal, mixed Andic Cryochrepts
  • PSC - 25 to 79 cm.
  • Classificaton Date - 7/30/2007
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: Northern Rocky mountains
  • Landform: saddle, ridge
  • Geomorphic Component Mountains: mountaintop
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: well
  • Bedrock: slate at 79cm
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/30/2007 (actual site observation date)
  • Surface Water Depth: 6
  • 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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PICO

    PSMEG

    GAFR2

    VASC

    Pinus contorta

    Pseudotsuga menziesii var. glauca

    Gaylussacia frondosa

    Vaccinium scoparium

    lodgepole pine

    Rocky Mountain Douglas-fir

    blue huckleberry

    grouse whortleberry

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

    andic soil properties

    8—20

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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

    5

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    2143

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    276

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    903

    Nevada Ridge

    SNOTEL
    Oe—0 to 4 centimeters (0.0 to 1.6 inches); moderately decomposed plant material; fragments.
    E—4 to 6 centimeters (1.6 to 2.4 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; loam; 40 percent sand; 10 percent clay; moderate fine granular structure; soft, very friable, slightly sticky, slightly plastic; 2.0 very fine roots and 1.0 very coarse roots and 1.0 medium roots and 2.0 fine roots and 1.0 coarse roots; 10 percent by volume nonflat angular 2-?-75 millimeter unspecified fragments; noneffervescent; abrupt smooth boundary. No bag sample for horizon E - only 1" thick. (Bag samples for horizons Bw, 2E, and 2E2.
    Bw—8 to 20 centimeters (3.1 to 7.9 inches); dark yellowish brown (10YR 4/4), light yellowish brown (10YR 6/4), dry; ashy loam; 35 percent sand; 12 percent clay; soft, very friable, slightly sticky, slightly plastic; 2.0 very fine roots and 1.0 very coarse roots and 1.0 medium roots and 2.0 fine roots and 1.0 coarse roots; 10 percent by volume nonflat angular 2-?-75 millimeter unspecified fragments; noneffervescent; abrupt wavy boundary. Lab sample # 08N01035
    2E1—20 to 48 centimeters (7.9 to 18.9 inches); light olive brown (2.5Y 5/4), pale yellow (2.5Y 8/2), dry; extremely channery loam; 45 percent sand; 20 percent clay; weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 2.0 very fine roots and 1.0 medium roots and 2.0 fine roots; 70 percent by volume flat 2-?-150 millimeter unspecified fragments; noneffervescent; gradual wavy boundary. Lab sample # 08N01036
    2E2—48 to 79 centimeters (18.9 to 31.1 inches); light yellowish brown (2.5Y 6/3), light gray (2.5Y 7/2), dry; extremely channery sandy loam; 60 percent sand; 15 percent clay; weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 2.0 very fine roots and 1.0 medium roots and 2.0 fine roots; 80 percent by volume flat 2-?-150 millimeter unspecified fragments; noneffervescent; clear wavy boundary. Lab sample # 08N01037. Two hairnet samples from horizon 2E2 with samll clods (1/2-3/4" diameter). (Couldn't get any peds from other horizons.)
    R—79 to 112 centimeters (31.1 to 44.1 inches); 1.0 very fine roots and 1.0 fine roots; fragments; noneffervescent. Fractured, partially metamorphosed, shale bedrock. Roots in fractures.