IDENTIFIERS

  • Current Taxon Name (Soil Name): Sly
  • OSD
  • Series Extent
  • User Site ID: S1991ID009005
  • User Pedon ID: S1991ID009005
  • Vegetation Plot ID: S1991ID009005
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 92P0278
  • NCSS Pedon Lab Data NASIS Record ID - 64517
  • Print Date: 12/18/2024

    • 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: 47.3186111
  • Std. Longitude: -116.5261078
  • Datum: WGS84
  • Township: 46N
  • Range: 2W
  • Section: 24
  • PLSS Details: 3100 feet S, 1100 feet W of the NE corner
  • Location Description: X-Mas Hi. approx.-1 1/2 mi ENE of St. Maries Idaho,
  • Map Unit: 30—Threebear-Sly complex, 3 to 25 percent slopes
  • State: Idaho
  • County: ID009—Benewah
  • MLRA: 43A—Northern Rocky Mountains
  • Non-MLRA Soil Survey Area: ID608—St. Joe Area, Idaho, Parts of Benewah and Shoshone Counties
  • 7.5 Minute USGS Quad: 47116-C5—Saint Maries, Idaho

    • PEDON

  • Current Taxonomic Class: Fine-loamy, mixed, superactive, frigid Vitrandic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Sly (flagged as OSD)
  • PSC - 27 to 77 cm.
  • Classificaton Date - 3/19/2013
  • Classifier - Brian Gardner
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Sly
  • Classificaton Date - 4/1/1991
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash and loess over residuum weathered from basalt
  • Landscape: basalt plateau
  • Landform: structural bench
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

  • Other Vegetative Class: CN570 - western hemlock/queencup beadlily—Forest Habitat Types of Northern Idaho (GTR-INT-236)

    • SITE OBSERVATION

  • Observation Date: 4/1/1991 (actual site observation date)
  • 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
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ABGR

    COOC

    LAOC

    LIBOL2

    PIMO3

    PSMEG

    ROGY

    THPL

    TSHE

    Abies grandis

    Coptis occidentalis

    Larix occidentalis

    Linnaea borealis ssp. longiflora

    Pinus monticola

    Pseudotsuga menziesii var. glauca

    Rosa gymnocarpa

    Thuja plicata

    Tsuga heterophylla

    grand fir

    Idaho goldthread

    western larch

    longtube twinflower

    western white pine

    Rocky Mountain Douglas-fir

    dwarf rose

    western redcedar

    western hemlock

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

    ochric epipedon

    volcanic glass

    cambic horizon

    argillic horizon

    0—11

    4—27

    11—27

    27—156

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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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    914

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    Oi—0 to 1 centimeters (0.0 to 0.4 inches); slightly decomposed plant material; fragments. slightly decomposed needles, leaves and twigs
    C—1 to 2 centimeters (0.4 to 0.8 inches); fragments. volcanic as - May 1980 eruption Mr. St. Helens
    Oe—2 to 4 centimeters (0.8 to 1.6 inches); moderately decomposed plant material; fragments. well decomposed organic matter
    A—4 to 11 centimeters (1.6 to 4.3 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; ashy silt loam; moderate fine and medium subangular blocky, and weak very fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 5.5 very fine and fine roots and 2.5 medium and coarse roots; 5.5 very fine tubular and 2.5 fine and medium tubular pores; fragments; slightly acid, pH 6.5, hellige-truog; clear wavy boundary. Lab sample # 92P1804. common medium and coarse roots; many very fine and fine roots
    Bw—11 to 27 centimeters (4.3 to 10.6 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; ashy silt loam; moderate fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots and 0.5 medium and coarse roots; 0.5 medium tubular and 2.5 fine tubular pores; fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. Lab sample # 92P1805. few medium and coarse roots; common very fine and fine roots
    Bt1—27 to 55 centimeters (10.6 to 21.7 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; 20 percent clay; moderate medium and coarse subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 2.5 very fine roots and 0.5 fine and medium roots; 0.5 medium tubular and 2.5 fine tubular pores; 15 percent distinct clay films on faces of peds and in pores and 37 percent faint clay films on faces of peds and in pores; fragments; moderately acid, pH 5.8, hellige-truog; clear wavy boundary. common clay films surface features on faces of peds and in pores; few clay films surface features on faces of peds and in pores; few fine and medium roots; common very fine roots
    Bt2—55 to 95 centimeters (21.7 to 37.4 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; 25 percent clay; moderate coarse and very coarse angular blocky structure; hard, firm, slightly sticky, slightly plastic; 2.5 very fine roots and 0.5 fine roots; 5.5 very fine and fine tubular and 0.5 medium tubular pores; 37 percent distinct clay films on faces of peds and in pores and 55 percent faint clay films on faces of peds and in pores; fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. many clay films surface features on faces of peds and in pores; common clay films surface features on faces of peds and in pores; few fine roots; common very fine roots
    Bt3—95 to 156 centimeters (37.4 to 61.4 inches); dark brown (10YR 3/3) and brown (10YR 4/3), brown (10YR 5/3) and pale brown (10YR 6/3), dry; silty clay loam; 29 percent clay; moderate coarse and very coarse angular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots; 5.5 very fine and fine tubular and 0.5 medium tubular pores; 15 percent prominent clay films on faces of peds and in pores and 37 percent distinct clay films on faces of peds and in pores; 10 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.5, hellige-truog. common clay films surface features on faces of peds and in pores; few clay films surface features on faces of peds and in pores; few very fine and fine roots