IDENTIFIERS

  • Current Taxon Name (Soil Name): Top
  • OSD
  • Series Extent
  • User Site ID: S2003OR023010
  • User Pedon ID: S2003OR023010
  • Vegetation Plot ID: S2003OR023010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 04N0426
  • NCSS Pedon Lab Data NASIS Record ID - 16481
  • Print Date: 11/26/2024

    • 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: 44.8936195
  • Std. Longitude: -119.4671783
  • Datum: WGS84
  • Township: 8 S.
  • Range: 27 E.
  • Section: 11
  • PLSS Details: 1,100 feet south and 1,300 feet east of the NW corner
  • Location Description: 5 miles north of the town of Monument located on the westside of the Top Road.
  • State: Oregon
  • County: OR023—Grant
  • MLRA: 43—Northern Rocky Mountains
  • Regional Office: 1—Portland, OR
  • Non-MLRA Soil Survey Area: OR627—Grant County Area, Oregon
  • 7.5 Minute USGS Quad: 44119-H4—Johnny Cake Mountain, Oregon

    • PEDON

  • Describers Name: Stan Winther
  • Current Taxonomic Class: Fine, smectitic, frigid Vitrandic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Windows Pedon
  • Pedon #: 10
  • Sampled As Information:
  • Soil Name - Top
  • Taxonomic Class - Fine, smectitic, frigid Vitrandic Argixerolls
  • PSC - 15 to 66 cm.
  • Classificaton Date - 9/4/2003
  • Soil Taxonomic Edition - eighth edition
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash over clayey colluvium derived from basalt
  • Landscape: hills
  • Landform: hillslope
  • Hill Slope Profile: footslope
  • Slope Position: middle third
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: strongly coherent moderate weathered tuff, basic at 127cm
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/4/2003 (actual site observation date)
  • Air Photo ID: 7098-234
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • 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

    CAGE2

    PIPO

    PSME

    RICE

    ROSA5

    SYAL

    Carex geyeri

    Pinus ponderosa

    Pseudotsuga menziesii

    Ribes cereum

    Rosa

    Symphoricarpos albus

    Geyer's sedge

    ponderosa pine

    Douglas-fir

    wax currant

    rose

    common snowberry

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

    mollic epipedon

    andic soil properties

    argillic horizon

    0—56

    3—15

    15—127

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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

    27

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    1069.8

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    45

    381

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    55

    6.1

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    Oi—0 to 2 centimeters (0.0 to 0.8 inches); slightly decomposed plant material; fragments; clear wavy boundary.; observed in pit, small
    Oe—2 to 3 centimeters (0.8 to 1.2 inches); moderately decomposed plant material; fragments; abrupt smooth boundary.; observed in pit, small
    A—3 to 15 centimeters (1.2 to 5.9 inches); dark grayish brown (10YR 4/2) exterior, very dark brown (10YR 2/2) exterior, moist; ashy clay loam; 30 percent clay; weak medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; moderately slow permeability; 4.0 very fine roots throughout and 0.5 fine roots throughout; 10.0 very fine tubular and 0.5 fine tubular pores; fragments; neutral, pH 7.0, phenol red; abrupt smooth boundary. Lab sample # 04N02593; dry when described; observed in pit, small
    BAt—15 to 33 centimeters (5.9 to 13.0 inches); dark grayish brown (10YR 4/2) exterior, very dark grayish brown (10YR 3/2) exterior, moist; silty clay loam; 39 percent clay; moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, very plastic; slow permeability; and and ; 0.5 very fine tubular and 0.5 medium tubular and 0.5 fine tubular pores; 35 percent faint clay films on all faces of peds; fragments; neutral, pH 7.0, phenol red; clear smooth boundary. Lab sample # 04N02594; dry when described; observed in pit, small
    Bt1—33 to 56 centimeters (13.0 to 22.0 inches); brown (10YR 5/3) exterior, dark brown (10YR 3/3) exterior, moist; clay; 45 percent clay; moderate medium and coarse subangular blocky structure; hard, friable, very sticky, very plastic; slow permeability; 4.0 very fine roots throughout and 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 4.0 very fine tubular and 0.5 medium tubular and 0.5 fine tubular and 0.5 coarse tubular pores; 70 percent distinct clay films on all faces of peds; fragments; neutral, pH 7.1, phenol red; gradual wavy boundary. Lab sample # 04N02595; dry when described; observed in pit, small
    Bt2—56 to 86 centimeters (22.0 to 33.9 inches); pale brown (10YR 6/3) exterior, brown (10YR 4/3) exterior, moist; clay; 50 percent clay; moderate medium and coarse subangular blocky structure; very hard, very firm, very sticky, very plastic; very slow permeability; 4.0 very fine roots throughout and 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 very fine tubular and 0.5 medium tubular and 0.5 fine tubular pores; 40 percent distinct clay films on all faces of peds; fragments; neutral, pH 7.1, phenol red; clear wavy boundary. Lab sample # 04N02596; dry when described; observed in pit, small
    Bt3—86 to 107 centimeters (33.9 to 42.1 inches); grayish brown (10YR 5/2) exterior, very dark grayish brown (10YR 3/2) exterior, moist; clay; 45 percent clay; moderate fine and medium subangular blocky structure; hard, firm, very sticky, very plastic; slow permeability; 4.0 very fine roots throughout; 4.0 very fine tubular pores; 70 percent faint clay films on all faces of peds; fragments; neutral, pH 7.2, phenol red; clear wavy boundary.; dry when described; observed in pit, small
    BCt—107 to 127 centimeters (42.1 to 50.0 inches); brown (10YR 5/3) exterior, brown (10YR 4/3) exterior, moist; clay; 45 percent clay; moderate medium subangular blocky structure; hard, firm, very sticky, very plastic; slow permeability; 0.5 very fine roots throughout; 0.5 very fine tubular pores; 40 percent faint clay films on all faces of peds; fragments; neutral, pH 7.3, phenol red; abrupt wavy boundary.; dry when described; observed in pit, small
    Cr—127 centimeters (50.0 inches); bedrock; fragments.; observed in pit, small