IDENTIFIERS

  • Current Taxon Name (Soil Name): Littlegrass
  • OSD
  • Series Extent
  • User Site ID: ARR-07-249
  • User Pedon ID: S2007OR644249
  • Vegetation Plot ID: ARR-07-249
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 08N0196
  • NCSS Pedon Lab Data NASIS Record ID - 19713
  • 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: 42.8166656
  • Std. Longitude: -117.1811142
  • Datum: WGS84
  • Map Unit: 142—Drice-Babala, high elevation, ashy silt loams complex, 2 to 8 percent slopes
  • State: Oregon
  • Non-MLRA Soil Survey Area: OR644—Malheur County, Oregon, Southern Part
  • 7.5 Minute USGS Quad: 42117-G2—Juniper Ridge, Oregon

    • PEDON

  • Current Taxonomic Class: Fine-loamy, mixed, superactive, frigid Vitritorrandic argixerolls
  • Pedon Type: TUD pedon
  • Pedon Record Orgin: PedonPC
  • Pedon #: 249
  • Correlated Information:
  • Soil Name - Littlegrass
  • PSC - 24 to 74 cm.
  • Classificaton Date - 1/28/2010
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - aridic (torric)
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Whiskeyrun
  • Classificaton Date - 10/3/2007
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash and loess derived over residuum weathered
  • Landscape: lava plateau
  • Landform: lava plateau
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments: 1.00 percent 5- to 75-millimeter
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/3/2007 (actual site observation date)
  • Plant Association Name: 025XY025OR
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - overcast
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARTRT

    FEID

    PSSP6

    Artemisia tridentata ssp. tridentata

    Festuca idahoensis

    Pseudoroegneria spicata

    basin big sagebrush

    Idaho fescue

    bluebunch wheatgrass

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

    bedrock, paralithic

    bedrock, lithic

    moderately coherent

    indurated

    112 - 116

    116 -

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

    argillic horizon

    paralithic contact

    lithic contact

    24—112

    112—116

    116—

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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

    6

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    4901

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    A—0 to 14 centimeters (0.0 to 5.5 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; ashy silt loam; 19 percent clay; weak medium granular structure; soft, very friable, slightly sticky, slightly plastic; 7.0 very fine roots and 5.0 fine roots; 4.0 tubular and 4.0 interstitial pores; 2 percent by volume 2-3-5 millimeter unspecified fragments and 2 percent by volume 5-10-75 millimeter unspecified fragments; noneffervescent, by hcl, unspecified; slightly alkaline, pH 7.4, phenol red; clear smooth boundary. Lab sample # 08N01260; observed in pit, small
    AB—14 to 28 centimeters (5.5 to 11.0 inches); grayish brown (10YR 5/2), dark brown (10YR 3/3), moist; ashy silt loam; 20 percent clay; weak medium subangular blocky, and weak fine subangular blocky structure; hard, very firm, slightly sticky, slightly plastic; 4.0 very fine roots and 1.0 medium roots and 5.0 fine roots; 2.0 medium tubular and 2.0 medium interstitial and 5.0 fine interstitial pores; 2 percent by volume 2-3-5 millimeter unspecified fragments and 2 percent by volume 5-10-75 millimeter unspecified fragments; noneffervescent, by hcl, unspecified; slightly alkaline, pH 7.4, phenol red; clear smooth boundary.; observed in pit, small
    Bt1—28 to 62 centimeters (11.0 to 24.4 inches); brown (10YR 4/3), dark yellowish brown (10YR 3/4), moist; ashy silt loam; 23 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; hard, very firm, slightly sticky, slightly plastic; 3.0 very fine roots and 1.0 medium roots and 3.0 fine roots; 4.0 very fine interstitial and 2.0 medium tubular and 5.0 fine interstitial and 2.0 fine tubular pores; 20 percent distinct clay films on all faces of peds; 2 percent by volume 2-3-5 millimeter unspecified fragments and 2 percent by volume 5-10-75 millimeter unspecified fragments; noneffervescent, by hcl, unspecified; slightly alkaline, pH 7.4, phenol red; clear smooth boundary.; observed in pit, small
    Bt2—62 to 87 centimeters (24.4 to 34.3 inches); brown (10YR 4/3), dark yellowish brown (10YR 3/4), moist; ashy silt loam; 22 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; hard, very firm, slightly sticky, slightly plastic; 2.0 very fine roots and 2.0 fine roots; 5.0 very fine interstitial and 5.0 fine interstitial pores; 30 percent distinct clay films on all faces of peds; 2 percent by volume 2-3-5 millimeter unspecified fragments and 2 percent by volume 5-10-75 millimeter unspecified fragments; noneffervescent, by hcl, unspecified; slightly alkaline, pH 7.4, phenol red; clear smooth boundary.; observed in pit, small
    Bt3—87 to 112 centimeters (34.3 to 44.1 inches); yellowish brown (10YR 5/4), brown (10YR 4/3), moist; ashy silty clay loam; 30 percent clay; weak medium subangular blocky, and weak fine subangular blocky structure; hard, very firm, slightly sticky, slightly plastic; 1.0 very fine roots and 1.0 fine roots; 5.0 very fine interstitial and 5.0 fine interstitial pores; 5 percent distinct clay films on all faces of peds and 30 percent distinct pressure faces; 2 percent by volume 2-3-5 millimeter unspecified fragments and 2 percent by volume 5-10-75 millimeter unspecified fragments and 2 percent by volume 75-100-250 millimeter unspecified fragments; noneffervescent, by hcl, unspecified; slightly alkaline, pH 7.4, phenol red; clear smooth boundary.; observed in pit, small
    Cr—112 to 116 centimeters (44.1 to 45.7 inches); fragments; noneffervescent, by hcl, unspecified; abrupt smooth boundary.; observed in pit, small
    R—116 centimeters (45.7 inches); fragments.