IDENTIFIERS

  • Current Taxon Name (Soil Name): Littlegrass
  • OSD
  • Series Extent
  • User Site ID: DCR-09-140
  • User Pedon ID: S09OR045015
  • Vegetation Plot ID: DCR-09-140
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 10N0422
  • NCSS Pedon Lab Data NASIS Record ID - 40038
  • Print Date: 11/27/2024

    • 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: 42.8175850
  • Std. Longitude: -117.2060318
  • Datum: WGS84
  • Township: 31 S.
  • Range: 45 E.
  • Section: 34
  • Map Unit: 142—Drice-Babala, high elevation, ashy silt loams complex, 2 to 8 percent slopes
  • State: Oregon
  • County: OR045—Malheur
  • MLRA: 25—Owyhee High Plateau
  • Non-MLRA Soil Survey Area: OR644—Malheur County, Oregon, Southern Part
  • 7.5 Minute USGS Quad: 42117-G2—Juniper Ridge, Oregon

    • PEDON

  • Describers Name: D. Rand
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, frigid Vitritorrandic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 15
  • Correlated Information:
  • Soil Name - Littlegrass
  • PSC - 21 to 71 cm.
  • Classificaton Date - 12/17/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Littlegrass
  • Taxonomic Class - Fine-loamy, mixed, superactive, frigid Vitritorran
  • Taxon Kind - series
  • Classificaton Date - 10/8/2009
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash and/or loess and/or residuum weathered from tuff
  • Landscape: plateau
  • Landform: sand sheet on pediment
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments: 1.00 percent subrounded indurated 2- to 5-millimeter tuff, unspecified,
  • Benchmark Soil?: no

    • VEGETATION

  • Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
    Ecological Site ID Ecological Site Name Correlation Data Classifier
    R025XY025OR ASHY PLATEAU 11-13 PZ

    • SITE OBSERVATION

  • Observation Date: 10/8/2009 (actual site observation date)
  • Surface Cover Properties:
  • 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

    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

    duripan

    very strongly coherent

    110 - 115

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

    mollic epipedon

    argillic horizon

    duripan

    0—42

    21—110

    110—115

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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

    2

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    1425

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    350

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    A1—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 5/3), very dark brown (10YR 2/2), moist; ashy silt loam; 25 percent sand; 22 percent clay; moderate medium platy structure; slightly hard, friable, noncoherent, slightly sticky, slightly plastic; 10.0 very fine roots throughout; 5.0 very fine dendritic tubular pores; fragments; noneffervescent; neutral, pH 6.8, phenol red; clear smooth boundary. Lab sample # 10N01704; moist when described; observed in pit, small
    A2—8 to 21 centimeters (3.1 to 8.3 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; ashy loam; 30 percent sand; 24 percent clay; moderate medium subangular blocky structure; hard, very friable, noncoherent, slightly sticky, slightly plastic; 2.0 very fine roots throughout and 2.0 medium roots throughout and 1.0 coarse roots throughout; 1.0 very fine dendritic tubular and 1.0 medium dendritic tubular pores; fragments; noneffervescent; neutral, pH 7.2, phenol red; clear smooth boundary. Lab sample # 10N01705; dry when described; observed in pit, small
    Bt1—21 to 42 centimeters (8.3 to 16.5 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; clay loam; 30 percent sand; 30 percent clay; moderate medium prismatic structure; moderately hard, friable, noncoherent, moderately sticky, moderately plastic; 1.0 very fine roots throughout and 1.0 fine roots throughout and 2.0 coarse roots throughout; 2.0 very fine dendritic tubular and 1.0 medium dendritic tubular and 2.0 fine dendritic tubular pores; 40 percent distinct clay films on all faces of peds; fragments; noneffervescent; slightly alkaline, pH 7.4, phenol red; clear smooth boundary. Lab sample # 10N01706; dry when described; observed in pit, small
    Bt2—42 to 67 centimeters (16.5 to 26.4 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; clay loam; 30 percent sand; 35 percent clay; moderate fine prismatic, and moderate medium prismatic structure; very hard, friable, noncoherent, moderately sticky, moderately plastic; 1.0 medium roots throughout and 1.0 fine roots throughout; 2.0 very fine dendritic tubular and 1.0 fine dendritic tubular pores; 5 percent sand coats on all faces of peds and 80 percent distinct clay films on all faces of peds; fragments; 2 percent krotovinas (volume percent); noneffervescent; slightly alkaline, pH 7.6, phenol red; clear smooth boundary. Lab sample # 10N01707; dry when described; observed in pit, small
    Bt3—67 to 90 centimeters (26.4 to 35.4 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; clay loam; 35 percent sand; 30 percent clay; moderate medium prismatic structure; moderately hard, friable, noncoherent, moderately sticky, moderately plastic; 1.0 very fine roots throughout and 1.0 fine roots throughout; 5.0 very fine dendritic tubular pores; 40 percent distinct clay films on all faces of peds; 1 percent by volume subrounded indurated 2-3-5 millimeter tuff, unspecified fragments; 2 percent krotovinas (volume percent); noneffervescent; slightly alkaline, pH 7.4, phenol red; gradual smooth boundary. Lab sample # 10N01708; dry when described; observed in pit, small
    Btq—90 to 110 centimeters (35.4 to 43.3 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; sandy clay loam; 50 percent sand; 25 percent clay; strong very fine angular blocky structure; extremely hard, very firm, noncoherent, moderately sticky, moderately plastic; 1.0 very fine roots throughout; 2.0 very fine dendritic tubular pores; 20 percent distinct clay films on all faces of peds and 30 percent prominent silica coats on all faces of peds; 10 percent manganese masses on faces of peds; 5 percent by volume subrounded indurated 2-3-5 millimeter tuff, unspecified fragments; noneffervescent; slightly alkaline, pH 7.4, phenol red; abrupt smooth boundary. Lab sample # 10N01709; dry when described; observed in pit, small
    Bqm—110 to 115 centimeters (43.3 to 45.3 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 4/6), moist; cemented material; moderate very thick platy structure; very strongly coherent by silica; 1.0 very fine roots between peds; 4.0 very fine dendritic tubular pores; 10 percent silica coats on all faces of peds; 10 percent by volume subrounded indurated 5-10-75 millimeter tuff, unspecified fragments; noneffervescent; moderately alkaline, pH 8.0, phenol red. Lab sample # 10N01710; observed in pit, small