IDENTIFIERS

  • Current Taxon Name (Soil Name): Coser
  • OSD
  • Series Extent
  • User Site ID: 83-FDH-1392
  • User Pedon ID: S08ID073003
  • Vegetation Plot ID: 83-FDH-1392
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 09N0964
  • NCSS Pedon Lab Data NASIS Record ID - 24606
  • Print Date: 2/16/2025

    • 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: 42.5622215
  • Std. Longitude: -117.0191650
  • Datum: WGS84
  • Township: 10 S.
  • Range: 6 W.
  • Section: 11
  • PLSS Details: southwest 1/4 of southwest 1/4
  • Location Description: Owyhee County
  • Country: US—United States
  • State: Idaho
  • County: ID073—Owyhee
  • MLRA: 25—Owyhee High Plateau
  • Non-MLRA Soil Survey Area: ID675—Owyhee County Area, Idaho

    • PEDON

  • Describers Name: Don Hobson
  • Current Taxonomic Class: Fine, smectitic, frigid Typic Palexerolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 3
  • Sampled As Information:
  • Soil Name - Coser
  • Taxonomic Class - Fine, smectitic, frigid Typic Palexerolls
  • PSC - 10 to 60 cm.
  • Classificaton Date - 8/2/1983
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: mixed with volcanic ash and/or silty alluvium derived from basalt and/or loess derived from basalt
  • Landform: lava plateau
  • Microfeature: mound
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/2/1983 (actual site observation date)
  • Plant Association Name: 025XY043ID
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Site Obs. Cover Kind 2 - rangeland, shrubby
  • 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

    ELELE

    POSE

    PSSP6

    Artemisia tridentata ssp. tridentata

    Elymus elymoides ssp. elymoides

    Poa secunda

    Pseudoroegneria spicata

    basin big sagebrush

    squirreltail

    Sandberg bluegrass

    bluebunch wheatgrass

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

    bedrock, paralithic

    abrupt textural change

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    - 79

    10 - 48

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

    mollic epipedon

    abrupt textural change

    argillic horizon

    paralithic materials

    0—10

    10—

    10—79

    79—

    48—-

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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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    1509

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    180

    330

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    8.3

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    A—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2), very dark brown (10YR 2/2), moist; gravelly loam; 25 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 5.0 very fine roots and 3.0 medium roots and 5.0 fine roots; 3.0 very fine tubular and 3.0 very fine interstitial and 3.0 very fine vesicular and 3.0 fine interstitial and 3.0 fine tubular and 3.0 fine vesicular pores; and ; 5 percent by volume nonflat 75-160-250 millimeter basalt fragments and 10 percent by volume nonflat 2-40-75 millimeter basalt fragments; neutral, pH 6.9; abrupt smooth boundary. Lab sample # 09N03638
    Bt1—10 to 33 centimeters (3.9 to 13.0 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; clay; 45 percent clay; strong fine prismatic parts to moderate fine angular blocky structure; very hard, very firm, very sticky, very plastic; 0.2 very fine roots and 0.2 medium roots and 0.2 fine roots; 3.0 very fine tubular pores; 70 percent prominent clay films on all faces of peds and 70 percent prominent clay films on surfaces along pores; 5 percent by volume nonflat 2-40-75 millimeter basalt fragments and 5 percent by volume nonflat 75-160-250 millimeter basalt fragments; neutral, pH 7.2; clear smooth boundary. Lab sample # 09N03639
    Bt2—33 to 48 centimeters (13.0 to 18.9 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 3/4), moist; clay; 42 percent clay; strong medium angular blocky, and strong fine angular blocky structure; very hard, very firm, very sticky, very plastic; 0.5 very fine roots and 0.5 medium roots and 0.5 fine roots; 3.0 very fine tubular pores; 70 percent prominent clay films on all faces of peds and 70 percent prominent clay films on surfaces along pores; 5 percent by volume nonflat 2-40-75 millimeter basalt fragments and 5 percent by volume nonflat 75-160-240 millimeter basalt fragments; neutral, pH 7.3; clear smooth boundary. Lab sample # 09N03640
    2Bt3—48 to 79 centimeters (18.9 to 31.1 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; gravelly clay loam; 27 percent clay; moderate fine subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots and 0.5 medium roots and 0.5 fine roots; 3.0 very fine tubular pores; 35 percent faint clay films on all faces of peds and 35 percent faint clay films on surfaces along pores; 15 percent by volume nonflat 2-40-75 millimeter latite fragments; moderately alkaline, pH 8.0; clear smooth boundary.
    2Cr—79 centimeters (31.1 inches); light gray (10YR 7/2), light yellowish brown (10YR 6/4), moist; 35 percent fine carbonate masses; fragments; strong effervescence.