IDENTIFIERS

  • Current Taxon Name (Soil Name): Dupratt
  • OSD
  • Series Extent
  • User Site ID: 07-DJT-01 Rock Springs
  • User Pedon ID: S2007OR023001
  • Vegetation Plot ID: 07-DJT-01 Rock Springs
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 08N0354
  • NCSS Pedon Lab Data NASIS Record ID - 19757
  • Print Date: 11/21/2024
  • 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: 44.0050850
  • Std. Longitude: -118.8339157
  • Datum: WGS84
  • Country: US—United States
  • State: Oregon
  • County: OR023—Grant
  • MLRA: 43C—Blue and Seven Devils Mountains
  • PEDON

  • Describers Name: Dave Trochlell
  • Current Taxonomic Class: Clayey-skeletal, smectitic, frigid Vitrandic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Dupratt
  • PSC - 28 to 78 cm.
  • Classificaton Date - 5/14/2008
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Dupratt
  • Classificaton Date - 6/19/2007
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: volcanic ash and/or loess and/or clayey residuum weathered from andesite
  • Landform: mountain
  • Geomorphic Component Mountains: mountainflank, upper third
  • Hill Slope Profile: shoulder
  • Slope Position: lower third
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: indurated slight weathered andesite at 84cm
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/19/2007 (actual site observation date)
  • Surface Water Kind: none observed
  • 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

    CAGE2

    FEID

    PIPO

    PSMEG

    Carex geyeri

    Festuca idahoensis

    Pinus ponderosa

    Pseudotsuga menziesii var. glauca

    Geyer's sedge

    Idaho fescue

    ponderosa pine

    Rocky Mountain Douglas-fir

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

    bedrock, lithic

    indurated

    84 -

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

    mollic epipedon

    argillic horizon

    lithologic discontinuity

    lithic contact

    8—46

    28—84

    28—84

    84—94

    —38—

    —56—

    —56—

    —10—

    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

    7

    1612

    310

    721

    Rock Springs

    SNOTEL

    Oi—0 to 8 centimeters (0.0 to 3.1 inches); slightly decomposed plant material; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 very fine interstitial and 10.0 medium interstitial and 10.0 fine interstitial pores; fragments; clear smooth boundary.; dry when described; observed in pit, small
    A—8 to 28 centimeters (3.1 to 11.0 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; gravelly ashy loam; 16 percent clay; weak medium granular, and weak fine granular structure; slightly sticky, slightly plastic; moderately slow permeability; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 very fine tubular and 10.0 medium tubular and 10.0 fine tubular pores; 20 percent by volume nonflat subrounded indurated 2-15-25 millimeter andesite fragments; noneffervescent, by hcl, 1n; moderately acid, pH 6.0, pH meter; clear wavy boundary. Lab sample # 08N02251; moist when described; observed in pit, small
    2Bt1—28 to 46 centimeters (11.0 to 18.1 inches); brown (7.5YR 4/3), dark brown (7.5YR 3/3), moist; gravelly clay; 45 percent clay; weak fine subangular blocky structure; moderately sticky, moderately plastic; slow permeability; 4.0 very fine roots throughout and 4.0 medium roots throughout and 4.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 very fine tubular and 10.0 medium tubular and 10.0 fine tubular pores; 25 percent by volume nonflat subrounded indurated 2-25-50 millimeter andesite fragments; noneffervescent, by hcl, 1n; moderately acid, pH 6.0, pH meter; clear smooth boundary. Lab sample # 08N02252; moist when described; observed in pit, small
    2Bt2—46 to 66 centimeters (18.1 to 26.0 inches); brown (7.5YR 5/3), brown (7.5YR 4/3), moist; very gravelly clay; 45 percent clay; weak coarse subangular blocky, and weak medium subangular blocky structure; moderately sticky, moderately plastic; slow permeability; 0.5 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 4.0 medium tubular and 4.0 fine tubular pores; 50 percent by volume nonflat subrounded indurated 2-25-50 millimeter andesite fragments; noneffervescent, by hcl, 1n; moderately acid, pH 6.0, pH meter; gradual smooth boundary. Lab sample # 08N02253; moist when described; observed in pit, small
    2Bt3—66 to 84 centimeters (26.0 to 33.1 inches); brown (7.5YR 5/3), brown (7.5YR 4/3), moist; very gravelly clay loam; 38 percent clay; moderately sticky, moderately plastic; slow permeability; 0.5 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 4.0 medium tubular and 4.0 fine tubular pores; 50 percent by volume nonflat subrounded indurated 2-50-75 millimeter andesite fragments; noneffervescent, by hcl, 1n; moderately acid, pH 5.8, pH meter; abrupt irregular boundary. Lab sample # 08N02254; moist when described; observed in pit, small
    2R—84 centimeters (33.1 inches); bedrock; fragments.; observed in pit, small