IDENTIFIERS

  • Current Taxon Name (Soil Name): Dupratt
  • OSD
  • Series Extent
  • User Site ID: 10OR069003
  • User Pedon ID: S2010OR069003
  • Vegetation Plot ID: 10OR069003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 11N0363
  • NCSS Pedon Lab Data NASIS Record ID - 43409
  • 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: 45.0562210
  • Std. Longitude: -120.0051117
  • Datum: WGS84
  • Township: 6S
  • Range: 23E
  • Section: 8
  • Country: US—United States
  • State: Oregon
  • County: OR069—Wheeler
  • MLRA: 43—Northern Rocky Mountains
  • Regional Office: 1—Portland, OR
  • Non-MLRA Soil Survey Area: OR677—Wheeler County Area, Oregon
  • 7.5 Minute USGS Quad: 45120-A1—Salmon Fork, Oregon
  • PEDON

  • Describers Name: Ryan L. Miebach
  • Current Taxonomic Class: Clayey-skeletal, smectitic, frigid Vitrandic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Dupratt
  • Taxonomic Class - Clayey-skeletal, smectitic, frigid Vitrandic Argixerolls
  • PSC - 43 to 104 cm.
  • Classificaton Date - 9/9/2010
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: woody organic material over loamy volcanic ash over clayey colluvium derived from basalt over clayey residuum weathered from tuff
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: moderately coherent moderate weathered tuff, unspecified at 104cm
  • Geology: Haystack member of the Crb/johnday group.
  • Surface Fragments: 0.00 percent 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

  • Other Vegetative Class: CPS525 - ponderosa pine/mountain snowberry—Plant Assoc. of Blue and Ochoco Mountains (R6 E TP-036-92)
  • SITE OBSERVATION

  • Observation Date: 9/9/2010 (actual site observation date)
  • Plant Association Name: Ponderosa Pine/mountain snowberry
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - rain
  • Current Air Temp - 13
  • Site Erosion Accelerated: water erosion sheet
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    FRAGA

    PIPO

    PSME

    RICEC2

    ROGY

    SYOR2

    Fragaria

    Pinus ponderosa

    Pseudotsuga menziesii

    Ribes cereum var. cereum

    Rosa gymnocarpa

    Symphoricarpos oreophilus

    strawberry

    ponderosa pine

    Douglas-fir

    wax currant

    dwarf rose

    mountain snowberry

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

    abrupt textural change

    bedrock, paralithic

    moderately coherent

    43 -

    104 -

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

    andic soil properties

    mollic epipedon

    volcanic glass

    abrupt textural change

    argillic horizon

    lithologic discontinuity

    lithologic discontinuity

    3—43

    3—71

    3—43

    43—

    43—104

    43—

    71—

    —-

    —-

    —-

    —-

    —-

    —-

    —-

    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

    38

    1227

    40

    Oi—0 to 3 centimeters (0.0 to 1.2 inches); woody slightly decomposed plant material; fragments; noneffervescent, by hcl, 1n; clear wavy boundary.; observed in pit, small
    A1—3 to 8 centimeters (1.2 to 3.1 inches); dark grayish brown (10YR 4/2) crushed, very dark brown (10YR 2/2) rubbed, moist; ashy silt loam; 15 percent clay; moderate fine granular structure; soft, very friable, slightly sticky, slightly plastic; 12.0 very fine roots throughout and 2.0 medium roots throughout and 10.0 fine roots throughout; 5 percent by volume nonflat subrounded indurated 2-25-76 millimeter basalt fragments; noneffervescent, by hcl, 1n; clear wavy boundary.; observed in pit, small
    A2—8 to 43 centimeters (3.1 to 16.9 inches); dark grayish brown (10YR 4/2) broken face, very dark brown (10YR 2/2) broken face, moist; ashy silt loam; 20 percent clay; moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 7.0 very fine roots throughout and 1.0 very coarse roots throughout and 2.0 medium roots throughout and 5.0 fine roots throughout and 2.0 coarse roots throughout; 10 percent by volume nonflat subrounded indurated 2-30-76 millimeter basalt fragments; noneffervescent, by hcl, 1n; clear wavy boundary. Lab sample # 11N01948; observed in pit, small
    2Bt1—43 to 71 centimeters (16.9 to 28.0 inches); grayish brown (10YR 5/2) broken face, very dark grayish brown (10YR 3/2) broken face, moist; very cobbly clay; 45 percent clay; moderate medium subangular blocky structure; hard, firm, very sticky, very plastic; 5.0 very fine roots throughout and 1.0 very coarse roots throughout and 1.0 medium roots throughout and 2.0 fine roots throughout and 1.0 coarse roots throughout; 60 percent distinct very dark brown (10YR 2/2), moist, clay films on all faces of peds; 20 percent by volume nonflat subrounded indurated 2-30-76 millimeter basalt fragments and 35 percent by volume nonflat subrounded indurated 76-150-250 millimeter basalt fragments; noneffervescent, by hcl, 1n; clear wavy boundary.; observed in pit, small. discontinuous - phpvsfiid 835012; discontinuous - phpvsfiid 835012
    3Bt2—71 to 104 centimeters (28.0 to 40.9 inches); light brownish gray (10YR 6/2) broken face, brown (10YR 4/3) broken face, moist; gravelly clay; 42 percent clay; weak coarse angular blocky structure; hard, firm, very sticky, very plastic; 1.0 medium roots throughout and 2.0 fine roots throughout; 90 percent distinct very dark brown (10YR 2/2), moist, clay films on all faces of peds; 30 percent by volume nonflat subrounded indurated 2-50-76 millimeter basalt fragments; noneffervescent, by hcl, 1n; clear wavy boundary.; observed in pit, small. discontinuous - phpvsfiid 835013; discontinuous - phpvsfiid 835013