IDENTIFIERS

  • Current Taxon Name (Soil Name): Pisgasha
  • OSD
  • Series Extent
  • User Site ID: S2014OR069104
  • User Pedon ID: S2014OR069104
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 20N0033
  • User Project ID: 2022-1RED-OR618-INITIAL
  • Project Name: Crook County Area, Oregon - Initial
  • Print Date: 12/10/2025
  • 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: 44.4585280
  • Std. Longitude: -120.2126390
  • Datum: WGS84
  • Township: 13S
  • Range: 21E
  • Section: 9
  • PLSS Details: NE 1/4 SE 1/4
  • State: Oregon
  • County: OR069—Wheeler
  • MLRA: 10—Central Rocky and Blue Mountain Foothills
  • Regional Office: 1—Portland, OR
  • MLRA Soil Survey Area: NW-RED—Redmond, Oregon
  • Non-MLRA Soil Survey Area: OR618—Crook County Area, Oregon
  • 7.5 Minute USGS Quad: 44120-D2—Mount Pisgah, Oregon
  • PEDON

  • Describers Name: Jim David
  • Current Taxonomic Class: Ashy over loamy, amorphic over isotic Alfic Vitricryands
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Pisgasha
  • Taxonomic Class - Ashy over loamy, amorphic over isotic Alfic Vitricryands
  • Taxon Kind - taxadjunct
  • PSC - 1 to 101 cm.
  • Classificaton Date - 3/8/2016
  • Classifier - Kurt Moffitt
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Class - duff
  • Pedoderm Loose Cover Indicator - no
  • Pedon Vegetation and Crop Cover Information:
  • Forest Overstory Veg. Type - tree
  • Forest Understory Veg. Type - perennial forbs or herbaceous
  • Forest Groundcover Veg. Type Dominant - perennial forbs or herbaceous
  • Forest Groundcover Veg. Type Secondary - perennial forbs or herbaceous
  • Hydric: no


  • SITE

  • Parent Material: volcanic ash over residuum
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainflank, upper third
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Complexity: complex
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 5.00 percent nonflat subangular indurated 2- to 75-millimeter basalt, 5.00 percent nonflat subangular indurated 75- to 250-millimeter basalt,
  • Benchmark Soil?: no
  • VEGETATION

  • Other Vegetative Class: CAG111 - subalpine fir/elk sedge—Plant Assoc. of Blue and Ochoco Mountains (R6 E TP-036-92)
  • SITE OBSERVATION

  • Observation Date: 8/4/2014 (actual site observation date)
  • Data Collector: Jim David
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • Pedoderm Class - duff
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Kind of Land: grazable woodland
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    volcanic glass

    andic soil properties

    argillic horizon

    1—30

    1—97

    1—97

    108—175

    —29—

    —96—

    —96—

    —-

    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

    16

    1942

    330

    Oi—0 to 1 centimeters (0.0 to 0.4 inches); slightly decomposed plant material; fragments; clear smooth boundary.; observed in trench
    A1—1 to 7 centimeters (0.4 to 2.8 inches); dark yellowish brown (10YR 3/4) broken face ashy loamy sand; 7 percent clay; single grain; loose, very friable, nonsticky, nonplastic; fragments; strongly acid, pH 5.4, pH indicator solutions; clear smooth boundary.; observed in trench
    A2—7 to 30 centimeters (2.8 to 11.8 inches); dark yellowish brown (10YR 3/4) broken face ashy loamy sand; 7 percent clay; weak medium subangular blocky parts to single grain; loose, very friable, nonsticky, nonplastic; fragments; moderately acid, pH 5.8, pH indicator solutions; gradual smooth boundary. Lab sample # 20N00116; observed in trench
    Bw—30 to 67 centimeters (11.8 to 26.4 inches); dark yellowish brown (10YR 4/6) broken face ashy loamy sand; 5 percent clay; weak medium subangular blocky structure; loose, very friable, nonsticky, nonplastic; fragments; moderately acid, pH 5.8, pH indicator solutions; abrupt smooth boundary.; observed in trench
    C—67 to 97 centimeters (26.4 to 38.2 inches); yellowish brown (10YR 5/6) broken face ashy very fine sandy loam; 2 percent clay; weak thick platy structure; moderately hard, friable, nonsticky, slightly plastic; brittle; fragments; strongly acid, pH 5.4, pH indicator solutions; clear smooth boundary.; observed in trench
    2Ab—97 to 108 centimeters (38.2 to 42.5 inches); very dark grayish brown (10YR 3/2) broken face loam; 25 percent clay; moderate medium subangular blocky structure; soft, friable, slightly sticky, slightly plastic; 5 percent by volume nonflat subangular indurated 2-25-75 millimeter basalt fragments observed by visual inspection method; strongly acid, pH 5.2, pH indicator solutions; gradual wavy boundary.; observed in trench
    2Btb1—108 to 142 centimeters (42.5 to 55.9 inches); dark yellowish brown (10YR 4/4) broken face gravelly sandy clay loam; 30 percent clay; moderate medium subangular blocky structure; moderately hard, friable, moderately sticky, moderately plastic; 20 percent by volume nonflat subangular indurated 2-35-75 millimeter basalt fragments observed by visual inspection method; moderately acid, pH 5.6, pH indicator solutions; clear wavy boundary.; observed in trench
    2Btb2—142 to 175 centimeters (55.9 to 68.9 inches); brown (10YR 4/3) broken face very gravelly sandy clay; 36 percent clay; moderate medium prismatic structure; moderately hard, friable, moderately sticky, moderately plastic; 40 percent by volume nonflat subangular indurated 2-35-75 millimeter basalt fragments observed by visual inspection method; strongly acid, pH 5.4, pH indicator solutions; clear wavy boundary.; observed in trench
    2Bqb—175 to 198 centimeters (68.9 to 78.0 inches); variegated extremely gravelly sand; 5 percent clay; weak coarse subangular blocky structure; loose, loose, nonsticky, nonplastic; 5 percent by volume nonflat subrounded indurated 75-125-250 millimeter basalt fragments observed by visual inspection method and 80 percent by volume nonflat subangular indurated 2-35-75 millimeter basalt fragments observed by visual inspection method; moderately acid, pH 5.8, pH indicator solutions.; observed in trench