IDENTIFIERS

  • Current Taxon Name (Soil Name): Hudspine
  • OSD
  • Series Extent
  • User Site ID: S2014OR013023
  • User Pedon ID: S2014OR013023
  • Vegetation Plot ID: 2014OR013023
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 20N0026
  • User Project ID: 2022-1RED-OR618-INITIAL
  • Project Name: Crook County Area, Oregon - Initial
  • Print Date: 12/9/2025

    • 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: 44.3784280
  • Std. Longitude: -120.1915000
  • Datum: WGS84
  • GPS - PDOP: 2
  • Country: US—United States
  • State: Oregon
  • County: OR013—Crook
  • 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: Kurt Moffitt and Jim David
  • Current Taxonomic Class: Ashy over clayey-skeletal, glassy over smectitic, frigid Alfic Vitrixerands
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Hudspine (flagged as OSD)
  • Taxonomic Class - Ashy over clayey-skeletal, glassy over smectitic, frigid Alfic Vitrixerands
  • Taxon Kind - series
  • PSC - 3 to 103 cm.
  • Classificaton Date - 5/18/2015
  • Classifier - Kurt Moffitt
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • 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 - shrub
  • Forest Groundcover Veg. Type Dominant - perennial grass
  • Forest Groundcover Veg. Type Secondary - perennial forbs or herbaceous
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash over clayey pedisediment
  • Landscape: mountains
  • Landform: pediment
  • Geomorphic Component Mountains: mountainbase
  • Hill Slope Profile: footslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Pattern: dendritic
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

  • Other Vegetative Class: CPS131 - ponderosa pine/mountain big sagebrush/Idaho fescue-bluebunch wheatgrass—Plant Assoc. of Blue and Ochoco Mountains (R6 E TP-036-92)

    • SITE OBSERVATION

  • Observation Date: 10/2/2014 (actual site observation date)
  • Data Collector: Kurt Moffitt and Jim David
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • Pedoderm Class - duff
  • Pedoderm Loose Cover Indicator - no
  • Biol. Crust Type Dominant - none evident
  • Biol. Crust Type Secondary - moss
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Forest Rotation Stage - mid
  • Current Weather - sunny
  • Current Air Temp - 18
  • Kind of Land: grazable woodland
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PIPO

    FEID

    ARTRV

    POSE

    Pinus ponderosa

    Festuca idahoensis

    Artemisia tridentata ssp. vaseyana

    Poa secunda

    ponderosa pine

    Idaho fescue

    mountain big sagebrush

    Sandberg bluegrass

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

    duripan

    very strongly coherent

    92 - 164

    - 70 -

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

    ochric epipedon

    andic soil properties

    volcanic glass

    argillic horizon

    secondary carbonates

    abrupt textural change

    duripan

    3—66

    3—66

    3—66

    66—164

    66—110

    66—67

    92—164

    —63—

    —63—

    —63—

    —98—

    —44—

    —1—

    —72—
    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

    —

    —

    1404

    —

    —

    —

    —

    —

    —

    —

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    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; low excavation difficulty; fragments; clear smooth boundary.; observed in trench
    A1—3 to 18 centimeters (1.2 to 7.1 inches); light brownish gray (10YR 6/2) broken face, very dark grayish brown (10YR 3/2) broken face, moist; ashy sandy loam; 11 percent clay; weak fine platy, and weak medium platy structure; loose, very friable, nonsticky, nonplastic; low excavation difficulty; 10 percent by volume nonflat subrounded indurated 2-15-75 millimeter basalt fragments observed by visual inspection method; strongly acid, pH 5.2, pH meter; clear smooth boundary.; observed in trench
    A2—18 to 42 centimeters (7.1 to 16.5 inches); light brownish gray (10YR 6/2) broken face, dark brown (10YR 3/3) broken face, moist; cobbly ashy sandy loam; 12 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; loose, very friable, nonsticky, nonplastic; low excavation difficulty; 10 percent by volume nonflat subrounded indurated 2-15-75 millimeter basalt fragments observed by visual inspection method and 10 percent by volume nonflat subangular indurated 75-100-250 millimeter basalt fragments observed by visual inspection method; moderately acid, pH 5.6, pH meter; clear wavy boundary.; observed in trench
    AB—42 to 66 centimeters (16.5 to 26.0 inches); pale brown (10YR 6/3) broken face, dark brown (10YR 3/3) broken face, moist; gravelly ashy sandy clay loam; 23 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, firm, slightly sticky, slightly plastic; moderate excavation difficulty; 5 percent by volume nonflat subangular indurated 75-125-250 millimeter basalt fragments observed by visual inspection method and 20 percent by volume nonflat subrounded indurated 2-35-75 millimeter basalt fragments observed by visual inspection method; strongly acid, pH 5.3, pH meter; abrupt wavy boundary.; observed in trench
    2Btk—66 to 92 centimeters (26.0 to 36.2 inches);, dark brown (10YR 3/3) broken face, moist; extremely cobbly clay; 45 percent clay; moderate fine angular blocky structure; hard, firm, slightly sticky, moderately plastic; high excavation difficulty; 20 percent prominent clay films on all faces of peds; 8 percent fine faint irregular carbonate masses on bottom of rock fragments; 5 percent by volume nonflat subrounded indurated 250-350-600 millimeter mixed fragments observed by visual inspection method and 20 percent by volume nonflat rounded indurated 2-35-75 millimeter mixed fragments observed by visual inspection method and 45 percent by volume nonflat rounded indurated 75-125-250 millimeter mica fragments observed by visual inspection method; neutral, pH 6.8, pH meter; abrupt wavy boundary.; observed in trench. discontinuous - phpvsfiid 1154573; discontinuous - phpvsfiid 1154573
    2Btkqm—92 to 110 centimeters (36.2 to 43.3 inches);, dark yellowish brown (10YR 4/6) broken face, moist; extremely cobbly clay; 60 percent clay; strong fine angular blocky structure; very strongly coherent by silica; extremely high excavation difficulty; 15 percent distinct clay films on all faces of peds; 45 percent coarse distinct silica masses in matrix and 5 percent fine faint irregular carbonate masses on bottom of rock fragments; 25 percent by volume nonflat rounded indurated 2-25-75 millimeter mixed fragments observed by visual inspection method and 50 percent by volume nonflat subrounded indurated 75-125-250 millimeter mixed fragments observed by visual inspection method; neutral, pH 7.1, pH meter; clear wavy boundary. Lab sample # 20N00096; observed in trench. discontinuous - phpvsfiid 1154574; discontinuous - phpvsfiid 1154574
    2Btqm—110 to 164 centimeters (43.3 to 64.6 inches);, dark yellowish brown (10YR 4/4) broken face, moist; extremely cobbly sandy clay; 55 percent clay; strong fine angular blocky, and massive; strongly coherent by silica; very high excavation difficulty; 12 percent distinct clay films on all faces of peds; 40 percent coarse distinct silica masses in matrix and 30 percent coarse distinct silica concretions on bottom of rock fragments; 5 percent by volume nonflat subrounded indurated 250-350-600 millimeter mixed fragments observed by visual inspection method and 15 percent by volume nonflat rounded indurated 2-35-75 millimeter mixed fragments observed by visual inspection method and 60 percent by volume nonflat rounded indurated 75-100-250 millimeter mixed fragments observed by visual inspection method; moderately alkaline, pH 8.0, pH meter. Lab sample # 20N00097; observed in trench. discontinuous - phpvsfiid 1154575; discontinuous - phpvsfiid 1154575