IDENTIFIERS

  • Current Taxon Name (Soil Name): Pisgaspring
  • OSD
  • Series Extent
  • User Site ID: S2014OR069102
  • User Pedon ID: S2014OR069102
  • Vegetation Plot ID: 2014OR069102
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 20N0032
  • 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: 44.4579220
  • Std. Longitude: -120.2051530
  • Datum: WGS84
  • Township: 13S
  • Range: 21E
  • Section: 9
  • PLSS Details: NE 1/4 SE1/4
  • 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-skeletal, amorphic over isotic Alfic Vitricryands
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Pisgaspring (flagged as OSD)
  • Taxonomic Class - Ashy over loamy-skeletal, amorphic over isotic Alfic Vitricryands
  • Taxon Kind - series
  • PSC - 2 to 102 cm.
  • Classificaton Date - 10/20/2015
  • Classifier - Kyle Stephens
  • 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 grass
  • Forest Groundcover Veg. Type Secondary - perennial forbs or herbaceous
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash over colluvium
  • 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: concave
  • Slope Shape Down: concave
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: indurated slight weathered basalt at 119cm with 10 to <45
  • Geology: Picture Gorge formation of the Columbia River Basalt group.
  • Surface Fragments: 10.00 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: 9/1/2014 (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 Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Kind of Land: grazable woodland
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PICO

    ABLA

    EPAN2

    BRMA4

    LUPIN

    FRVI

    CAGE2

    CARO5

    RILA

    CEVE

    ACMI2

    HIERA

    Pinus contorta

    Abies lasiocarpa

    Epilobium angustifolium

    Bromus marginatus

    Lupinus

    Fragaria virginiana

    Carex geyeri

    Carex rossii

    Ribes lacustre

    Ceanothus velutinus

    Achillea millefolium

    Hieracium

    lodgepole pine

    subalpine fir

    fireweed

    mountain brome

    lupine

    Virginia strawberry

    Geyer's sedge

    Ross' sedge

    prickly currant

    snowbrush ceanothus

    common yarrow

    hawkweed

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    35

    5

    10

    10

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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

    bedrock, lithic

    indurated

    119 -

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

    mollic epipedon

    andic soil properties

    volcanic glass

    argillic horizon

    lithic contact

    2—38

    2—86

    2—86

    38—119

    119—

    —36—

    —-

    —-

    —-

    —-
    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

    15

    —

    —

    1973

    —

    18

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 2 centimeters (0.0 to 0.8 inches); slightly decomposed plant material; fragments; abrupt wavy boundary.; observed in trench
    A1—2 to 10 centimeters (0.8 to 3.9 inches); black (10YR 2/1) broken face gravelly ashy sandy loam; 10 percent clay; weak thin platy structure; loose, very friable, nonsticky, nonplastic; many very fine roots throughout and many fine roots throughout; many very fine irregular and many fine irregular pores; 2 percent by volume nonflat subangular indurated 250-350-600 millimeter basalt fragments observed by visual inspection method and 5 percent by volume nonflat subangular indurated 75-125-250 millimeter basalt fragments observed by visual inspection method and 15 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; clear wavy boundary.; observed in trench
    A2—10 to 23 centimeters (3.9 to 9.1 inches); very dark brown (10YR 2/2) broken face gravelly ashy sandy loam; 13 percent clay; weak medium platy parts to weak medium subangular blocky structure; soft, friable, nonsticky, nonplastic; many very fine roots throughout and common very coarse roots throughout and many medium roots throughout; common very fine irregular and common fine irregular pores; 2 percent by volume nonflat subangular indurated 250-350-600 millimeter basalt fragments observed by visual inspection method and 5 percent by volume nonflat subangular indurated 75-125-250 millimeter basalt fragments observed by visual inspection method and 15 percent by volume nonflat subangular indurated 2-35-75 millimeter basalt fragments observed by visual inspection method; moderately acid, pH 6.0, pH indicator solutions; clear wavy boundary. Lab sample # 20N00113; observed in trench
    A3—23 to 38 centimeters (9.1 to 15.0 inches); dark brown (10YR 3/3) broken face gravelly ashy sandy loam; 12 percent clay; moderate medium subangular blocky structure; loose, very friable, nonsticky, nonplastic; many very fine roots throughout and common very coarse roots throughout and many medium roots throughout; few fine irregular pores; 2 percent by volume nonflat subangular indurated 250-350-600 millimeter basalt fragments observed by visual inspection method and 5 percent by volume nonflat subangular indurated 75-125-250 millimeter basalt fragments observed by visual inspection method and 15 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; gradual wavy boundary.; observed in trench
    Bt1—38 to 56 centimeters (15.0 to 22.0 inches); dark yellowish brown (10YR 3/4) broken face very cobbly ashy sandy loam; 14 percent clay; weak fine subangular blocky structure; soft, friable, slightly sticky, nonplastic; common very fine roots throughout and common medium roots throughout; common very fine irregular and common fine irregular pores; 2 percent by volume nonflat subangular indurated 250-350-600 millimeter basalt fragments observed by visual inspection method and 15 percent by volume nonflat subangular indurated 2-35-75 millimeter basalt fragments observed by visual inspection method and 30 percent by volume nonflat subangular indurated 75-125-250 millimeter basalt fragments observed by visual inspection method; moderately acid, pH 5.8, pH indicator solutions; clear wavy boundary. Lab sample # 20N00114; observed in trench
    2Bt2—56 to 86 centimeters (22.0 to 33.9 inches); dark brown (10YR 3/3) broken face very gravelly ashy sandy loam; 16 percent clay; moderate medium subangular blocky structure; soft, friable, slightly sticky, nonplastic; few very fine roots throughout and few fine roots throughout; few very fine irregular and few fine irregular pores; 5 percent faint clay films on bottom of rock fragments; 10 percent by volume nonflat subangular indurated 75-125-250 millimeter basalt fragments observed by visual inspection method and 30 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; gradual wavy boundary. Lab sample # 20N00115; observed in trench
    2Bt3—86 to 119 centimeters (33.9 to 46.9 inches); dark brown (10YR 3/3) broken face very gravelly sandy clay loam; 27 percent clay; strong medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; few medium roots throughout and few fine roots throughout; few very fine irregular pores; 5 percent faint clay films on all faces of peds; 10 percent by volume nonflat subangular indurated 75-125-250 millimeter basalt fragments observed by visual inspection method and 50 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; abrupt wavy boundary.; observed in trench
    3R—119 to 129 centimeters (46.9 to 50.8 inches); bedrock; massive; fragments.; observed in trench