IDENTIFIERS

  • Current Taxon Name (Soil Name): Hawkslake
  • OSD
  • Series Extent
  • User Site ID: 11OR035008
  • User Pedon ID: S2012OR035003
  • Vegetation Plot ID: 11OR035008
  • User Site Association ID: OR683 point data
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 12N8333
  • NCSS Pedon Lab Data NASIS Record ID - 55308
  • Print Date: 7/1/2025

    • 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: 42.5419444
  • Std. Longitude: -121.8236111
  • Datum: WGS84
  • Township: 35 S
  • Range: 7 E
  • Section: 13
  • PLSS Details: about 980 feet south and 1,390 feet west of the northeast corner of
  • Location Description: about 6.8 miles south and 1.0 mile east of the town of Chiloquin, OR
  • Map Unit: 1383—Hawkslake-Jummer-Rockyhole complex, 2 to 15 percent slopes
  • Country: US—United States
  • State: Oregon
  • County: OR035—Klamath
  • MLRA: 6—Cascade Mountains, Eastern Slope
  • Non-MLRA Soil Survey Area: OR683—Winema National Forest Area, Oregon
  • 7.5 Minute USGS Quad: 42121-E7—Chiloquin, Oregon

    • PEDON

  • Describers Name: Gebauer, Chris
  • Current Taxonomic Class: Ashy over loamy, glassy over isotic, frigid Alfic Vitrixerands
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Hawkslake (flagged as OSD)
  • PSC - 3 to 103 cm.
  • Classificaton Date - 12/18/2024
  • Classifier - Gebauer, Chris
  • Soil Taxonomic Edition - thirteenth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Sisters
  • Taxonomic Class - Ashy over loamy, glassy over isotic, frigid Humic Vitrixerands
  • Classificaton Date - 9/8/2011
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - xeric
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: coarse pumiceous volcanic ash and pumice parafragments or sandy eolian material derived from volcanic ash over colluvium or residuum weathered from interbedded diatomaceous siltstones and sandstones
  • Landscape: lava plateau
  • Landform: hill
  • Hill Slope Profile: footslope
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: well
  • Bedrock: moderately coherent slight weathered mudstone at 142cm with 10 to <45
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

  • Other Vegetative Class: CDS645 - Pseudotsuga menziesii/Ceanothus prostratus—Forested Plant Associations of the Oregon East Cascades; CWS116 - Abies concolor/Ceanothus velutinus-Ceanothus prostratus/Fragaria virginiana—Plant Assoc. of Klamath and S. Chiloquin RD's (R6 E 79-005)

    • SITE OBSERVATION

  • Observation Date: 9/8/2011 (actual site observation date)
  • Data Collector: Gebauer, Chris
  • Plant Association Name: PSME/CEPR
  • 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 - sunny
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ABCO

    ARPA6

    CEPR

    CEVE

    CHUM

    FEID

    FRVI

    LUPIN

    PIPO

    PONE2

    PSME

    PUTR2

    RONU

    SYMO

    Abies concolor

    Arctostaphylos patula

    Ceanothus prostratus

    Ceanothus velutinus

    Chimaphila umbellata

    Festuca idahoensis

    Fragaria virginiana

    Lupinus

    Pinus ponderosa

    Poa nervosa

    Pseudotsuga menziesii

    Purshia tridentata

    Rosa nutkana

    Symphoricarpos mollis

    white fir

    greenleaf manzanita

    prostrate ceanothus

    snowbrush ceanothus

    pipsissewa

    Idaho fescue

    Virginia strawberry

    lupine

    ponderosa pine

    Wheeler bluegrass

    Douglas-fir

    antelope bitterbrush

    Nootka rose

    creeping snowberry

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

    bedrock, paralithic

    moderately coherent

    142 - 200

    - 58 -

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

    ochric epipedon

    andic soil properties

    volcanic glass

    cambic horizon

    lithologic discontinuity

    argillic horizon

    paralithic contact

    paralithic materials

    3—12

    3—62

    3—63

    12—62

    62—

    62—105

    142—

    142—200

    —9—

    —59—

    —59—

    —50—

    —-

    —43—

    —-

    —58—
    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

    14

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    1441.5

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    45

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    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments; abrupt smooth boundary.
    A—3 to 12 centimeters (1.2 to 4.7 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; ashy coarse sandy loam; 66 percent sand; 6 percent clay; weak fine granular structure; soft, very friable, nonsticky, nonplastic; common very fine roots and common fine roots; common (2.0) fine dendritic tubular pores; 2 percent by volume nonflat subrounded moderately coherent cemented 2-4-5 millimeter pumice fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.1, chlorophenol red; clear smooth boundary. Lab sample # 12N05005
    AB—12 to 40 centimeters (4.7 to 15.7 inches); 70 percent pale brown (10YR 6/3) broken face and 30 percent brown (10YR 5/3) broken face, 70 percent brown (10YR 4/3) broken face and 30 percent dark brown (10YR 3/3) broken face, moist; ashy coarse sandy loam; 65 percent sand; 6 percent clay; weak medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; common very fine roots and few medium roots and common fine roots and few coarse roots; common (2.0) fine dendritic tubular pores; 5 percent by volume nonflat subrounded moderately coherent cemented 2-4-5 millimeter pumice fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.2, chlorophenol red; gradual smooth boundary. Lab sample # 12N05006
    Bw—40 to 62 centimeters (15.7 to 24.4 inches); pale brown (10YR 6/3), dark yellowish brown (10YR 3/4), moist; ashy coarse sandy loam; 61 percent sand; 10 percent clay; weak medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; few very fine roots and few very coarse roots and few medium roots and few fine roots and few coarse roots; few (0.5) fine dendritic tubular pores; 5 percent by volume nonflat subrounded moderately coherent cemented 2-4-5 millimeter pumice fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.2, chlorophenol red; clear wavy boundary. Lab sample # 12N05007
    2Bt—62 to 105 centimeters (24.4 to 41.3 inches); very pale brown (10YR 7/3), dark yellowish brown (10YR 4/4), moist; loam; 33 percent sand; 23 percent clay; moderate medium subangular blocky structure; moderately hard, friable, slightly sticky, nonplastic; few very fine roots and few medium roots and few fine roots and few coarse roots; common (2.0) fine irregular and few (0.5) fine dendritic tubular pores; 10 percent distinct dark yellowish brown (10YR 3/4), moist, clay films on rock fragments and 10 percent distinct dark yellowish brown (10YR 3/4), moist, clay films on surfaces along root channels and 10 percent distinct dark yellowish brown (10YR 3/4), moist, clay films on all faces of peds; 2 percent by volume nonflat subangular moderately coherent cemented 2-4-5 millimeter mudstone fragments and 2 percent by volume nonflat subangular indurated 75-160-250 millimeter andesite fragments and 5 percent by volume nonflat subangular indurated 2-40-75 millimeter andesite fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.4, chlorophenol red; clear wavy boundary. Lab sample # 12N05008. cobbles are concentrated towards the bottom of the horizon
    2C—105 to 142 centimeters (41.3 to 55.9 inches); white (10YR 8/1), dark yellowish brown (10YR 4/4), moist; very paragravelly silt loam; 15 percent sand; 18 percent clay; structureless massive; slightly hard, very friable, nonsticky, nonplastic; 45 percent by volume nonflat subangular moderately coherent cemented 2-40-75 millimeter mudstone fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.4, chlorophenol red; clear wavy boundary.
    2Cr—142 to 200 centimeters (55.9 to 78.7 inches); bedrock; moderately coherent; fragments.