IDENTIFIERS

  • Current Taxon Name (Soil Name): Bly
  • OSD
  • Series Extent
  • User Site ID: 97OR035014
  • User Pedon ID: 97OR0353041
  • Vegetation Plot ID: 97OR035014
  • User Site Association ID: OR683 point data
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 98P0068
  • NCSS Pedon Lab Data NASIS Record ID - 10341
  • Print Date: 12/6/2025

    • 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: 42.4264111
  • Std. Longitude: -121.8281167
  • Datum: WGS84
  • Township: 36 south
  • Range: 7 east
  • Section: 25
  • PLSS Details: about 700 feet south and 2585 feet east of the northwest corner
  • Country: US—United States
  • State: Oregon
  • County: OR035—Klamath
  • MLRA: 21—Klamath and Shasta Valleys and Basins
  • Non-MLRA Soil Survey Area: OR683—Winema National Forest Area, Oregon
  • 7.5 Minute USGS Quad: 42121-D7—Modoc Point, Oregon

    • PEDON

  • Describers Name: soil survey staff
  • Current Taxonomic Class: Fine-loamy, isotic, frigid Vitrandic Haploxeralfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Bly
  • PSC - 47 to 97 cm.
  • Classificaton Date - 3/7/2013
  • Classifier - Gebauer, Chris
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Bly
  • Taxonomic Class - Fine-loamy, mixed, superactive, frigid Andic Haploxeralfs
  • Taxon Kind - taxadjunct
  • Classificaton Date - 9/7/1997
  • Classifier - soil survey staff
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - xeric
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash and/or loess over colluvium derived from basalt over residuum weathered from basalt
  • Landscape: lava plateau
  • Landform: hillslope on lava flow
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: summit
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Bedrock: moderately coherent basalt at 130cm; indurated basalt at 140cm
  • Geology: ;
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

  • Other Vegetative Class: CWS313 - Abies concolor-Pinus ponderosa/Symphoricarpos albus/Pseudostellaria jamesiana—Plant Assoc. of Fremont National Forest (R6 E 79-004); CPC731 - Pinus ponderosa-Calocedrus decurrens/Symphoricarpos albus—Forested Plant Associations of the Oregon East Cascades

    • SITE OBSERVATION

  • Observation Date: 9/7/1997 (actual site observation date)
  • 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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ABCO

    ARHOR

    BRCA5

    CARO5

    CEPR

    CEVE

    COPA3

    FRVI

    MOPE6

    MURI

    PHHA

    PIPO

    POWH2

    PRVI

    PTAN2

    RICE

    SASC

    STOC2

    Abies concolor

    Arabis holboellii var. retrofracta

    Bromus carinatus

    Carex rossii

    Ceanothus prostratus

    Ceanothus velutinus

    Collinsia parviflora

    Fragaria virginiana

    Morella pensylvanica

    Muhlenbergia richardsonis

    Phacelia hastata

    Pinus ponderosa

    Poa wheeleri

    Prunus virginiana

    Pterospora andromedea

    Ribes cereum

    Salix scouleriana

    Stipa occidentalis

    white fir

    second rockcress

    California brome

    Ross' sedge

    prostrate ceanothus

    snowbrush ceanothus

    maiden blue eyed Mary

    Virginia strawberry

    northern bayberry

    mat muhly

    silverleaf phacelia

    ponderosa pine

    Wheeler's bluegrass

    chokecherry

    woodland pinedrops

    wax currant

    Scouler's willow

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

    bedrock, paralithic

    bedrock, lithic

    moderately coherent

    indurated

    130 - 140

    140 -

    - 10 -

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

    ochric epipedon

    volcanic glass

    argillic horizon

    paralithic contact

    lithic contact

    0—47

    3—21

    47—90

    130—140

    140—

    —47—

    —18—

    —43—

    —10—

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    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

    1

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    1721.7

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    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A—3 to 8 centimeters (1.2 to 3.1 inches); dark grayish brown (10YR 4/2) broken face, very dark grayish brown (10YR 3/2) broken face, moist; ashy loam; 49 percent sand; 10 percent clay; weak fine granular structure; very friable, nonsticky, nonplastic; 8.0 very fine roots and 0.8 fine roots; 8.0 very fine irregular pores; 2 percent by volume nonflat subangular very strongly coherent cemented 2-35-75 millimeter basalt fragments; slightly acid, pH 6.5, pH meter; abrupt wavy boundary.
    AB—5 to 21 centimeters (2.0 to 8.3 inches); yellowish brown (10YR 5/4) broken face, dark brown (7.5YR 3/3) broken face, moist; ashy loam; 50 percent sand; 11 percent clay; weak fine subangular blocky structure; very friable, nonsticky, nonplastic; few (8.0) very fine roots and 3.0 medium roots and 3.0 fine roots; 8.0 very fine tubular and 8.0 fine irregular pores; 12 percent by volume nonflat subangular very strongly coherent cemented 2-35-75 millimeter basalt fragments; slightly acid, pH 6.5, pH meter; clear wavy boundary.
    2BA—21 to 47 centimeters (8.3 to 18.5 inches); yellowish brown (10YR 5/4) broken face, dark brown (7.5YR 3/4) broken face, moist; ashy cobbly loam; 50 percent sand; 16 percent clay; moderate medium subangular blocky structure; friable, slightly sticky, slightly plastic; 3.0 medium roots and 0.8 fine roots and 0.3 coarse roots; 0.8 fine irregular pores; 6 percent by volume nonflat subrounded very strongly coherent cemented 2-35-75 millimeter basalt fragments and 10 percent by volume nonflat subangular very strongly coherent cemented 75-150-250 millimeter basalt fragments; slightly acid, pH 6.5, pH meter; clear wavy boundary.
    2Bt1—47 to 58 centimeters (18.5 to 22.8 inches); dark yellowish brown (10YR 4/6) broken face, brown (7.5YR 4/4) broken face, moist; gravelly clay loam; 40 percent sand; 28 percent clay; strong medium subangular blocky structure; firm, slightly sticky, moderately plastic; 0.8 medium roots and 0.8 fine roots; 0.8 fine irregular pores; 5 percent faint clay films on all faces of peds; 20 percent by volume nonflat subangular very strongly coherent cemented 2-35-75 millimeter basalt fragments; slightly acid, pH 6.5, pH meter; abrupt wavy boundary.
    2Bt2—58 to 90 centimeters (22.8 to 35.4 inches); yellowish brown (10YR 5/4) broken face, brown (7.5YR 4/4) broken face, moist; gravelly loam; 50 percent sand; 20 percent clay; structureless massive; very firm, nonsticky, nonplastic; 0.8 medium roots; 0.8 very fine irregular pores; 5 percent faint clay films on all faces of peds; 20 percent by volume nonflat subangular very strongly coherent cemented 2-35-75 millimeter basalt fragments; slightly acid, pH 6.5, pH meter; clear wavy boundary.
    2Bt3—90 to 130 centimeters (35.4 to 51.2 inches); dark yellowish brown (10YR 4/4) broken face, dark brown (7.5YR 3/4) broken face, moist; gravelly loam; 50 percent sand; 17 percent clay; moderate medium subangular blocky structure; firm, nonsticky, nonplastic; 3.0 medium roots and 0.8 fine roots; 5 percent faint clay films on all faces of peds; 3 percent by volume nonflat subangular very strongly coherent cemented 75-150-250 millimeter basalt fragments and 30 percent by volume nonflat subrounded very strongly coherent cemented 2-35-75 millimeter basalt fragments; slightly acid, pH 6.5, pH meter; clear wavy boundary.
    2Cr—130 to 140 centimeters (51.2 to 55.1 inches); bedrock; fragments.
    2R—140 to 200 centimeters (55.1 to 78.7 inches); bedrock; fragments.