IDENTIFIERS

  • Current Taxon Name (Soil Name): Lurnick
  • OSD
  • Series Extent
  • User Site ID: 00-MHF-07
  • User Pedon ID: S2000OR003009
  • Vegetation Plot ID: 00-MHF-07
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 01N0314
  • NCSS Pedon Lab Data NASIS Record ID - 14547
  • Print Date: 2/17/2025

    • 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: 44.4295235
  • Std. Longitude: -123.6734161
  • Datum: WGS84
  • Township: 13S
  • Range: 8W
  • Section: 22
  • PLSS Details: 1400 feet south and 1380 feet east of the northwest corner
  • Location Description: Benton Co, Oregon.
  • Map Unit: 108—Lurnick-Luckiamute-Maryspeak complex, 30 to 60 percent slopes
  • State: Oregon
  • County: OR003—Benton
  • MLRA: 1—Northern Pacific Coast Range, Foothills, and Valleys
  • Non-MLRA Soil Survey Area: OR003—Benton County, Oregon
  • 7.5 Minute USGS Quad: 44123-D6—Grass Mountain, Oregon

    • PEDON

  • Describers Name: Matthew H. Fillmore, Kelley D. Paup-Lefferts
  • Current Taxonomic Class: Loamy-skeletal, isotic Andic Dystrocryepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 9
  • Correlated Information:
  • Soil Name - Lurnick
  • PSC - 25 to 91 cm.
  • Classificaton Date - 6/15/2007
  • Sampled As Information:
  • Soil Name - Lurnick-like
  • Classificaton Date - 8/9/2000
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from sandstone and siltstone
  • Landscape: mountains
  • Landform: mountain
  • Geomorphic Component Mountains: mountaintop
  • Hill Slope Profile: footslope
  • Slope Complexity: complex
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: very strongly coherent slight weathered sandstone and siltstone at 91cm with 10 to <45
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/9/2000 (actual site observation date)
  • 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

    ABPR

    COMA4

    GOOB2

    MANE2

    MAST4

    OXOR

    POMU

    PSME

    PYPI2

    ROGY

    TROV2

    VASC

    VISE3

    Abies procera

    Corallorrhiza maculata

    Goodyera oblongifolia

    Mahonia nervosa

    Maianthemum stellatum

    Oxalis oregana

    Polystichum munitum

    Pseudotsuga menziesii

    Pyrola picta

    Rosa gymnocarpa

    Trillium ovatum

    Vaccinium scoparium

    Viola sempervirens

    noble fir

    summer coralroot

    western rattlesnake plantain

    Cascade barberry

    starry false lily of the valley

    redwood-sorrel

    western swordfern

    Douglas-fir

    whiteveined wintergreen

    dwarf rose

    Pacific trillium

    grouse whortleberry

    evergreen violet

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

    bedrock, paralithic

    bedrock, lithic

    moderately coherent

    very strongly coherent

    91 - 102

    102 - 112

    - 11 -

    - 10 -

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

    ochric epipedon

    andic soil properties

    cambic horizon

    paralithic contact

    lithic contact

    3—20

    3—20

    20—76

    91—102

    102—112

    —12—

    —-

    —59—

    —11—

    —10—
    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

    20

    —

    —

    994

    —

    282

    3429

    —

    80

    6.3

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    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments; abrupt wavy boundary.; moist when described; observed in cut
    A—3 to 20 centimeters (1.2 to 7.9 inches); dark brown (7.5YR 3/3), brown (7.5YR 5/4), dry; very cobbly medial loam; 22 percent clay; weak fine granular structure; slightly hard, very friable, slightly sticky, slightly plastic; strongly smeary; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 very fine irregular and 10.0 fine irregular pores; 4 percent by volume nonflat subangular strongly coherent cemented 250-?-600 millimeter sandstone, unspecified fragments and 10 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 25 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.8; clear wavy boundary. Lab sample # 01N01946; moist when described; observed in cut
    Bw1—20 to 56 centimeters (7.9 to 22.0 inches); dark brown (7.5YR 3/4), strong brown (7.5YR 5/6), dry; very cobbly loam; 18 percent clay; weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; moderately smeary; 4.0 very fine roots throughout and 4.0 medium roots throughout and 4.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 very fine irregular and 10.0 fine irregular pores; 4 percent by volume nonflat subangular strongly coherent cemented 250-?-600 millimeter sandstone, unspecified fragments and 15 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 30 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments; strongly acid, pH 5.1; clear wavy boundary. Lab sample # 01N01947; moist when described; observed in cut
    Bw2—56 to 74 centimeters (22.0 to 29.1 inches); brown (7.5YR 4/4), strong brown (7.5YR 5/6), dry; extremely cobbly sandy loam; 15 percent clay; weak fine subangular blocky structure; soft, loose, nonsticky, nonplastic; moderately smeary; 4.0 very fine roots throughout and 4.0 medium roots throughout and 4.0 fine roots throughout and 4.0 coarse roots throughout; 4.0 fine irregular pores; 10 percent by volume nonflat subangular strongly coherent cemented 250-?-600 millimeter sandstone, unspecified fragments and 15 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 45 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments; strongly acid, pH 5.3; gradual wavy boundary. Lab sample # 01N01948; moist when described; observed in cut
    BC—74 to 91 centimeters (29.1 to 35.8 inches); dark yellowish brown (10YR 4/6), reddish yellow (7.5YR 6/6), dry; extremely cobbly sandy loam; 15 percent clay; weak fine subangular blocky structure; soft, loose, nonsticky, nonplastic; weakly smeary; 0.5 very fine roots throughout and 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 4.0 fine irregular pores; 10 percent by volume nonflat subangular strongly coherent cemented 250-?-600 millimeter sandstone, unspecified fragments and 20 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 50 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments; strongly acid, pH 5.5; abrupt wavy boundary.; moist when described; observed in cut
    Cr—91 to 102 centimeters (35.8 to 40.2 inches); bedrock; fragments; abrupt wavy boundary.; moist when described; observed in cut
    R—102 to 112 centimeters (40.2 to 44.1 inches); bedrock; fragments.; moist when described; observed in cut