IDENTIFIERS

  • Current Taxon Name (Soil Name): Umpcoos
  • OSD
  • Series Extent
  • User Site ID: 00-MHF-01
  • User Pedon ID: S2000OR003020
  • Vegetation Plot ID: 00-MHF-01
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 01N0325
  • NCSS Pedon Lab Data NASIS Record ID - 14558
  • Print Date: 11/21/2024
  • 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: 44.3698006
  • Std. Longitude: -123.6989746
  • Datum: WGS84
  • Township: 14S
  • Range: 8W
  • Section: 7
  • PLSS Details: 1980 feet south and 990 feet west of northeast corner
  • Location Description: Near Digger Mountain Oregon
  • Map Unit: 57—Digger-Umpcoos-Remote complex, 60 to 90 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-C6—Digger Mountain, Oregon
  • PEDON

  • Describers Name: Matthew H. Fillmore, Kelley D. Paup-Lefferts
  • Current Taxonomic Class: Loamy-skeletal, isotic, mesic Lithic Dystrudepts
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 20
  • Correlated Information:
  • Soil Name - Umpcoos
  • Classificaton Date - 6/6/2003
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Umpcoos
  • Classificaton Date - 8/3/2000
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: colluvium derived from sandstone
  • Landscape: mountains
  • Hill Slope Profile: backslope
  • Slope Complexity: complex
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: very strongly coherent slight weathered sandstone, unspecified at 48cm with 10 to <45
  • Geology: Tyee formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/3/2000 (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

    ACMA3

    COCO6

    GASH

    HODI

    MANE2

    POMU

    PSME

    PTAQ

    ROGY

    RUPA

    VAPA

    VICIA

    VISE3

    Acer macrophyllum

    Corylus cornuta

    Gaultheria shallon

    Holodiscus discolor

    Mahonia nervosa

    Polystichum munitum

    Pseudotsuga menziesii

    Pteridium aquilinum

    Rosa gymnocarpa

    Rubus parviflorus

    Vaccinium parvifolium

    Vicia

    Viola sempervirens

    bigleaf maple

    beaked hazelnut

    salal

    oceanspray

    Cascade barberry

    western swordfern

    Douglas-fir

    western brackenfern

    dwarf rose

    thimbleberry

    red huckleberry

    vetch

    evergreen violet

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

    bedrock, lithic

    very strongly coherent

    48 - 73

    - 25 -

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

    ochric epipedon

    cambic horizon

    3—10

    10—48

    —7—

    —38—

    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

    65

    305

    268

    2032

    165

    9.4

    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments; abrupt smooth boundary.; moist when described; observed in cut
    A—3 to 10 centimeters (1.2 to 3.9 inches); very dark grayish brown (10YR 3/2), brown (10YR 5/3), dry; very gravelly loam; 20 percent clay; moderate fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 10.0 very fine roots throughout and 0.5 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; 1 percent by volume nonflat subangular weakly coherent cemented 75-175-250 millimeter sandstone, unspecified fragments and 2 percent by volume nonflat subangular very strongly coherent cemented 75-175-250 millimeter sandstone, unspecified fragments and 4 percent by volume nonflat subangular very weakly coherent cemented 2-73-75 millimeter sandstone, unspecified fragments and 40 percent by volume nonflat subangular very strongly coherent cemented 2-3-5 millimeter sandstone, unspecified fragments; clear smooth boundary. Lab sample # 01N01996; moist when described; observed in cut
    Bw1—10 to 38 centimeters (3.9 to 15.0 inches); brown (10YR 4/3), yellowish brown (10YR 5/4), dry; extremely cobbly loam; 22 percent clay; moderate fine subangular blocky, and moderate very fine subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 10.0 very fine roots throughout and 3.0 medium roots throughout and 10.0 fine roots throughout and 3.0 coarse roots throughout; 5 percent by volume nonflat subangular weakly coherent cemented 75-175-250 millimeter sandstone, unspecified fragments and 15 percent by volume nonflat subangular very weakly coherent cemented 2-73-75 millimeter sandstone, unspecified fragments and 25 percent by volume nonflat subangular very strongly coherent cemented 75-175-250 millimeter sandstone, unspecified fragments and 30 percent by volume nonflat subangular very strongly coherent cemented 2-73-75 millimeter sandstone, unspecified fragments; clear wavy boundary. Lab sample # 01N01997; moist when described; observed in cut
    Bw2—38 to 48 centimeters (15.0 to 18.9 inches); brown (10YR 4/3), yellowish brown (10YR 5/4), dry; extremely cobbly loam; 25 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots throughout and 0.5 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 10 percent by volume nonflat subangular weakly coherent cemented 75-175-250 millimeter sandstone, unspecified fragments and 15 percent by volume nonflat subangular very weakly coherent cemented 2-73-75 millimeter sandstone, unspecified fragments and 15 percent by volume nonflat subangular very strongly coherent cemented 2-73-75 millimeter sandstone, unspecified fragments and 40 percent by volume nonflat subangular very strongly coherent cemented 75-175-250 millimeter sandstone, unspecified fragments; abrupt wavy boundary. Lab sample # 01N01998; moist when described; observed in cut
    R—48 to 73 centimeters (18.9 to 28.7 inches); bedrock; fragments.; moist when described; observed in cut