IDENTIFIERS

  • Current Taxon Name (Soil Name): Melby
  • OSD
  • Series Extent
  • User Site ID: 10-EPA-020
  • User Pedon ID: S10OR071020
  • Vegetation Plot ID: 10-EPA-020
  • Lab Information:
  • Certified Lab Pedon Description - no
  • 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: 45.3113899
  • Std. Longitude: -123.3246078
  • Datum: WGS84
  • Township: 3S
  • Range: 6W
  • Section: 24
  • State: Oregon
  • County: OR071—Yamhill
  • MLRA: 1—Northern Pacific Coast Range, Foothills, and Valleys
  • Regional Office: 1—Portland, OR
  • MLRA Soil Survey Area: NW-SAL—Salem, Oregon
  • Non-MLRA Soil Survey Area: OR071—Yamhill County, Oregon
  • 7.5 Minute USGS Quad: 45123-C3—Fairdale, Oregon

    • PEDON

  • Describers Name: J. S. Kern
  • Current Taxonomic Class: Loamy-skeletal, mixed, active, mesic Typic Hapludalfs
  • Current Taxon Kind: family
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Sampled As Information:
  • Soil Name - Melby
  • Taxonomic Class - Loamy-skeletal, mixed, active, mesic Typic Hapludalfs
  • PSC - 31 to 77 cm.
  • Classificaton Date - 11/20/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: mountains
  • Landform: mountain
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: footslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: diabase at 108cm
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/20/2009 (actual site observation date)
  • Surface Water Kind: none observed
  • 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 - rain
  • Current Air Temp - 40
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ALRU2

    GASH

    MANE2

    POMU

    PSME

    ROGY

    Alnus rubra

    Gaultheria shallon

    Mahonia nervosa

    Polystichum munitum

    Pseudotsuga menziesii

    Rosa gymnocarpa

    red alder

    salal

    Cascade barberry

    western swordfern

    Douglas-fir

    dwarf rose

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

    ochric epipedon

    argillic horizon

    lithic contact

    0—31

    31—77

    108—

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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

    40

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    274

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    70

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    Ac—0 to 15 centimeters (0.0 to 5.9 inches); dark brown (7.5YR 3/2), brown (7.5YR 5/2), dry; gravelly loam; moderate fine granular, and moderate medium granular structure; very friable, nonsticky, nonplastic; 5.0 very fine roots and 5.0 fine roots; 15 percent medium iron-manganese nodules; 15 percent by volume 2-?-76 millimeter diabase fragments; clear smooth boundary.; wet when described; observed in pit, small
    BA—15 to 31 centimeters (5.9 to 12.2 inches); dark brown (7.5YR 3/3), light brown (7.5YR 6/3), dry; gravelly sandy loam; moderate fine granular, and moderate medium granular structure; very friable, nonsticky, nonplastic; 5.0 very fine roots and 3.0 medium roots and 5.0 fine roots; 15 percent medium iron-manganese nodules; 2 percent by volume 2-?-76 millimeter unspecified fragments and 18 percent by volume 2-?-76 millimeter diabase fragments; clear smooth boundary.; wet when described; observed in pit, small
    Bt1—31 to 56 centimeters (12.2 to 22.0 inches); brown (7.5YR 5/4), light brown (7.5YR 6/4), dry; very gravelly sandy clay loam; weak fine subangular blocky, and weak medium subangular blocky structure; friable, slightly sticky, slightly plastic; 5.0 medium roots and 5.0 fine roots; 35 percent distinct clay films; 35 percent by volume 2-?-76 millimeter unspecified fragments; clear smooth boundary.; wet when described; observed in pit, small
    Bt2—56 to 77 centimeters (22.0 to 30.3 inches); dark brown (7.5YR 3/4), light brown (7.5YR 6/4), dry; gravelly sandy loam; weak fine granular, and weak medium granular structure; friable, nonsticky, nonplastic; 5.0 medium roots and 1.0 coarse roots; 35 percent distinct clay films; 25 percent by volume 2-?-76 millimeter unspecified fragments; clear smooth boundary.; wet when described; observed in pit, small
    C—77 to 108 centimeters (30.3 to 42.5 inches); dark brown (7.5YR 3/4), light brown (7.5YR 6/4), dry; extremely bouldery silty clay loam; massive; friable, slightly sticky, slightly plastic; 3.0 medium roots and 1.0 fine roots; 2 percent by volume 2-?-76 millimeter unspecified fragments and 20 percent by volume 250-?-600 millimeter unspecified fragments and 30 percent by volume 600-?-1200 millimeter unspecified fragments; clear smooth boundary.; wet when described; observed in pit, small
    R—108 centimeters (42.5 inches); fragments.; wet when described; observed in pit, small