IDENTIFIERS

  • Current Taxon Name (Soil Name): Ritner
  • OSD
  • Series Extent
  • Local Phase: stony
  • User Site ID: 02-DRJ-09
  • User Pedon ID: 02OR071006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - S02OR071-006
  • Print Date: 12/5/2025

    • 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: 45.3978577
  • Std. Longitude: -123.0737000
  • Datum: WGS84
  • Township: 2S
  • Range: 3W
  • Section: 16
  • PLSS Details: southwest 1/4 of the southwest 1/4 of the northwest 1/4
  • State: Oregon
  • County: OR071—Yamhill
  • MLRA: 2—Willamette and Puget Sound Valleys
  • MLRA Soil Survey Area: NW-SAL—Salem, Oregon
  • 7.5 Minute USGS Quad: 45123-D1—Laurelwood, Oregon

    • PEDON

  • Describers Name: David R. Johnson
  • Current Taxonomic Class: Clayey-skeletal, mixed, superactive, mesic Humic Haploxerepts
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Ritner
  • PSC - 28 to 76 cm.
  • Classificaton Date - 4/10/2012
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Ritner
  • Classificaton Date - 6/5/2002
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: gravelly colluvium derived from basalt
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: nose slope
  • Hill Slope Profile: backslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: indurated slight weathered basalt
  • Geology: Unknown member of the Columbia River Basalt Group group.
  • Surface Fragments: 0.10 percent nonflat subrounded indurated 250- to 600-millimeter basalt,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/5/2002 (actual site observation date)
  • Data Collector: David Johnson
  • 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
  • Current Air Temp - 21
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    indurated

    76 - 86

    - 10 -

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

    umbric epipedon

    cambic horizon

    lithic contact

    3—28

    28—76

    76—86

    —25—

    —58—

    —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

    16

    —

    —

    223

    —

    180

    1118

    —

    179

    12

    19

    4

    —

    —

    —

    —

    —

    OR2997

    FOREST GROVE

    WETS
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments; abrupt smooth boundary.; observed in pit, small
    A1—3 to 11 centimeters (1.2 to 4.3 inches); brown (7.5YR 4/3) broken face, dark brown (7.5YR 3/2) broken face, moist; gravelly silt loam; 23 percent sand; 60 percent silt; 17 percent clay; strong fine granular structure; moderately hard, very friable, slightly sticky, slightly plastic; 5.0 very fine roots throughout and 2.0 very coarse roots throughout and 3.0 medium roots throughout and 2.0 fine roots throughout and 2.0 coarse roots throughout; 2 percent medium spherical iron-manganese concretions throughout; 5 percent by volume nonflat subangular indurated 75-163-250 millimeter basalt fragments and 25 percent by volume nonflat subangular indurated 2-39-75 millimeter basalt fragments; abrupt smooth boundary.; observed in pit, small
    A2—11 to 28 centimeters (4.3 to 11.0 inches); brown (7.5YR 4/4) broken face, dark brown (7.5YR 3/2) broken face, moist; cobbly silt loam; 18 percent sand; 63 percent silt; 19 percent clay; strong fine subangular blocky structure; moderately hard, friable, slightly sticky, slightly plastic; 5.0 very fine roots throughout and 2.0 very coarse roots throughout and 3.0 medium roots throughout and 2.0 fine roots throughout and 2.0 coarse roots throughout; 1 percent medium spherical iron-manganese concretions throughout; 10 percent by volume nonflat subangular indurated 75-163-250 millimeter basalt fragments and 15 percent by volume nonflat subangular indurated 2-39-75 millimeter basalt fragments; clear wavy boundary.; observed in pit, small
    Bw—28 to 76 centimeters (11.0 to 29.9 inches); reddish brown (5YR 4/4) broken face, dark reddish brown (5YR 3/4) broken face, moist; extremely cobbly silty clay loam; 18 percent sand; 49 percent silt; 33 percent clay; moderate fine subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 3.0 very fine roots throughout and 1.0 very coarse roots throughout and 2.0 medium roots throughout and 1.0 fine roots throughout and 1.0 coarse roots throughout; 1 percent fine spherical iron-manganese concretions throughout; 15 percent by volume nonflat subangular indurated 250-400-600 millimeter basalt fragments and 20 percent by volume nonflat subangular indurated 75-163-250 millimeter basalt fragments and 30 percent by volume nonflat subangular indurated 2-39-75 millimeter basalt fragments; abrupt irregular boundary.; observed in pit, small
    R—76 to 86 centimeters (29.9 to 33.9 inches); unweathered bedrock; fragments.; observed in pit, small