IDENTIFIERS

  • Current Taxon Name (Soil Name): MacDunn
  • OSD
  • Series Extent
  • User Site ID: S1999OR003005
  • User Pedon ID: S1999OR003005
  • Vegetation Plot ID: S1999OR003005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 00P0498
  • NCSS Pedon Lab Data NASIS Record ID - 12003
  • Print Date: 12/17/2024

    • 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: 44.6866684
  • Std. Longitude: -123.2900009
  • Datum: WGS84
  • Township: 10S
  • Range: 5W
  • Section: 22
  • PLSS Details: NW1/4 NW1/4 NW1/4 NE1/4 SW1/4
  • State: Oregon
  • County: OR003—Benton
  • MLRA: 2—Willamette and Puget Sound Valleys
  • Non-MLRA Soil Survey Area: OR003—Benton County, Oregon
  • 7.5 Minute USGS Quad: 44123-F3—Airlie South, Oregon

    • PEDON

  • Describers Name: Matthew Fillmore
  • Current Taxonomic Class: Loamy-skeletal, mixed, superactive, mesic Typic Haploxerepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - MacDunn
  • Classificaton Date - 1/27/2010
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - MacDunn
  • Taxonomic Class - Clayey-skeletal, mixed, superactive, mesic Dystric
  • Taxon Kind - series
  • Classificaton Date - 12/8/1999
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: foothills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: lower third
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: h moderate weathered basalt with 10 to <45
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/8/1999 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • 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

    ABGR

    ACMA3

    COCO6

    PSME

    QUGA4

    SYAL

    TODI

    Abies grandis

    Acer macrophyllum

    Corylus cornuta

    Pseudotsuga menziesii

    Quercus garryana

    Symphoricarpos albus

    Toxicodendron diversilobum

    grand fir

    bigleaf maple

    beaked hazelnut

    Douglas-fir

    Oregon white oak

    common snowberry

    Pacific poison oak

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

    ochric epipedon

    cambic horizon

    paralithic contact

    3—28

    28—130

    130—0

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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

    52

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    381

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    200

    140

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    Oi—0 to 3 centimeters (0.0 to 1.2 inches); rapid permeability; fragments; noneffervescent; abrupt smooth boundary.; moist when described;. Litter Layer
    A—3 to 13 centimeters (1.2 to 5.1 inches); dark brown (7.5YR 3/3) exterior, brown (7.5YR 4/4) exterior, dry; gravelly silty clay loam; moderate very fine and fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 3.0 very fine roots throughout and 1.0 medium and coarse roots between peds and 2.0 fine roots throughout; 3.0 very fine and fine moderate-continuity tubular and 1.0 medium and coarse low-continuity tubular pores; 10 percent by volume angular 75-162-250 millimeter basalt fragments and 15 percent by volume angular 2-39-75 millimeter basalt fragments; noneffervescent; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 00P03117; moist when described;
    BA—13 to 28 centimeters (5.1 to 11.0 inches); dark brown (7.5YR 3/3) exterior, brown (7.5YR 4/4) exterior, dry; gravelly silty clay loam; moderate fine and medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; moderate permeability; 1.0 very fine roots throughout and 2.0 fine and medium roots throughout; 3.0 very fine and fine moderate-continuity tubular and 1.0 medium and coarse low-continuity tubular pores; 10 percent by volume angular 75-162-250 millimeter basalt fragments and 20 percent by volume angular 2-39-75 millimeter basalt fragments; noneffervescent; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # 00P03118; moist when described;
    Bw1—28 to 56 centimeters (11.0 to 22.0 inches); dark brown (7.5YR 3/4) exterior, brown (7.5YR 4/4) exterior, dry; very cobbly silty clay; moderate fine and medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; moderately slow permeability; 1.0 very fine roots throughout and 2.0 fine and medium roots throughout; 2.0 very fine and fine moderate-continuity tubular and 1.0 medium and coarse low-continuity tubular pores; 20 percent by volume angular 2-39-75 millimeter basalt fragments and 30 percent by volume angular 75-162-250 millimeter basalt fragments; noneffervescent; strongly acid, pH 5.4, hellige-truog; gradual wavy boundary. Lab sample # 00P03119; moist when described;
    Bw2—56 to 97 centimeters (22.0 to 38.2 inches); dark brown (7.5YR 3/4) exterior, brown (7.5YR 4/4) exterior, dry; extremely cobbly silty clay; moderate fine and medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; moderately slow permeability; 2.0 fine and medium roots throughout and 1.0 coarse roots between peds; 2.0 very fine and fine moderate-continuity tubular and 1.0 medium and coarse low-continuity tubular pores; 25 percent by volume angular 2-39-75 millimeter basalt fragments and 40 percent by volume angular 75-162-250 millimeter basalt fragments; noneffervescent; strongly acid, pH 5.2, hellige-truog; gradual wavy boundary. Lab sample # 00P03120; moist when described;
    Bw3—97 to 130 centimeters (38.2 to 51.2 inches); dark brown (7.5YR 3/4) exterior, brown (7.5YR 4/4) exterior, dry; extremely cobbly clay loam; moderate fine subangular blocky structure; hard, firm, moderately sticky, moderately plastic; moderately slow permeability; 1.0 fine to coarse roots between peds; 1.0 very fine to coarse low-continuity tubular pores; 20 percent by volume angular 2-39-75 millimeter basalt fragments and 55 percent by volume angular 75-162-250 millimeter basalt fragments; noneffervescent; strongly acid, pH 5.2, hellige-truog; abrupt wavy boundary. Lab sample # 00P03121; moist when described;
    2Crt—130 centimeters (51.2 inches); massive; slightly hard, very firm, moderately coherent by silica, slightly sticky, slightly plastic; 20 percent distinct clay films on all faces of peds; fragments; noneffervescent.; moist when described;. weathered basalt, moderately cemented; moderately weathered basalt w/clay films some rock fragments and along some fractures in bedrock.; discontinuous - phpvsfiid 202036; discontinuous - phpvsfiid 202036