IDENTIFIERS

  • Current Taxon Name (Soil Name): Maryspeak
  • OSD
  • Series Extent
  • User Site ID: 00-MHF-12
  • User Pedon ID: S2000OR003010
  • Vegetation Plot ID: 00-MHF-12
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 01N0315
  • NCSS Pedon Lab Data NASIS Record ID - 14548
  • Print Date: 12/8/2025

    • 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: 44.4320221
  • Std. Longitude: -123.6717529
  • Datum: WGS84
  • Township: 13S
  • Range: 8W
  • Section: 21
  • PLSS Details: 720 feet south and 2150 feet east of the northwest corner
  • Map Unit: 112—Maryspeak gravelly medial sandy loam, 5 to 30 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: Sandy-skeletal, isotic Andic Dystrocryepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 10
  • Correlated Information:
  • Soil Name - Maryspeak
  • PSC - 25 to 102 cm.
  • Classificaton Date - 6/6/2003
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Maryspeak
  • 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
  • Hill Slope Profile: summit
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • 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

    PSME

    RHMA3

    TSHE

    XETE

    Abies procera

    Pseudotsuga menziesii

    Rhododendron macrophyllum

    Tsuga heterophylla

    Xerophyllum tenax

    noble fir

    Douglas-fir

    Pacific rhododendron

    western hemlock

    common beargrass

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

    ochric epipedon

    andic soil properties

    cambic horizon

    3—20

    3—20

    30—84

    —17—

    —17—

    —54—
    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

    10

    —

    —

    1076

    —

    110

    3429

    —

    80

    6.3

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    Oi—0 to 2 centimeters (0.0 to 0.8 inches); slightly decomposed plant material; fragments; abrupt smooth boundary.; observed in cut
    Oe—2 to 3 centimeters (0.8 to 1.2 inches); moderately decomposed plant material; fragments; abrupt smooth boundary.; observed in cut
    A1—3 to 8 centimeters (1.2 to 3.1 inches); dark brown (7.5YR 3/2), brown (7.5YR 4/4), dry; gravelly medial sandy loam; 12 percent clay; weak very fine granular structure; soft, very friable, nonsticky, nonplastic; moderately smeary; 10.0 very fine roots throughout and 4.0 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 very fine tubular and 10.0 fine tubular pores; 1 percent by volume nonflat strongly coherent cemented gabbro fragments and 3 percent by volume nonflat strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 20 percent by volume nonflat strongly coherent cemented 2-?-5 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.5; clear smooth boundary. Lab sample # 01N01949; observed in cut
    A2—8 to 20 centimeters (3.1 to 7.9 inches); dark brown (7.5YR 3/3), brown (7.5YR 5/4), dry; gravelly medial sandy loam; 12 percent clay; weak very fine granular structure; soft, very friable, nonsticky, nonplastic; moderately smeary; 10.0 very fine roots throughout and 4.0 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 very fine tubular and 10.0 fine tubular pores; 1 percent by volume nonflat strongly coherent cemented gabbro fragments and 3 percent by volume nonflat strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 20 percent by volume nonflat strongly coherent cemented 2-?-5 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.6; clear smooth boundary. Lab sample # 01N01950; observed in cut
    BA—20 to 30 centimeters (7.9 to 11.8 inches); brown (10YR 4/3), yellowish brown (10YR 5/6), dry; very gravelly sandy loam; 10 percent clay; moderate fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; weakly smeary; 4.0 very fine roots throughout and 0.5 medium roots throughout and 4.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 very fine tubular and 10.0 fine tubular pores; 1 percent by volume nonflat strongly coherent cemented gabbro fragments and 5 percent by volume nonflat strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 35 percent by volume nonflat strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.9; clear smooth boundary. Lab sample # 01N01951; observed in cut
    Bw—30 to 84 centimeters (11.8 to 33.1 inches); dark yellowish brown (10YR 4/4), yellowish brown (10YR 5/6), dry; very gravelly loamy very fine sand; 12 percent clay; weak fine subangular blocky structure; loose, loose, nonsticky, nonplastic; weakly smeary; 4.0 very fine roots throughout and 0.5 medium roots throughout and 4.0 fine roots throughout and 0.5 coarse roots throughout; 0.5 very fine tubular and 10.0 fine interstitial pores; 1 percent by volume nonflat strongly coherent cemented gabbro fragments and 5 percent by volume nonflat strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 40 percent by volume nonflat strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments; strongly acid, pH 5.1; gradual smooth boundary. Lab sample # 01N01952; observed in cut
    BC—84 to 147 centimeters (33.1 to 57.9 inches); dark yellowish brown (10YR 4/4), yellowish brown (10YR 5/6), dry; very gravelly loamy fine sand; 8 percent clay; brown (10YR 4/3) coarse mottles; weak fine subangular blocky structure; loose, loose, nonsticky, nonplastic; weakly smeary; 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 very fine tubular and 10.0 medium interstitial and 10.0 fine interstitial pores; 1 percent by volume nonflat strongly coherent cemented gabbro fragments and 10 percent by volume nonflat strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 35 percent by volume nonflat strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments; strongly acid, pH 5.4; gradual wavy boundary. Lab sample # 01N01953; observed in cut
    C—147 to 183 centimeters (57.9 to 72.0 inches); yellowish brown (10YR 5/4), brownish yellow (10YR 6/6), dry; very gravelly sandy loam; 15 percent clay; massive; loose, loose, nonsticky, nonplastic; weakly smeary; 0.5 very fine tubular and 10.0 medium interstitial and 10.0 fine interstitial pores; 1 percent by volume nonflat strongly coherent cemented gabbro fragments and 10 percent by volume nonflat strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 35 percent by volume nonflat strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments; moderately acid, pH 5.6. Lab sample # 01N01954; observed in cut