IDENTIFIERS

  • Current Taxon Name (Soil Name): Philomath
  • OSD
  • Series Extent
  • User Site ID: S2000OR003004
  • User Pedon ID: S2000OR003004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 00P0855
  • NCSS Pedon Lab Data NASIS Record ID - 12353
  • Print Date: 2/16/2025

    • 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: 44.5997238
  • Std. Longitude: -123.2861099
  • Datum: WGS84
  • Township: 11S
  • Range: 5W
  • Section: 22
  • PLSS Details: 2600 feet south and 1100 feet east of the NW1/4
  • State: Oregon
  • County: OR003—Benton
  • MLRA: 2—Willamette and Puget Sound Valleys
  • Non-MLRA Soil Survey Area: OR003—Benton County, Oregon

    • PEDON

  • Describers Name: David R. Johnson
  • Current Taxonomic Class: Clayey, smectitic, mesic, shallow Vertic Haploxerolls
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Philomath
  • PSC - 0 to 38 cm.
  • Classificaton Date - 6/15/2007
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Philomath
  • Taxonomic Class - Clayey, smectitic, mesic, shallow Vertic Haploxero
  • Taxon Kind - series
  • Classificaton Date - 3/11/2000
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: well
  • Bedrock: basalt and a dip of 38 to 38 degrees
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/11/2000 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    0—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

    12

    —

    —

    104

    —

    190

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) broken face, very dark brown (10YR 2/2) broken face, moist; silty clay loam; 29 percent clay; strong medium granular structure; moderately hard, very friable, moderately sticky, moderately plastic; 21.0 very fine roots throughout and 0.5 fine roots throughout; 21.0 very fine tubular pores; fragments; 6 Bromthymol blue; moderately acid, pH 5.8, hellige-truog; abrupt smooth boundary. Lab sample # 00P05246. 1 percent nonflat angular indurated 0.1 to 0.2 inch basalt fragments.
    Bw1—10 to 20 centimeters (3.9 to 7.9 inches); dark grayish brown (10YR 4/2) broken face, very dark brown (10YR 2/2) broken face, moist; silty clay loam; 35 percent clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; moderately hard, friable, moderately sticky, moderately plastic; 21.0 very fine roots throughout and 0.5 fine roots throughout; 21.0 very fine tubular and 3.0 fine tubular pores; fragments; 6 Bromthymol blue; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # 00P05247. 1 percent nonflat angular indurated 0.1 to 0.2 inch basalt fragments.
    Bw2—20 to 38 centimeters (7.9 to 15.0 inches); dark grayish brown (10YR 4/2) broken face, very dark brown (10YR 2/2) broken face, moist; clay; 40 percent clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; moderately hard, friable, moderately sticky, moderately plastic; 3.0 very fine roots throughout and 0.5 fine roots throughout; 21.0 very fine tubular and 3.0 fine tubular pores; fragments; 6 Bromthymol blue; moderately acid, pH 5.8, hellige-truog; abrupt wavy boundary. Lab sample # 00P05248. 1 percent nonflat angular weakly 0.1 to 3.0 inch basalt fragments and 5 percent nonflat angular indurated 0.1 to 3.0 basalt fragments and 5 percent nonflat angular indurated 0.1 to 3.0 inch basalt fragments and 5 percent nonflat angular indurated 3.0 to 9.8 inch basalt fragments.
    Cr—38 to 63 centimeters (15.0 to 24.8 inches); fragments. structure.