IDENTIFIERS

  • Current Taxon Name (Soil Name): Hillsboro
  • OSD
  • Series Extent
  • User Site ID: S1959OR067003
  • User Pedon ID: S1959OR067003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A0935
  • NCSS Pedon Lab Data NASIS Record ID - 33994
  • Print Date: 1/30/2025

    • 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: 45.3844452
  • Std. Longitude: -122.8091660
  • Datum: WGS84
  • Township: 2S
  • Range: 1W
  • Section: 21
  • PLSS Details: NE corner
  • Location Description: approximately 1/4 mile east of US Highway 99 on south side of State Highway 212, Washington County, Oregon
  • State: Oregon
  • County: OR067—Washington
  • MLRA: 2—Willamette and Puget Sound Valleys
  • Non-MLRA Soil Survey Area: OR067—Washington County, Oregon

    • PEDON

  • Describers Name: Clyde C. Bowlsby
  • Current Taxonomic Class: Fine-silty, mixed, mesic Ultic Haploxeralfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Hillsboro
  • PSC - 38 to 84 cm.
  • Classificaton Date - 7/23/2007
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - HILLSBORO
  • Classificaton Date - 7/26/1959
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/26/1959 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    2

    —

    —

    58

    —

    1143

    —

    —

    11.7

    19.4

    3.3

    —

    —

    —

    —

    —

    —

    —

    —
    AP1—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; loam; weak fine and medium subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 21.0 roots; 21.0 interstitial pores; fragments; moderately acid, pH 6.0, unspecified; abrupt smooth boundary. Lab sample # 40A07022; dry when described;. common fine shot
    AP2—10 to 20 centimeters (3.9 to 7.9 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; loam; moderate medium subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 3.0 roots; 21.0 interstitial pores; 1 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 6.0, unspecified; clear smooth boundary. Lab sample # 40A07023; dry when described;. common fine shot
    A3—20 to 38 centimeters (7.9 to 15.0 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 3/4), moist; silt loam; weak medium prismatic, and weak medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 3.0 roots; 3.0 fine tubular pores; 1 percent clay films; fragments; slightly acid, pH 6.2, unspecified; clear smooth boundary. Lab sample # 40A07024; dry when described;. patchy - phpvsfiid 189953; patchy - phpvsfiid 189953
    B21T—38 to 63 centimeters (15.0 to 24.8 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; silt loam; weak medium prismatic, and weak fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 fine roots; 3.0 fine and medium tubular pores; dark reddish brown (5YR 3/4) clay films and dark brown (7.5YR 3/2) clay films; fragments; slightly acid, pH 6.2, unspecified; clear smooth boundary. Lab sample # 40A07025; dry when described;. horizon shows variegated color from worm activity; patchy - phpvsfiid 189954; patchy - phpvsfiid 189955; patchy - phpvsfiid 189954; patchy - phpvsfiid 189955
    B22T—63 to 84 centimeters (24.8 to 33.1 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; silt loam; weak fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 fine roots; 21.0 very fine and fine tubular pores; 75 percent dark yellowish brown (10YR 3/4) clay films; fragments; moderately acid, pH 5.8, unspecified; clear smooth boundary. Lab sample # 40A07026; dry when described;
    B3—84 to 122 centimeters (33.1 to 48.0 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; silt loam; weak medium subangular blocky structure; slightly hard, friable, nonsticky, slightly plastic; 0.1 fine roots; 21.0 very fine and fine tubular pores; clay films; fragments; moderately acid, pH 5.6, unspecified; clear smooth boundary. Lab sample # 40A07027; dry when described;. clay films thick in channels; few medium and fine 1 and 2 inch lumps of silt which are hard when dry and firm when moist; patchy - phpvsfiid 189957; patchy - phpvsfiid 189957
    2C1—122 to 145 centimeters (48.0 to 57.1 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; fine sandy loam; massive; soft, very friable, nonsticky, nonplastic; 0.1 roots; 0.5 fine tubular pores; fragments; moderately acid, pH 5.6, unspecified; abrupt smooth boundary. Lab sample # 40A07028; dry when described;. irregular fine sandy loam lumps 1/2 inch in diameter, flat, up to 3 inches long, hard when dry and firm when moist
    3C2—145 to 160 centimeters (57.1 to 63.0 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; loamy fine sand; massive; soft, very friable, nonsticky, nonplastic; fragments; slightly acid, pH 6.2, unspecified; abrupt smooth boundary. Lab sample # 40A07029; dry when described;. 25 percent flat fine sandy loam lumps, which are hard and firm, seem to be arranged vertically along root channels
    4C3—160 to 206 centimeters (63.0 to 81.1 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; fine sand; massive; hard when dry, firm; fragments. Lab sample # 40A07030; dry when described;