IDENTIFIERS

  • Current Taxon Name (Soil Name): McWillis
  • OSD
  • Series Extent
  • User Site ID: S1995OR001006
  • User Pedon ID: S1995OR001006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 95P0900
  • NCSS Pedon Lab Data NASIS Record ID - 67907
  • 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: 44.4266663
  • Std. Longitude: -118.3150024
  • Datum: WGS84
  • Township: 13S
  • Range: 36E
  • Section: 20
  • State: Oregon
  • County: OR001—Baker
  • Non-MLRA Soil Survey Area: OR604—Baker County Area, Oregon
  • 7.5 Minute USGS Quad: 44118-D3—Rail Gulch, Oregon
  • PEDON

  • Describers Name: RO
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 6
  • Sampled As Information:
  • Soil Name - McWillis
  • Taxonomic Class - Loamy-skeletal, mixed Alfic Vitrixerands
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/15/1995
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/15/1995 (actual site observation date)
  • Air Photo ID: 3648036
  • Surface Cover Properties:
  • 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

    45

    1597

    45

    450

    Oi—0 to 1 centimeters (0.0 to 0.4 inches); fragments. Lab sample # 95P05844. Needles & Twigs
    Oe—1 to 3 centimeters (0.4 to 1.2 inches); partially decomposed organic matter; fragments. Lab sample # 95P05845
    A—3 to 6 centimeters (1.2 to 2.4 inches); light yellowish brown (10YR 6/4), very dark grayish brown (10YR 3/2), moist; stony silt loam; weak fine granular structure; soft, very friable, nonsticky, nonplastic; 21.0 very fine and fine roots; 3.0 fine and medium pores; 5 percent by volume 250-425-600 millimeter unspecified fragments and 10 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 95P05846
    Bw—6 to 44 centimeters (2.4 to 17.3 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 3/4), moist; gravelly silt loam; weak medium subangular blocky, and weak very fine and fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 0.5 very fine roots and 21.0 medium roots and 21.0 fine roots; 0.5 fine pores; 5 percent by volume 250-425-600 millimeter unspecified fragments and 15 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 95P05847
    2Eb—44 to 59 centimeters (17.3 to 23.2 inches); brown (10YR 5/3), brown (10YR 4/3), moist; Error; moderate very fine and fine subangular blocky structure; soft, friable, slightly sticky, nonplastic; 21.0 medium roots and 21.0 fine roots and 21.0 coarse roots; 0.5 fine pores; 10 percent by volume 75-162-250 millimeter unspecified fragments and 10 percent by volume 250-425-600 millimeter unspecified fragments and 20 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 95P05848
    2Bt1b—59 to 89 centimeters (23.2 to 35.0 inches); brown (10YR 5/3), brown (10YR 4/3), moist; Error; moderate medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, firm, moderately sticky, slightly plastic; 0.5 medium roots and 0.5 fine roots and 0.5 coarse roots; 0.5 fine pores; 30 percent clay films on faces of peds; 5 percent by volume 250-425-600 millimeter unspecified fragments and 15 percent by volume 75-162-250 millimeter unspecified fragments and 25 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. Lab sample # 95P05849
    2Bt2b—89 to 133 centimeters (35.0 to 52.4 inches); brown (10YR 5/3), brown (10YR 4/3), moist; Error; weak fine and medium angular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 medium roots and 0.5 fine roots and 0.5 coarse roots; 0.5 fine pores; 30 percent clay films on faces of peds; 5 percent by volume 250-425-600 millimeter unspecified fragments and 20 percent by volume 75-162-250 millimeter unspecified fragments and 30 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. Lab sample # 95P05850. Few thin colloidal stains.
    2BCb—133 to 158 centimeters (52.4 to 62.2 inches); yellowish brown (10YR 5/4), brown (10YR 4/3), moist; Error; weak fine and medium angular blocky structure; slightly hard, friable, moderately sticky, slightly plastic; 0.5 medium roots and 0.5 fine roots; 10 percent clay films on faces of peds; 5 percent by volume 250-425-600 millimeter unspecified fragments and 25 percent by volume 75-162-250 millimeter unspecified fragments and 30 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 6.0, hellige-truog. Lab sample # 95P05851