IDENTIFIERS

  • Current Taxon Name (Soil Name): Sawtell
  • OSD
  • Series Extent
  • User Site ID: 03-DRJ-19
  • User Pedon ID: 03OR005003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - S03OR005003
  • Print Date: 12/6/2025
  • 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: 45.1545296
  • Std. Longitude: -122.5597916
  • Datum: WGS84
  • Township: 5S
  • Range: 2E
  • Section: 9
  • PLSS Details: northeast 1/4 of the southeast 1/4 of the northeast 1/4
  • State: Oregon
  • County: OR005—Clackamas
  • MLRA: 2—Willamette and Puget Sound Valleys
  • 7.5 Minute USGS Quad: 45122-B5—Molalla, Oregon
  • PEDON

  • Describers Name: David R. Johnson
  • Current Taxonomic Class: Loamy-skeletal, mixed, superactive, mesic Aquultic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Sawtell
  • Taxonomic Class - Loamy-skeletal, mixed, superactive, mesic Aquultic Argixerolls
  • PSC - 57 to 99 cm.
  • Classificaton Date - 10/13/2003
  • Moisture Class - xeric
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loamy alluvium over gravelly alluvium derived from andesite
  • Landform: terrace
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/13/2003 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - partly cloudy
  • Current Air Temp - 16
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    aquic conditions

    argillic horizon

    0—57

    37—152

    57—99

    —57—

    —115—

    —42—

    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

    1

    114

    1270

    11.1

    A1—0 to 10 centimeters (0.0 to 3.9 inches); grayish brown (10YR 5/2) broken face, very dark brown (10YR 2/2) broken face, moist; silt loam; 25 percent sand; 51 percent silt; 24 percent clay; moderate medium granular parts to moderate fine granular structure; slightly hard, friable, slightly sticky, nonplastic; 15.0 very fine roots throughout and 0.5 fine roots throughout; 20.0 very fine tubular and 2.0 fine tubular pores; 1 percent fine spherical moderately coherent cemented iron-manganese concretions throughout; 5 percent by volume nonflat subrounded indurated 2-13-25 millimeter andesite fragments; clear smooth boundary.; slightly moist when described; observed in pit, small
    A2—10 to 37 centimeters (3.9 to 14.6 inches); grayish brown (10YR 5/2) broken face, very dark brown (10YR 2/2) broken face, moist; silt loam; 25 percent sand; 51 percent silt; 24 percent clay; moderate medium granular structure; slightly hard, friable, slightly sticky, nonplastic; 10.0 very fine roots throughout and 0.2 fine roots throughout; 13.0 very fine tubular and 1.0 fine tubular pores; 3 percent fine spherical moderately coherent cemented iron-manganese concretions throughout; 5 percent by volume nonflat subrounded indurated 2-13-25 millimeter andesite fragments; clear wavy boundary.; dry when described;
    BA—37 to 57 centimeters (14.6 to 22.4 inches); brown (10YR 5/3) broken face, very dark grayish brown (10YR 3/2) broken face, moist; very cobbly clay loam; 23 percent sand; 47 percent silt; 30 percent clay; moderate medium subangular blocky structure; hard, firm, slightly sticky, moderately plastic; 5.0 very fine roots throughout and 0.1 fine roots throughout; 3.0 very fine tubular and 1.0 fine tubular pores; 5 percent faint light brownish gray (2.5Y 6/2), dry, iron depletions in matrix and 8 percent fine spherical moderately coherent cemented iron-manganese concretions throughout and 25 percent faint black (10YR 2/1), moist, manganese coatings on vertical faces of peds and 25 percent faint black (10YR 2/1), moist, manganese coatings in matrix and 25 percent faint brown (7.5YR 4/4), dry, masses of oxidized iron in matrix; 20 percent by volume nonflat well rounded indurated 75-150-250 millimeter andesite fragments and 30 percent by volume nonflat well rounded indurated 2-39-75 millimeter andesite fragments; gradual wavy boundary.; dry when described;
    Bt—57 to 99 centimeters (22.4 to 39.0 inches); 75 percent light brownish gray (10YR 6/2) broken face and 25 percent very pale brown (10YR 7/3) broken face, 75 percent brown (10YR 4/3) broken face and 25 percent grayish brown (10YR 5/2) broken face, moist; extremely cobbly clay loam; 30 percent sand; 38 percent silt; 32 percent clay; weak coarse subangular blocky parts to weak medium subangular blocky structure; moderately hard, firm, moderately sticky, moderately plastic; 1.0 very fine roots throughout; 5 percent faint light brownish gray (10YR 6/2), moist, clay films on all faces of peds and 5 percent faint light brownish gray (10YR 6/2), moist, clay films on surfaces along pores; 3 percent medium spherical moderately coherent cemented iron-manganese concretions throughout and 5 percent prominent strong brown (7.5YR 5/6), moist, masses of oxidized iron in matrix and 7 percent fine spherical moderately coherent cemented iron-manganese concretions throughout and 25 percent faint brown (7.5YR 4/4), moist, masses of oxidized iron in matrix and 30 percent faint black (10YR 2/1), moist, manganese coatings on vertical faces of peds and 30 percent faint black (10YR 2/1), moist, manganese coatings in matrix; 30 percent by volume nonflat well rounded indurated 2-39-75 millimeter andesite fragments and 30 percent by volume nonflat well rounded indurated 75-150-250 millimeter andesite fragments; clear wavy boundary.; slightly moist when described;
    C—99 to 152 centimeters (39.0 to 59.8 inches); 50 percent light yellowish brown (10YR 6/4) broken face and 50 percent very pale brown (10YR 7/3) broken face, 50 percent brown (7.5YR 4/4) broken face and 50 percent grayish brown (10YR 5/2) broken face, moist; extremely cobbly clay; 25 percent sand; 25 percent silt; 50 percent clay; structureless massive; moderately hard, firm, very sticky, very plastic; 0.2 very fine roots throughout; 10 percent faint black (10YR 2/1), moist, manganese coatings in matrix and 20 percent prominent strong brown (7.5YR 5/6), moist, masses of oxidized iron in matrix and 30 percent faint black (10YR 2/1), moist, manganese coatings on vertical faces of peds; 2 percent by volume nonflat well rounded indurated 250-300-375 millimeter andesite fragments and 25 percent by volume nonflat well rounded indurated 2-39-75 millimeter andesite fragments and 50 percent by volume nonflat well rounded indurated 75-150-250 millimeter andesite fragments.; slightly moist when described;