IDENTIFIERS

  • Current Taxon Name (Soil Name): TOLO
  • OSD
  • Series Extent
  • User Site ID: S1960OR061001
  • User Pedon ID: S1960OR061001
  • Vegetation Plot ID: 2015OR061004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A5472
  • NCSS Pedon Lab Data NASIS Record ID - 42717
  • User Project ID: SSR012015001
  • Project Name: Soil Microbe Map Study
  • Print Date: 2/2/2025

    • 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: 45.6766546
  • Std. Longitude: -117.8065464
  • Datum: WGS84
  • Township: 2N
  • Range: 40E
  • Section: 3
  • PLSS Details: 450 feet north and 450 feet east of the SW corner of section 3; 50 feet west of center of road, 950 feet south of road intersection on north-south section line, 600 feet along road north of east-west section line fence, SW 1/4 SW 1/4
  • Location Description: Union County, Oregon.
  • Map Unit: 59E—Tolo silt loam, 12 to 35 percent slopes
  • State: Oregon
  • County: OR061—Union
  • MLRA: 10—Central Rocky and Blue Mountain Foothills
  • Regional Office: 1—Portland, OR
  • Non-MLRA Soil Survey Area: OR625—Union County Area, Oregon

    • PEDON

  • Describers Name: L. Alexander, F. Carlisle, R. Mayko, G. Lindsay, J. Burr, and W. Fergerson
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - TOLO
  • Classificaton Date - 8/1/1960
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: thick mantle of volcanic ash over colluvium derived from basalt mixed with loess
  • Landscape: mountains
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1960 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • 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

    16

    —

    —

    994

    —

    40

    610

    —

    —

    8.3

    19.4

    -2.8

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 3 centimeters (0.0 to 1.2 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; 6 percent clay; weak fine granular structure; soft, very friable, nonsticky, nonplastic; interstitial pores; fragments; neutral, pH 6.6, unspecified; abrupt smooth boundary. Lab sample # 40A41135. structure matted together with abundant fine fibrous roots; root mat tends to give platy cleavage to horizon; numerous white fungal mycelia; common 1 to 2 mm charcoal fragments
    B21—3 to 10 centimeters (1.2 to 3.9 inches); brown (10YR 4/3), light brownish gray (10YR 6/2), dry; silt loam; 6 percent clay; massive; soft, very friable, nonsticky, nonplastic; 21.0 fine roots; 3.0 very fine tubular pores; fragments; slightly acid, pH 6.2, unspecified; abrupt smooth boundary. Lab sample # 40A41136. structure has tendency toward very fine granular; common 1 to 2 mm charcoal fragments
    B22—10 to 18 centimeters (3.9 to 7.1 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; 7 percent clay; massive; soft, very friable, nonsticky, nonplastic; 21.0 fine roots; 3.0 very fine pores; fragments; slightly acid, pH 6.2, unspecified; clear smooth boundary. Lab sample # 40A41137. structure has tendency towards very fine granular; few 1 to 2 mm charcoal fragments
    B23—18 to 46 centimeters (7.1 to 18.1 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; 7 percent clay; massive; soft, very friable, nonsticky, nonplastic; 21.0 roots; 0.5 fine pores; fragments; slightly acid, pH 6.2, unspecified; gradual smooth boundary. Lab sample # 40A41138. apparent very low bulk density
    B24—46 to 69 centimeters (18.1 to 27.2 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; 8 percent clay; massive; slightly hard, very friable, nonsticky, nonplastic; 21.0 roots; 21.0 very fine pores; fragments; moderately acid, pH 6.0, unspecified; clear smooth boundary. Lab sample # 40A41139. apparent very low bulk density
    B25&A1b—69 to 84 centimeters (27.2 to 33.1 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; 10 percent clay; massive; slightly hard, friable, nonsticky, nonplastic; 21.0 roots; 21.0 very fine tubular pores; fragments; moderately acid, pH 5.8, unspecified; abrupt wavy boundary. Lab sample # 40A41140. structure has a faint expression of the prismatic structure in horizon below; 60 to 75 percent volcanic ash
    2B1b—84 to 94 centimeters (33.1 to 37.0 inches); dark yellowish brown (10YR 4/4), brown (10YR 5/3), dry; silt loam; 25 percent clay; weak medium and coarse prismatic, and moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 roots; 21.0 very fine tubular pores; 10 percent dark brown (10YR 3/3) clay films on faces of peds and in pores; fragments; moderately acid, pH 6.0, unspecified; clear wavy boundary. Lab sample # 40A41141. white mycelial fungus common on ped faces; some blanched silt coatings on peds
    2B21tb—94 to 104 centimeters (37.0 to 40.9 inches); dark yellowish brown (10YR 4/4), brown (10YR 5/3), dry; silty clay loam; 30 percent clay; weak medium and coarse prismatic, and moderate fine and medium subangular blocky structure; slightly hard, firm, slightly sticky, slightly plastic; 21.0 roots; 21.0 very fine tubular pores; clay films; fragments; slightly acid, pH 6.2, unspecified; gradual smooth boundary. Lab sample # 40A41142. white mycelial fungus common on ped faces; common discontinuous blanched silt coatings on most peds and pore linings; continuous - phpvsfiid 189895; continuous - phpvsfiid 189895
    2B22tb—104 to 117 centimeters (40.9 to 46.1 inches); dark yellowish brown (10YR 4/4), pale brown (10YR 6/3), dry; silty clay loam; 29 percent clay; weak medium and coarse prismatic, and moderate fine and medium subangular blocky structure; hard when dry, firm, slightly sticky, slightly plastic; 21.0 roots; 21.0 very fine tubular and 3.0 fine tubular pores; fragments; slightly acid, pH 6.2, unspecified; gradual smooth boundary. Lab sample # 40A41143. blanched silt coatings similar to horizon above but less abundant
    2B23tb—117 to 130 centimeters (46.1 to 51.2 inches); dark yellowish brown (10YR 4/4), pale brown (10YR 6/3), dry; silty clay loam; 28 percent clay; weak medium and coarse prismatic, and weak fine and medium subangular blocky structure; hard when dry, firm, slightly sticky, slightly plastic; 21.0 roots; 21.0 very fine tubular and 3.0 fine tubular pores; distinct clay films on faces of peds; fragments; slightly acid, pH 6.2, unspecified; gradual smooth boundary. Lab sample # 40A41144. common discontinuous blanched silt coatings on most peds and pore linings; patchy - phpvsfiid 189896; patchy - phpvsfiid 189896
    2B31tb—130 to 165 centimeters (51.2 to 65.0 inches); brown (10YR 4/3), brown (10YR 5/3), dry; silt loam; 26 percent clay; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 roots; 21.0 very fine tubular and 3.0 fine tubular pores; fragments; slightly acid, pH 6.2, unspecified; gradual smooth boundary. Lab sample # 40A41145. few patches of continuos dark brown (10YR 3/3) films, 1 to 2 cm across on a few vertical ped surfaces, but mostly the horizon has thin discontinuous clay films on peds and in fine tubular pores; blanched silt coatings similar to horizon above, but fewer and less evident
    2B32tb—165 to 183 centimeters (65.0 to 72.0 inches); 21.0 roots; 21.0 very fine tubular pores; clay films on faces of peds and in pores; fragments. Lab sample # 40A41146. color, texture, structure, and consistence similar to horizon above; blanched silt coatings similar to horizons above, but less common; auger boring indicated similar material extended to 80 inches; discontinuous - phpvsfiid 189897; discontinuous - phpvsfiid 189897