IDENTIFIERS

  • Current Taxon Name (Soil Name): Stoneham
  • OSD
  • Series Extent
  • User Site ID: S1991CO121001
  • User Pedon ID: 91CO121001
  • Vegetation Plot ID: S1991CO121001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0185
  • NCSS Pedon Lab Data NASIS Record ID - 64424
  • Print Date: 11/13/2024

    • 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: 40.3822212
  • Std. Longitude: -103.1283340
  • Datum: WGS84
  • Township: 5N
  • Range: 52W
  • Section: 24
  • PLSS Details: 1330 feet N and 650 feet E of SW corner, SE 1/4
  • State: Colorado
  • County: CO121—Washington
  • Non-MLRA Soil Survey Area: CO121—Washington County, Colorado

    • PEDON

  • Describers Name: R.M., J.W., A.P.
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Stoneham
  • Taxonomic Class - Fine-loamy, mixed Ustollic Haplargids
  • PSC - 2 to 52 cm.
  • Classificaton Date - 9/5/1991
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: plains
  • Landform: hillside
  • Hill Slope Profile: footslope
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/5/1991 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    BOGR2

    CAFI

    Bouteloua gracilis

    Carex filifolia

    blue grama

    threadleaf sedge

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    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

    7

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    1335

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    242

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    A1—0 to 3 centimeters (0.0 to 1.2 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; loam; 12 percent clay; moderate very fine granular structure; soft, very friable, moderately sticky, slightly plastic; 3.0 very fine and fine roots; 21.0 very fine interstitial pores; fragments; slight effervescence; neutral, pH 7.2, hellige-truog; clear smooth boundary. Lab sample # 92P01236
    Bt1—3 to 13 centimeters (1.2 to 5.1 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; loam; 14 percent clay; moderate medium and coarse prismatic parts to moderate medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots and 0.5 medium roots; 0.5 very fine and fine tubular pores; coats on faces of peds and 10 percent faint clay films on faces of peds; fragments; slight effervescence; slightly alkaline, pH 7.4, hellige-truog; clear smooth boundary. Lab sample # 92P01237
    Bt2—13 to 25 centimeters (5.1 to 9.8 inches); light yellowish brown (10YR 6/4), dark brown (10YR 3/3), moist; loam; 17 percent clay; strong medium prismatic parts to moderate medium subangular blocky structure; hard, firm, slightly sticky, moderately plastic; 3.0 very fine and fine roots and 0.5 medium roots; 0.5 very fine and fine tubular pores; 30 percent faint clay films on faces of peds; fragments; slight effervescence; slightly alkaline, pH 7.4, hellige-truog; gradual wavy boundary. Lab sample # 92P01238
    Btk1—25 to 41 centimeters (9.8 to 16.1 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; clay loam; 28 percent clay; weak medium prismatic parts to moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 3.0 very fine and fine roots throughout and 0.5 medium roots; 0.5 very fine and fine tubular pores; 10 percent faint clay films on faces of peds; 3 percent fine and medium irregular carbonate concretions; 3 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog; gradual smooth boundary. Lab sample # 92P01239
    Btk2—41 to 91 centimeters (16.1 to 35.8 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; clay loam; 30 percent clay; moderate coarse prismatic parts to moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 fine and medium roots; 0.5 very fine and fine tubular pores; 30 percent faint clay films on faces of peds; 3 percent fine and medium irregular carbonate concretions and 3 percent fine and medium spherical carbonate concretions; 3 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 92P01240. 92P1241.
    Btk3—91 to 107 centimeters (35.8 to 42.1 inches); light gray (2.5Y 7/2), light brownish gray (2.5Y 6/2), moist; clay loam; 32 percent clay; weak coarse prismatic parts to weak coarse subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 fine and medium roots; 0.5 very fine and fine tubular pores; 10 percent faint clay films on faces of peds; 1 percent fine and medium spherical carbonate concretions and 1 percent fine and medium irregular carbonate concretions; 3 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 92P01242
    BCk—107 to 124 centimeters (42.1 to 48.8 inches); light gray (2.5Y 7/2), light brownish gray (2.5Y 6/2), moist; loam; 25 percent clay; weak coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots; 0.5 very fine and fine tubular pores; 1 percent fine and medium irregular carbonate concretions and 1 percent fine and medium spherical carbonate concretions; fragments; strong effervescence; strongly alkaline, pH 8.6, hellige-truog; gradual wavy boundary. Lab sample # 92P01243
    Ck—124 to 152 centimeters (48.8 to 59.8 inches); light gray (2.5Y 7/2), light brownish gray (2.5Y 6/2), moist; loam; 15 percent clay; massive; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots; 3.0 very fine and fine tubular pores; fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 92P01244