IDENTIFIERS

  • Current Taxon Name (Soil Name): Stoneham
  • OSD
  • Series Extent
  • User Site ID: S1991CO121002
  • User Pedon ID: 91CO121002
  • Vegetation Plot ID: S1991CO121002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0190
  • NCSS Pedon Lab Data NASIS Record ID - 64429
  • 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: -103.1380539
  • Datum: WGS84
  • Township: 5N
  • Range: 52W
  • Section: 24
  • PLSS Details: 650 feet E and 1350 feet N of SW corner
  • State: Colorado
  • County: CO121—Washington
  • Non-MLRA Soil Survey Area: CO121—Washington County, Colorado

    • PEDON

  • Describers Name: R.M., J.W.
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Stoneham
  • Taxonomic Class - Fine-loamy, mixed Ustollic Haplargids
  • PSC - 8 to 58 cm.
  • Classificaton Date - 9/5/1991
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Slope Shape Down: convex
  • 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

    ARIST

    BOGR2

    Aristida

    Bouteloua gracilis

    threeawn

    blue grama

    —

    —

    —

    —

    —

    —
    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

    —

    —

    1335

    —

    290

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; fine sandy loam; weak fine granular structure; slightly hard, very friable; 3.0 very fine and fine roots; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 92P01262
    Bt1—8 to 23 centimeters (3.1 to 9.1 inches); brown (10YR 5/3), brown (10YR 4/3), moist; sandy clay loam; 24 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, friable; 0.5 very fine and fine roots; 3.0 fine and medium pores; 10 percent faint clay films; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 92P01263. patchy - phpvsfiid 177502; patchy - phpvsfiid 177502
    Bt2—23 to 43 centimeters (9.1 to 16.9 inches); brown (10YR 5/3), brown (10YR 4/3), moist; sandy clay loam; 20 percent clay; moderate fine and medium prismatic parts to weak medium subangular blocky structure; hard, friable; 0.5 very fine roots; 3.0 fine and medium pores; 10 percent faint clay films; fragments; neutral, pH 7.2, hellige-truog; gradual smooth boundary. Lab sample # 92P01264. patchy - phpvsfiid 177503; patchy - phpvsfiid 177503
    Btk1—43 to 64 centimeters (16.9 to 25.2 inches); light gray (10YR 7/2), light brownish gray (10YR 6/2), moist; loam; weak medium prismatic parts to weak medium subangular blocky structure; hard, firm; 0.5 very fine roots; 0.5 medium and 3.0 fine pores; 10 percent faint clay films; 1 percent medium carbonate concretions; fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. Lab sample # 92P01265. patchy - phpvsfiid 177504; patchy - phpvsfiid 177504
    Btk2—64 to 86 centimeters (25.2 to 33.9 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; sandy loam; 18 percent clay; weak coarse prismatic parts to weak coarse subangular blocky structure; hard, friable; 0.5 very fine roots; 0.5 medium and 3.0 fine pores; 10 percent faint clay films; fragments; violent effervescence; moderately alkaline, pH 8.4, hellige-truog; gradual wavy boundary. Lab sample # 92P01266. patchy - phpvsfiid 177505; patchy - phpvsfiid 177505
    BCk—86 to 114 centimeters (33.9 to 44.9 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; sandy loam; 14 percent clay; weak coarse subangular blocky structure; slightly hard, friable; 0.5 very fine roots; 0.5 medium and 3.0 fine pores; 1 percent lime masses; 1 percent by volume 2-39-75 millimeter igneous, unspecified fragments; violent effervescence; moderately alkaline, pH 8.4, hellige-truog; clear wavy boundary. Lab sample # 92P01267
    2Bk1—114 to 127 centimeters (44.9 to 50.0 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; loam; massive; slightly hard, very friable; 0.5 medium and 3.0 fine pores; 3 percent carbonate concretions; fragments; violent effervescence; moderately alkaline, pH 8.4, hellige-truog; gradual wavy boundary. Lab sample # 92P01268
    2Bk2—127 to 152 centimeters (50.0 to 59.8 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; loam; massive; slightly hard, very friable; 0.5 fine pores; 3 percent carbonate concretions; fragments; violent effervescence; moderately alkaline, pH 8.4, hellige-truog. Lab sample # 92P01269