IDENTIFIERS

  • Current Taxon Name (Soil Name): Stoneham
  • OSD
  • Series Extent
  • User Site ID: S1991CO121001A
  • User Pedon ID: 91CO121001A
  • Vegetation Plot ID: S1991CO121001A
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0186
  • NCSS Pedon Lab Data NASIS Record ID - 64425
  • Print Date: 1/31/2025

    • 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: 40.3822212
  • Std. Longitude: -103.1380539
  • Datum: WGS84
  • Township: 5N
  • Range: 52W
  • Section: 24
  • PLSS Details: 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.
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Stoneham
  • Taxonomic Class - Fine-loamy, mixed Ustollic Haplargids
  • PSC - 8 to 53 cm.
  • Classificaton Date - 9/5/1991
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • 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

    PASM

    Bouteloua gracilis

    Pascopyrum smithii

    blue grama

    western wheatgrass

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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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    A—0 to 8 centimeters (0.0 to 3.1 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; loam; 20 percent clay; weak very fine granular structure; slightly hard, very firm; 3.0 very fine and fine roots and 0.5 medium roots; fragments; slight effervescence; abrupt smooth boundary. Lab sample # 92P01245
    Bt1—8 to 15 centimeters (3.1 to 5.9 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; clay loam; 28 percent clay; moderate coarse prismatic parts to moderate medium subangular blocky structure; hard, firm; 3.0 very fine and fine roots and 0.5 medium roots; 0.5 tubular pores; coats on upper surfaces of peds or rocks and 30 percent clay films on vertical faces of peds; fragments; slight effervescence; clear smooth boundary. Lab sample # 92P01246. patchy - phpvsfiid 192692; patchy - phpvsfiid 192692
    Bt2—15 to 30 centimeters (5.9 to 11.8 inches); brown (10YR 5/3), brown (10YR 4/3), moist; clay loam; 33 percent clay; strong medium prismatic parts to moderate medium subangular blocky structure; hard, firm; 0.5 very fine and fine roots; 0.5 tubular pores; 30 percent faint clay films; fragments; slight effervescence; gradual wavy boundary. Lab sample # 92P01247. patchy - phpvsfiid 192694; patchy - phpvsfiid 192694
    Btk1—30 to 53 centimeters (11.8 to 20.9 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; clay loam; 30 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, firm; 0.5 very fine and fine roots; 10 percent clay films; 3 percent fine and medium carbonate concretions; fragments; violent effervescence; gradual smooth boundary. Lab sample # 92P01248. patchy - phpvsfiid 192695; patchy - phpvsfiid 192695
    Btk2—53 centimeters (20.9 inches); light brownish gray (10YR 6/2), grayish brown (10YR 5/2), moist; clay loam; 30 percent clay; moderate coarse prismatic parts to moderate medium subangular blocky structure; hard, firm; 0.5 very fine roots; 10 percent clay films; 3 percent fine and medium carbonate concretions; fragments; violent effervescence. patchy - phpvsfiid 192696; patchy - phpvsfiid 192696