IDENTIFIERS

  • Current Taxon Name (Soil Name): Stoneham
  • OSD
  • Series Extent
  • User Site ID: S1991CO075001D
  • User Pedon ID: 91CO075001D
  • Vegetation Plot ID: S1991CO075001D
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0184
  • NCSS Pedon Lab Data NASIS Record ID - 64423
  • Print Date: 2/1/2025

    • 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: 40.8580551
  • Std. Longitude: -103.4983368
  • Datum: WGS84
  • Township: 10N
  • Range: 55W
  • Section: 10
  • PLSS Details: NE corner
  • State: Colorado
  • County: CO075—Logan
  • Non-MLRA Soil Survey Area: CO075—Logan 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 - 5 to 30 cm.
  • Classificaton Date - 9/6/1991
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Hill Slope Profile: backslope
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/6/1991 (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

    OPUNT

    Bouteloua gracilis

    Opuntia

    blue grama

    pricklypear

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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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    1314

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    230

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    A—0 to 5 centimeters (0.0 to 2.0 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; loam; fine and medium granular structure; slightly hard, very friable; 3.0 very fine and fine roots and 3.0 medium roots; fragments; clear smooth boundary. Lab sample # 92P01232
    Bt1—5 to 18 centimeters (2.0 to 7.1 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; clay loam; 28 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, friable; 3.0 very fine roots and 0.5 fine and medium roots; 10 percent faint clay films on vertical faces of peds; 1 percent by volume 2-39-75 millimeter unspecified fragments; gradual smooth boundary. Lab sample # 92P01233. patchy - phpvsfiid 192584; patchy - phpvsfiid 192584
    Bt2—18 to 30 centimeters (7.1 to 11.8 inches); brown (10YR 5/3), brown (10YR 4/3), moist; loam; 26 percent clay; weak medium prismatic parts to moderate fine and medium subangular blocky structure; hard, friable; 3.0 very fine and fine roots; 10 percent faint clay films; 1 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; gradual smooth boundary. Lab sample # 92P01234. patchy - phpvsfiid 192585; patchy - phpvsfiid 192585
    Bk—30 to 51 centimeters (11.8 to 20.1 inches); brown (10YR 5/3), brown (10YR 4/3), moist; clay loam; 28 percent clay; weak fine and medium subangular blocky structure; hard, friable; 0.5 very fine roots; 3 percent carbonate concretions; 2-39-75 millimeter shale, unspecified fragments; violent effervescence; gradual smooth boundary. Lab sample # 92P01235
    BCk—51 to 71 centimeters (20.1 to 28.0 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; clay loam; 37 percent clay; weak medium subangular blocky structure; hard, friable; 0.5 fine roots; 3 percent carbonate concretions; 21 percent by volume 2-39-75 millimeter shale, unspecified fragments; violent effervescence.
    Cr—71 centimeters (28.0 inches); massive; hard, firm; 0.5 fine roots; fragments.