IDENTIFIERS

  • Current Taxon Name (Soil Name): Stoneham
  • OSD
  • Series Extent
  • User Site ID: S1991CO075001B
  • User Pedon ID: 91CO075001B
  • Vegetation Plot ID: S1991CO075001B
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0182
  • NCSS Pedon Lab Data NASIS Record ID - 64421
  • Print Date: 11/21/2024

    • 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: 40.8580551
  • 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 38 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; 15 percent clay; moderate medium granular structure; slightly hard, very friable; 3.0 very fine and fine roots; 1 percent by volume 2-39-75 millimeter unspecified fragments; abrupt smooth boundary. Lab sample # 92P01224
    Bt1—5 to 13 centimeters (2.0 to 5.1 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; loam; 26 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, friable; 0.5 very fine and fine roots; 10 percent faint clay films on vertical faces of peds; 1 percent by volume 2-39-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # 92P01225. patchy - phpvsfiid 177488; patchy - phpvsfiid 177488
    Bt2—13 to 28 centimeters (5.1 to 11.0 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; clay loam; 32 percent clay; strong medium prismatic parts to moderate medium subangular blocky structure; hard, firm; 0.5 very fine roots; 30 percent faint clay films; 1 percent by volume 2-39-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # 92P01226. patchy - phpvsfiid 192579; patchy - phpvsfiid 192579
    Btk—28 to 38 centimeters (11.0 to 15.0 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; clay loam; 28 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, friable; 0.5 very fine roots; 0.5 fine pores; 10 percent faint clay films on vertical faces of peds; carbonate concretions; 1 percent by volume 2-39-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # 92P01227. patchy - phpvsfiid 192580; patchy - phpvsfiid 192580
    Bk1—38 to 56 centimeters (15.0 to 22.0 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; loam; 24 percent clay; weak medium prismatic parts to weak medium subangular blocky structure; hard, friable; 0.5 very fine roots; 0.5 fine and medium pores; carbonate concretions; 1 percent by volume 2-39-75 millimeter unspecified fragments; gradual smooth boundary.
    Bk2—56 to 79 centimeters (22.0 to 31.1 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; loam; 16 percent clay; massive; slightly hard, very friable; 0.5 very fine roots; 0.5 fine pores; 3 percent carbonate concretions; 1 percent by volume 2-39-75 millimeter unspecified fragments; clear smooth boundary.
    2Bk3—79 centimeters (31.1 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; silt loam; massive; slightly hard, very friable; 3.0 fine pores; fragments.