IDENTIFIERS

  • Current Taxon Name (Soil Name): Stoneham
  • OSD
  • Series Extent
  • User Site ID: S1991CO075001C
  • User Pedon ID: 91CO075001C
  • Vegetation Plot ID: S1991CO075001C
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0183
  • NCSS Pedon Lab Data NASIS Record ID - 64422
  • 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: 40.8580551
  • 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; fine sandy loam; moderate fine granular structure; slightly hard, very friable; 3.0 very fine and fine roots; 1 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; clear smooth boundary. Lab sample # 92P01228
    Bt1—5 to 13 centimeters (2.0 to 5.1 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; sandy loam; 19 percent clay; moderate coarse prismatic parts to moderate coarse subangular blocky structure; hard, friable; 3.0 very fine and fine roots; clay bridges and 10 percent faint clay films on vertical faces of peds; 3 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; clear wavy boundary. Lab sample # 92P01229. patchy - phpvsfiid 192581; patchy - phpvsfiid 192581
    Bt2—13 to 25 centimeters (5.1 to 9.8 inches); brown (10YR 5/3), brown (10YR 4/3), moist; clay loam; 30 percent clay; moderate medium prismatic parts to strong medium subangular blocky structure; hard, friable; 0.5 very fine roots and 3.0 fine roots; 30 percent faint clay films; 3 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; gradual smooth boundary. Lab sample # 92P01230. patchy - phpvsfiid 192583; patchy - phpvsfiid 192583
    Btk—25 to 38 centimeters (9.8 to 15.0 inches); light brownish gray (10YR 6/2), grayish brown (10YR 5/2), moist; loam; 18 percent clay; moderate coarse prismatic parts to moderate coarse subangular blocky structure; slightly hard, very friable; 0.5 very fine and fine roots; 1 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; gradual smooth boundary. Lab sample # 92P01231
    Bk—38 to 64 centimeters (15.0 to 25.2 inches); light gray (10YR 7/2), light brownish gray (10YR 6/2), moist; loam; 14 percent clay; weak medium subangular blocky structure; slightly hard, very friable; 0.5 very fine roots; 1 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence; gradual smooth boundary.