IDENTIFIERS

  • Current Taxon Name (Soil Name): Stoneham
  • OSD
  • Series Extent
  • User Site ID: S1991CO075001
  • User Pedon ID: 91CO075001
  • Vegetation Plot ID: S1991CO075001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0180
  • NCSS Pedon Lab Data NASIS Record ID - 64419
  • 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: 1600 feet S and 450 feet W of 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 - 8 to 58 cm.
  • Classificaton Date - 9/6/1991
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: plains
  • Landform: hillside
  • 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

    ARIST

    BOGR2

    OPUNT

    Aristida

    Bouteloua gracilis

    Opuntia

    threeawn

    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 8 centimeters (0.0 to 3.1 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; loam; 15 percent clay; moderate medium platy structure; very hard, firm, slightly sticky, slightly plastic; 21.0 very fine and fine roots and 0.5 medium roots; 0.5 very fine interstitial and 0.5 fine tubular pores; 5 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; clear smooth boundary. Lab sample # 92P01212
    Bt1—8 to 25 centimeters (3.1 to 9.8 inches); dark yellowish brown (10YR 4/4), dark brown (10YR 3/3), moist; clay loam; 30 percent clay; moderate medium and coarse prismatic parts to moderate medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots and 0.5 medium roots; 0.5 very fine tubular pores; 25 percent distinct clay films on vertical faces of peds; 5 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; clear smooth boundary. Lab sample # 92P01213. patchy - phpvsfiid 177483; patchy - phpvsfiid 177483
    Bt2—25 to 38 centimeters (9.8 to 15.0 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 3/4), moist; clay loam; 32 percent clay; moderate medium and coarse prismatic parts to moderate medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots and 0.5 medium roots; 0.5 fine and medium tubular pores; 25 percent distinct clay films; 5 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; gradual wavy boundary. Lab sample # 92P01214. The lower boundary has gravels with lime coatings on bottom.; patchy - phpvsfiid 177484; patchy - phpvsfiid 177484
    2Btk—38 to 61 centimeters (15.0 to 24.0 inches); very pale brown (10YR 7/3), brown (10YR 4/3), moist; clay loam; 32 percent clay; weak coarse prismatic parts to weak medium and coarse subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots; 0.5 fine and medium tubular pores; 1 percent medium masses of oxidized iron; fragments; strong effervescence; gradual wavy boundary. Lab sample # 92P01215
    2Bk—61 to 81 centimeters (24.0 to 31.9 inches); very pale brown (10YR 7/3), brown (10YR 4/3), moist; loam; 25 percent clay; massive; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots; 3.0 fine and medium tubular pores; 1 percent medium masses of oxidized iron; fragments; strong effervescence; clear wavy boundary. Lab sample # 92P01216
    2Bk2—81 to 117 centimeters (31.9 to 46.1 inches); light yellowish brown (2.5Y 6/3), olive brown (2.5Y 4/3), moist; clay loam; 30 percent clay; 1 percent yellowish brown (10YR 5/6) medium prominent mottles; massive; slightly hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots; 0.5 very fine and fine tubular pores; 3 percent coarse masses of oxidized iron; fragments; strong effervescence; clear smooth boundary. Lab sample # 92P01217. Concretions show violent effervescence.
    2BCk—117 to 140 centimeters (46.1 to 55.1 inches); light olive brown (2.5Y 5/4), olive brown (2.5Y 4/3), moist; clay loam; 32 percent clay; 1 percent brownish yellow (10YR 6/6) medium prominent mottles; massive; hard, firm, moderately sticky, moderately plastic; 0.5 very fine roots; 0.5 very fine and fine tubular pores; 1 percent medium masses of oxidized iron; fragments; slight effervescence; clear wavy boundary. Lab sample # 92P01218. Concretions show violent effervescence.
    Cr—140 to 152 centimeters (55.1 to 59.8 inches); light olive brown (2.5Y 5/4), olive brown (2.5Y 4/4), moist; clay loam; 28 percent clay; massive; very hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots; fragments; slight effervescence. Lab sample # 92P01219