IDENTIFIERS

  • Current Taxon Name (Soil Name): Weld
  • OSD
  • Series Extent
  • User Site ID: S1961CO005003
  • User Pedon ID: S1961CO005003
  • Vegetation Plot ID: S1961CO005003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3934
  • NCSS Pedon Lab Data NASIS Record ID - 39580
  • 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: 39.5961113
  • Std. Longitude: -103.9555588
  • Datum: WGS84
  • Township: 5S
  • Range: 59W
  • Section: 23
  • PLSS Details: 3,400 feet east and 328 feet north of the southeast corner
  • Location Description: Arapahoe County, Colorado.
  • State: Colorado
  • County: CO005—Arapahoe
  • Non-MLRA Soil Survey Area: CO005—Arapahoe County, Colorado

    • PEDON

  • Describers Name: J. B. Brown
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Sampled As Information:
  • Soil Name - Weld
  • Classificaton Date - 6/27/1961
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/27/1961 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    BOGR2

    OPUNT

    PASM

    Bouteloua gracilis

    Opuntia

    Pascopyrum smithii

    blue grama

    pricklypear

    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

    2

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    1646

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    90

    356

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    9.4

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    A1—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; weak medium subangular blocky parts to moderate fine granular structure; soft, very friable; 21.0 roots; fragments; neutral, pH 6.8, unspecified; clear smooth boundary. Lab sample # 40A30100
    B1—8 to 15 centimeters (3.1 to 5.9 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; silt loam; weak and moderate medium prismatic parts to weak and moderate subangular blocky structure; slightly hard, very friable; 21.0 roots; clay films in root channels and/or pores; fragments; neutral, pH 6.8, unspecified; clear smooth boundary. Lab sample # 40A30101. patchy - phpvsfiid 187211; patchy - phpvsfiid 187211
    B2t—15 to 30 centimeters (5.9 to 11.8 inches); dark brown (10YR 3/3) and brown (10YR 4/3), brown (10YR 4/3), dry; silty clay loam; moderate fine prismatic parts to strong very fine and fine angular blocky structure; hard, firm; 21.0 roots; 21.0 pores; clay films on faces of peds; fragments; neutral, pH 7.0, unspecified; abrupt wavy boundary. Lab sample # 40A30102. Top 1/2 inch of B2 has no macro structure, but the fine and very fine angular blocks are distinctive.; continuous - phpvsfiid 187212; continuous - phpvsfiid 187212
    B2ca—30 to 38 centimeters (11.8 to 15.0 inches); brown (10YR 5/3), brown (10YR 5/3), dry; silty clay loam; moderate fine and medium prismatic parts to strong fine angular blocky, and subangular blocky structure; hard, friable; 21.0 roots; clay films on faces of peds; fragments; violent effervescence; moderately alkaline, pH 8.4, unspecified; clear smooth boundary. Lab sample # 40A30103. patchy - phpvsfiid 187213; patchy - phpvsfiid 187213
    B31ca—38 to 56 centimeters (15.0 to 22.0 inches); brown (10YR 5/3), pale brown (10YR 6/3), dry; silty clay loam; moderate medium prismatic parts to moderate medium angular blocky, and subangular blocky structure; hard, friable; 3.0 roots; clay films on vertical faces of peds; fragments; violent effervescence; strongly alkaline, pH 9.0, unspecified; gradual smooth boundary. Lab sample # 40A30104. This horizon contains some roots and many holes less than one millimeter in diameter.
    B32ca—56 to 81 centimeters (22.0 to 31.9 inches); brown (10YR 5/3), pale brown (10YR 6/3), dry; weak and moderate medium prismatic parts to weak and moderate medium subangular blocky structure; slightly hard, friable; 0.5 roots; 10 percent clay films on faces of peds; 1 percent carbonate concretions; fragments; violent effervescence; strongly alkaline, pH 8.8, unspecified; gradual smooth boundary. Lab sample # 40A30105. Few roots but many pores less than one millimeter in diameter.
    C1ca—81 to 122 centimeters (31.9 to 48.0 inches); brown (10YR 5/3), pale brown (10YR 6/3), dry; silt loam; weak coarse prismatic structure; slightly hard, very friable; 0.1 roots; fine continuous tubular pores; fragments; violent effervescence; strongly alkaline, pH 8.8, unspecified; diffuse boundary. Lab sample # 40A30106. Some lime mycelia.
    C2—122 to 160 centimeters (48.0 to 63.0 inches); yellowish brown (10YR 5/4), pale brown (10YR 6/3), dry; silt loam; massive; soft, very friable; fine continuous tubular pores; fragments; violent effervescence. Lab sample # 40A30107