IDENTIFIERS

  • Current Taxon Name (Soil Name): Weld
  • OSD
  • Series Extent
  • User Site ID: S1961CO005007
  • User Pedon ID: S1961CO005007
  • Vegetation Plot ID: S1961CO005007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3935
  • NCSS Pedon Lab Data NASIS Record ID - 39581
  • Print Date: 11/11/2024

    • 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: 39.7050018
  • Std. Longitude: -104.0030594
  • Datum: WGS84
  • Township: 4S
  • Range: 59W
  • Section: 16
  • PLSS Details: 2,162 feet south and 184 feet east of northwest 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 #: 7
  • Sampled As Information:
  • Soil Name - Weld
  • Classificaton Date - 6/28/1961
  • 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: 6/28/1961 (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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    1554

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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; fragments; neutral, pH 6.8, unspecified; clear smooth boundary. Lab sample # 40A30108
    B1—8 to 15 centimeters (3.1 to 5.9 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; moderate medium prismatic parts to moderate medium subangular blocky structure; slightly hard, very friable; 21.0 roots; clay films in root channels and/or pores and on lower surfaces of peds or rocks; fragments; neutral, pH 6.8, unspecified; clear smooth boundary. Lab sample # 40A30109. patchy - phpvsfiid 196751; patchy - phpvsfiid 196751
    B2t—15 to 30 centimeters (5.9 to 11.8 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; silty clay loam; moderate fine prismatic parts to strong very fine and fine angular blocky structure; hard, firm; 21.0 roots; clay films on faces of peds; fragments; neutral, pH 7.0, unspecified; abrupt wavy boundary. Lab sample # 40A30110. Top 1/2 inch of B2 horizon does not have prismatic structure, but the strong grade of very fine angular blocks; this is distinctive for this soil; many roots along prism faces and through blocks.; continuous - phpvsfiid 187201; continuous - phpvsfiid 187201
    B31ca—30 to 53 centimeters (11.8 to 20.9 inches); grayish brown (10YR 5/2), light brownish gray (10YR 6/2), dry; silty clay loam; moderate medium prismatic parts to moderate fine and medium angular blocky, and subangular blocky structure; hard, friable; 21.0 roots; 21.0 fine low-continuity pores; clay films on faces of peds; 3 percent medium carbonate concretions; fragments; violent effervescence; strongly alkaline, pH 8.6, unspecified; gradual smooth boundary. Lab sample # 40A30111. patchy - phpvsfiid 187202; patchy - phpvsfiid 187202
    B32ca—53 to 79 centimeters (20.9 to 31.1 inches); grayish brown (10YR 5/2), light brownish gray (10YR 6/2), dry; silt loam; weak medium and coarse prismatic parts to weak and moderate medium subangular blocky structure; hard, friable; 3.0 roots; 21.0 fine low-continuity pores; clay films in root channels and/or pores; 1 percent fine carbonate concretions; fragments; violent effervescence; strongly alkaline, pH 8.8, unspecified; gradual smooth boundary. Lab sample # 40A30112. patchy - phpvsfiid 196745; patchy - phpvsfiid 196745
    C1ca—79 to 109 centimeters (31.1 to 42.9 inches); brown (10YR 5/3), pale brown (10YR 6/3), dry; silt loam; weak coarse prismatic parts to weak coarse subangular blocky structure; slightly hard, very friable; 3.0 roots; 21.0 fine pores; fragments; violent effervescence; gradual smooth boundary. Lab sample # 40A30113
    C2—109 to 142 centimeters (42.9 to 55.9 inches); brown (10YR 5/3), light brownish gray (10YR 6/2), dry; silt loam; massive; soft, very friable; fine continuous tubular pores; fragments; violent effervescence; abrupt boundary. Lab sample # 40A30114
    C3—142 to 173 centimeters (55.9 to 68.1 inches); brown (10YR 5/3), pale brown (10YR 6/3), dry; silt loam; massive; soft, very friable; fragments; violent effervescence. Lab sample # 40A30115