IDENTIFIERS

  • Current Taxon Name (Soil Name): Arvada
  • OSD
  • Series Extent
  • User Site ID: S1987CO073001
  • User Pedon ID: 87CO073001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0261
  • NCSS Pedon Lab Data NASIS Record ID - 59557
  • Print Date: 2/16/2025

    • 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: 38.5327797
  • Std. Longitude: -103.6216660
  • Datum: WGS84
  • Township: 17S
  • Range: 56W
  • Section: 36
  • PLSS Details: 1530 feet S and 2615 feet W of the NE corner
  • Location Description: Lincoln County, Colorado.
  • State: Colorado
  • County: CO073—Lincoln
  • MLRA: 69—Upper Arkansas Valley Rolling Plains

    • PEDON

  • Describers Name: W. T. Schaefer
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Natrargids
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Arvada
  • Classificaton Date - 7/11/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Arvada
  • Taxonomic Class - Fine, montmorillonitic, mesic Ustollic Natrargid
  • Taxon Kind - series
  • Classificaton Date - 9/1/1987
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: alluvial fan
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1987 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    1

    —

    —

    1470

    —

    135

    —

    —

    —

    —

    —

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    1E—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (10YR 4/2) interior, light brownish gray (10YR 6/2) interior, dry; loam; weak coarse platy structure; soft, very friable, nonsticky, nonplastic; fragments; slightly alkaline, pH 7.4, hellige-truog; abrupt wavy boundary.
    1Btn1—8 to 20 centimeters (3.1 to 7.9 inches); brown (10YR 4/3) interior, brown (10YR 5/3) interior, dry; clay; moderate medium and coarse prismatic, and moderate medium and coarse subangular blocky structure; extremely hard, very firm, moderately sticky, very plastic; fragments; strongly alkaline, pH 8.8, hellige-truog; clear smooth boundary. Lab sample # 87P01307
    1Btn2—20 to 38 centimeters (7.9 to 15.0 inches); brown (10YR 5/3) interior, pale brown (10YR 6/3) interior, dry; clay; weak coarse prismatic, and moderate fine and medium subangular blocky structure; extremely hard, very firm, moderately sticky, very plastic; fragments; strong effervescence, by hcl, 1n; very strongly alkaline, pH 9.4, hellige-truog; clear smooth boundary. Lab sample # 87P01308
    1Btnk—38 to 56 centimeters (15.0 to 22.0 inches); light yellowish brown (10YR 6/4) interior, very pale brown (10YR 7/4) interior, dry; clay loam; moderate medium and coarse subangular blocky structure; very hard, firm, very sticky, very plastic; 11 percent fine carbonate concretions; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 9.0, hellige-truog; clear smooth boundary. Lab sample # 87P01309. common fine carbonate concretions concentrations
    1Bnky1—56 to 74 centimeters (22.0 to 29.1 inches); light yellowish brown (10YR 6/4) interior, very pale brown (10YR 7/4) interior, dry; clay loam; moderate coarse subangular blocky structure; very hard, firm, very sticky, very plastic; 1 percent fine gypsum crystals, unspecified and 11 percent medium carbonate concretions; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 9.0, hellige-truog; gradual smooth boundary. Lab sample # 87P01310. common medium carbonate concretions concentrations; few fine gypsum crystals concentrations
    1Bnky2—74 to 104 centimeters (29.1 to 40.9 inches); light yellowish brown (2.5Y 6/4) interior, pale yellow (2.5Y 7/4) interior, dry; clay loam; moderate medium prismatic, and weak medium subangular blocky structure; very hard, firm, very sticky, very plastic; 11 percent fine carbonate concretions and 1 percent fine gypsum crystals, unspecified; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.8, hellige-truog; gradual wavy boundary. common fine carbonate concretions concentrations; few fine gypsum crystals concentrations
    1Bnky3—104 to 122 centimeters (40.9 to 48.0 inches); light yellowish brown (2.5Y 6/4) interior, pale yellow (2.5Y 7/4) interior, dry; clay loam; weak medium prismatic structure; very hard, firm, very sticky, very plastic; 1 percent fine carbonate concretions and 1 percent fine gypsum crystals, unspecified; fragments; violent effervescence, by hcl, 1n; very strongly alkaline, pH 9.4, hellige-truog; gradual wavy boundary. few fine carbonate concretions concentrations; few fine gypsum crystals concentrations
    1Cky—122 to 152 centimeters (48.0 to 59.8 inches); light yellowish brown (2.5Y 6/4) interior, pale yellow (2.5Y 7/4) interior, dry; clay loam; massive; very hard, friable, moderately sticky, moderately plastic; 11 percent medium carbonate concretions and 11 percent medium gypsum crystals, unspecified; fragments; violent effervescence, by hcl, 1n; very strongly alkaline, pH 9.4, hellige-truog. common medium carbonate concretions concentrations; common medium gypsum crystals concentrations