IDENTIFIERS

  • Current Taxon Name (Soil Name): Cristobal
  • OSD
  • Series Extent
  • User Site ID: S1981AZ027004
  • User Pedon ID: 81AZ027004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 81P0383
  • NCSS Pedon Lab Data NASIS Record ID - 49227
  • 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: 33.7158890
  • Std. Longitude: -114.3838501
  • Datum: WGS84
  • Township: 4N
  • Range: 21W
  • Section: 1
  • PLSS Details: 2000 feet E and 2800 feet S of NW corner
  • Location Description: Yuma County, AZ 70 mi Wash.
  • State: Arizona
  • County: AZ012—La Paz

    • PEDON

  • Describers Name: R.C. Herriman, W.D. Nettleton and D.M. Hendricks
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 4
  • Sampled As Information:
  • Soil Name - Cristobal
  • Taxonomic Class - Loamy-skeletal, mixed Typic Haplargids
  • Classificaton Date - 2/1/1981
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: terrace—stream or lake
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/1/1981 (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

    —

    —

    —

    197

    —

    10

    —

    —

    24

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    —

    —

    —

    —

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    1A2ca—0 to 3 centimeters (0.0 to 1.2 inches); light brown (7.5YR 6/3) interior, brown (7.5YR 4/4) interior, moist; loam; weak fine platy, and moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, slightly plastic; 5 percent by volume 2-39-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # 81P02084. Clods are vesicular; few salt crystals at base of horizon.
    1B1ca—3 to 7 centimeters (1.2 to 2.8 inches); light brown (7.5YR 6/4) interior, 7.5YR 4/ (7.5YR 4/), interior, moist; sandy loam; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 5 percent by volume 75-162-250 millimeter mixed fragments and 15 percent by volume 2-39-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 81P02085
    1B22tca—7 to 18 centimeters (2.8 to 7.1 inches); reddish brown (5YR 5/4) interior, reddish brown (5YR 4/4) interior, moist; very gravelly sandy loam; weak very fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 37 percent prominent yellowish red (5YR 4/6) clay films on rock fragments; 11 percent lime masses; 15 percent by volume 75-162-250 millimeter mixed fragments and 35 percent by volume 2-39-75 millimeter mixed fragments; violent effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 81P02086. Partially weathered granite is common.; common soft masses of lime concentrations; common clay films surface features on rock fragments
    1B23tca—18 to 56 centimeters (7.1 to 22.0 inches); brown (7.5YR 5/4) interior, brown (7.5YR 4/4) interior, moist; extremely gravelly sandy loam; weak very fine subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 37 percent prominent yellowish red (5YR 4/6) clay films on rock fragments; 30 percent carbonate concretions; fragments; violent effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 81P02087. Partially weathered granite is common; horizon is weakly cemented in places; surface of pebbles coated with soil and underside coated with CaCO3.; many lime concretions concentrations; common clay films surface features on rock fragments
    1B3tca—56 to 81 centimeters (22.0 to 31.9 inches); pink (7.5YR 7/3) interior, brown (7.5YR 5/3) interior, moist; extremely gravelly sandy loam; massive; hard, friable, slightly sticky, nonplastic; 37 percent faint brown (7.5YR 4/4) clay films on faces of peds; 20 percent by volume 75-162-250 millimeter mixed fragments and 55 percent by volume 2-39-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 81P02088. Partially weathered granite is common; surface of pebbles coated with soil and underside coated with CaCO3.; common clay films surface features on faces of peds
    1C1ca—81 to 119 centimeters (31.9 to 46.9 inches); light brown (7.5YR 6/3) interior, brown (7.5YR 4/3) interior, moist; extremely gravelly sandy loam; massive; hard, very friable, nonsticky, nonplastic; 20 percent by volume 75-162-250 millimeter mixed fragments and 55 percent by volume 2-39-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 81P02089. Partially weathered granite is common; few thin dark brown bands(7.5YR 4/4).
    1C2—119 to 152 centimeters (46.9 to 59.8 inches); light brown (7.5YR 6/3) interior, brown (7.5YR 4/3) interior, moist; extremely gravelly sandy loam; massive; hard, very friable, nonsticky, nonplastic; 20 percent by volume 75-162-250 millimeter mixed fragments and 55 percent by volume 2-39-75 millimeter mixed fragments; slight effervescence, by hcl, 1n. Lab sample # 81P02090. Partially weathered granite is common. Few thin dark brown bands (7.5YR 4/4).