IDENTIFIERS

  • Current Taxon Name (Soil Name): Gunsight
  • OSD
  • Series Extent
  • User Site ID: S1981AZ027003
  • User Pedon ID: 81AZ027003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 81P0382
  • NCSS Pedon Lab Data NASIS Record ID - 49226
  • 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: 33.7094994
  • Std. Longitude: -114.3794022
  • Datum: WGS84
  • Township: 4N
  • Range: 21W
  • Section: 1
  • PLSS Details: 3500 feet E and 200 feet N of SW corner
  • Location Description: Yuma Co. Seventy mile Wash at S end of Reservation.
  • State: Arizona
  • County: AZ012—La Paz
  • PEDON

  • Describers Name: R.C. Herriman, D.M. Hendricks, W.D. Nettleton
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 3
  • Sampled As Information:
  • Soil Name - Gunsight
  • Classificaton Date - 1/1/1981
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

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

    SITE OBSERVATION

  • Observation Date: 1/1/1981 (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

    220

    102

    4

    A2—0 to 3 centimeters (0.0 to 1.2 inches); brown (7.5YR 4/4) interior, light brown (7.5YR 6/4) interior, dry; extremely gravelly loam; weak fine platy, and moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary. Lab sample # 81P02077. 90% pebbles on desert pavement surface; common salt crystals on underside of peds.; effervescence is continuous
    B21tca—3 to 10 centimeters (1.2 to 3.9 inches); brown (7.5YR 4/4) interior, light brown (7.5YR 6/4) interior, dry; gravelly sandy loam; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, nonplastic; yellowish red (5YR 4/6) clay films on rock fragments; 25 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 81P02078. Etched CaCO3 coatings on undersides of pebbles.; effervescence is continuous
    B22tca—10 to 28 centimeters (3.9 to 11.0 inches); brown (7.5YR 5/4) interior, light brown (7.5YR 6/4) interior and pink (7.5YR 7/4) interior, dry; very gravelly sandy loam; massive; very hard, friable, weakly cemented, nonsticky, nonplastic; 15 percent reddish brown (5YR 5/4) clay films on rock fragments; 30 percent lime masses; 20 percent by volume 75-162-250 millimeter unspecified fragments and 35 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.2, hellige-truog; gradual irregular boundary. Lab sample # 81P02079. surface of some pebbles coated with dark brown (7.5YR 4/4) soil; many soft masses of lime concentrations; few clay films surface features on rock fragments; effervescence is continuous
    B3tca—28 to 66 centimeters (11.0 to 26.0 inches); brown (7.5YR 5/4) interior, light brown (7.5YR 6/4) interior, dry; very gravelly sandy loam; massive; hard, friable, slightly sticky, nonplastic; 15 percent brown (7.5YR 5/4) clay films on rock fragments; 30 percent lime masses; 15 percent by volume 75-162-250 millimeter unspecified fragments and 40 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 81P02080. many soft masses of lime concentrations; few clay films surface features on rock fragments; effervescence is continuous
    2B2btca—66 to 104 centimeters (26.0 to 40.9 inches); brown (7.5YR 5/4) interior, light brown (7.5YR 6/4) interior, dry; very gravelly sandy loam; massive; hard, friable, slightly sticky, slightly plastic; brown (7.5YR 4/4) clay films on rock fragments; 15 percent by volume 75-162-250 millimeter unspecified fragments and 30 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 81P02081. effervescence is continuous
    3C1ca—104 to 142 centimeters (40.9 to 55.9 inches); brown (10YR 5/3) interior, very pale brown (10YR 7/3) interior, dry; very gravelly loamy sand; massive; hard, very friable, nonsticky, nonplastic; 30 percent lime masses; 20 percent by volume 75-162-250 millimeter unspecified fragments and 55 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 81P02082. many soft masses of lime concentrations; effervescence is continuous
    3C2—142 to 165 centimeters (55.9 to 65.0 inches); brown (10YR 5/3) interior, very pale brown (10YR 7/3) interior, dry; extremely gravelly loamy sand; massive; hard, very friable, nonsticky, nonplastic; 20 percent by volume 75-162-250 millimeter unspecified fragments and 55 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence, by hcl, unspecified; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 81P02083. effervescence is continuous