IDENTIFIERS

  • Current Taxon Name (Soil Name): Guest
  • OSD
  • Series Extent
  • User Site ID: S1974AZ019009
  • User Pedon ID: S1974AZ019009
  • Vegetation Plot ID: S1974AZ019009
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 74C0180
  • NCSS Pedon Lab Data NASIS Record ID - 44941
  • Print Date: 2/17/2025

    • 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: 32.0952797
  • Std. Longitude: -110.8591690
  • Datum: WGS84
  • Township: 15S
  • Range: 14E
  • Section: 25
  • PLSS Details: 600 feet WSW of the E 1/4 corner
  • State: Arizona
  • County: AZ019—Pima
  • MLRA: 40—Sonoran Basin and Range
  • Non-MLRA Soil Survey Area: AZ669—Pima County, Arizona, Eastern Part

    • PEDON

  • Describers Name: ML Richardson, R Barmore, D Hendricks, WD Nettleton
  • Current Taxonomic Class: Fine, mixed, superactive, calcareous, thermic Ustertic Torrifluvents
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 9
  • Correlated Information:
  • Soil Name - Guest
  • PSC - 23 to 73 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Stellar
  • Classificaton Date - 12/19/1974
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: mixed old alluvium derived from igneous and sedimentary rock
  • Landform: nearly level and slightly concave broad swale
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/19/1974 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    AGSM

    LATR2

    PLMU3

    PROSO

    Agropyron smithii

    Larrea tridentata

    Pleuraphis mutica

    Prosopis

    —

    creosote bush

    tobosagrass

    mesquite

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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

    1

    —

    —

    853

    —

    —

    —

    —

    —

    —

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    A11—0 to 3 centimeters (0.0 to 1.2 inches); brown (10YR 5/3), dark brown (7.5YR 3/2), moist; silty clay loam; weak fine and medium platy parts to moderate fine and medium granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 21.0 very fine and fine roots and 0.5 medium roots; 21.0 very fine interstitial and 3.0 very fine tubular pores; fragments; moderately alkaline, pH 8.0, cresol red; clear wavy boundary. Lab sample # 74C01067
    A12—3 to 23 centimeters (1.2 to 9.1 inches); brown (7.5YR 5/2), brown (7.5YR 4/2), moist; silty clay loam; weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, moderately plastic; 21.0 very fine and fine roots and 0.5 medium roots; 3.0 very fine tubular and 3.0 very fine interstitial pores; fragments; moderately alkaline, pH 8.0, cresol red; clear wavy boundary. Lab sample # 74C01068
    B21t—23 to 49 centimeters (9.1 to 19.3 inches); brown (7.5YR 4/2), dark brown (7.5YR 3/2), moist; silty clay; moderate medium subangular blocky structure; very hard, friable, moderately sticky, moderately plastic; 21.0 very fine and fine roots and 0.5 medium roots; 3.0 very fine tubular and 3.0 fine and medium interstitial pores; fragments; moderately alkaline, pH 8.0, cresol red; clear wavy boundary. Lab sample # 74C01069
    B22t—49 to 69 centimeters (19.3 to 27.2 inches); dark reddish gray (5YR 4/2), dark reddish brown (5YR 3/3), moist; clay; moderate medium and coarse subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots; 3.0 very fine tubular and 3.0 very fine interstitial pores; fragments; moderately alkaline, pH 8.0, cresol red; clear wavy boundary. Lab sample # 74C01070
    31tca—69 to 102 centimeters (27.2 to 40.2 inches); reddish brown (5YR 5/3), reddish brown (5YR 4/3), moist; clay; weak coarse angular blocky structure; very hard, friable, moderately sticky, moderately plastic; 3.0 very fine roots; 21.0 very fine tubular and 0.5 fine interstitial pores; fragments; moderately alkaline, pH 8.0, cresol red; clear wavy boundary. Lab sample # 74C01071
    B32tca—102 to 152 centimeters (40.2 to 59.8 inches); reddish brown (5YR 4/4) and yellowish red (5YR 4/6), yellowish red (5YR 4/6), moist; sandy clay; massive; hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots; 21.0 very fine tubular pores; 15 percent by volume 2-?-75 millimeter unspecified fragments; moderately alkaline, pH 8.0, cresol red. Lab sample # 74C01072