IDENTIFIERS

  • Current Taxon Name (Soil Name): Casa Grande
  • OSD
  • Series Extent
  • User Site ID: S1971AZ013001
  • User Pedon ID: S1971AZ013001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 71C0013
  • NCSS Pedon Lab Data NASIS Record ID - 43872
  • Print Date: 2/3/2025

    • 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: 33.3736115
  • Std. Longitude: -112.8424988
  • Datum: WGS84
  • Township: 1S
  • Range: 6W
  • Section: 2
  • PLSS Details: 500 feet west of the NE corner of the SE 1/4 of the NW 1/4
  • State: Arizona
  • County: AZ013—Maricopa

    • PEDON

  • Describers Name: W. Nettleton, J. Jay, G. Hartman, R. Schurig, F. Cook
  • Current Taxonomic Class: Fine-loamy, mixed, hyperthermic Typic Natrargids
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Casa Grande
  • Taxonomic Class - Fine-loamy, mixed, hyperthermic Typic Natrargids
  • PSC - 13 to 63 cm.
  • Classificaton Date - 4/12/1971
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: valley floor
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/12/1971 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - other tree cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    —

    —

    335

    —

    178

    —

    —

    21.1

    —

    —

    —

    —

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    —

    —

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    A11—0 to 5 centimeters (0.0 to 2.0 inches); light yellowish brown (10YR 6/4), brown (7.5YR 4/4), moist; sandy loam; weak coarse platy structure; soft, very friable, nonsticky, slightly plastic; 21.0 fine roots; 21.0 fine and medium tubular pores; fragments; slight effervescence; moderately alkaline, pH 8.2, thymol-blue; abrupt smooth boundary. Lab sample # 71C00073; dry when described;
    A12—5 to 13 centimeters (2.0 to 5.1 inches); light yellowish brown (10YR 6/4), brown (7.5YR 4/4), moist; sandy loam; massive; soft, very friable, slightly sticky, slightly plastic; 21.0 fine roots; 21.0 fine and medium tubular pores; fragments; slight effervescence; moderately alkaline, pH 8.3, thymol-blue; abrupt smooth boundary. Lab sample # 71C00074; dry when described;
    B21TCA—13 to 20 centimeters (5.1 to 7.9 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; clay loam; weak coarse columnar structure; hard when dry, friable, moderately sticky, moderately plastic; 3.0 fine roots; medium and coarse interstitial and tubular and 21.0 fine pores; 3 percent coarse irregular noncoherent cemented white (10YR 8/1) lime masses; fragments; strong effervescence; strongly alkaline, pH 8.8, thymol-blue; clear smooth boundary. Lab sample # 71C00075; dry when described;
    B22TCA—20 to 38 centimeters (7.9 to 15.0 inches); reddish brown (5YR 5/4), reddish brown (5YR 4/4), moist; clay loam; moderate fine and medium subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 3.0 fine roots; 3.0 fine interstitial and tubular pores; 3 percent coarse noncoherent cemented white (10YR 8/1) lime masses; 5 percent by volume subangular 2-39-75 millimeter unspecified fragments; strong effervescence; very strongly alkaline, pH 9.2, thymol-blue; gradual smooth boundary. Lab sample # 71C00076; dry when described;
    B23TCA—38 to 54 centimeters (15.0 to 21.3 inches); light reddish brown (5YR 6/4), reddish brown (5YR 4/4), moist; clay loam; moderate fine and medium subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 0.5 fine roots; 0.5 fine tubular and 3.0 fine interstitial pores; 21 percent coarse irregular noncoherent cemented white (10YR 8/1) lime masses; 5 percent by volume subangular 2-39-75 millimeter unspecified fragments; violent effervescence; very strongly alkaline, pH 9.2, thymol-blue; gradual smooth boundary. Lab sample # 71C00077; dry when described;
    B24TCA—54 to 74 centimeters (21.3 to 29.1 inches); light reddish brown (5YR 6/4), reddish brown (5YR 4/4), moist; clay loam; weak fine and medium subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 0.0 roots; 3.0 fine and medium interstitial and tubular pores; 21 percent coarse irregular noncoherent cemented white (10YR 8/1) lime masses; fragments; violent effervescence; strongly alkaline, pH 9.0, thymol-blue; gradual smooth boundary. Lab sample # 71C00078; dry when described;
    B25TCA—74 to 97 centimeters (29.1 to 38.2 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 4/4), moist; sandy clay loam; weak fine and medium subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 21.0 fine interstitial and 0.5 fine tubular pores; 3 percent fine black (10YR 2/1) manganese concretions; 3 percent mica flakes, unspecified and 3 percent fine white (10YR 8/1) lime masses; fragments; strong effervescence; strongly alkaline, pH 8.6, thymol-blue; gradual wavy boundary. Lab sample # 71C00079; dry when described;
    C1—97 to 122 centimeters (38.2 to 48.0 inches); light reddish brown (5YR 6/3), reddish brown (5YR 4/4), moist; silty clay loam; massive; hard when dry, friable, moderately sticky, moderately plastic; 21.0 fine interstitial and 0.5 fine tubular pores; 3 percent fine pinkish white (7.5YR 8/2) lime masses; fragments; noneffervescent; strongly alkaline, pH 8.7, thymol-blue; clear smooth boundary. Lab sample # 71C00080; dry when described;
    2C2—122 to 129 centimeters (48.0 to 50.8 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 4/4), moist; loam; weak fine and medium subangular blocky structure; hard when dry, friable, slightly sticky, slightly plastic; 3.0 fine interstitial pores; 3 percent mica flakes, unspecified and 3 percent pinkish white (7.5YR 8/2) lime masses; fragments; noneffervescent; strongly alkaline, pH 8.6, thymol-blue; abrupt smooth boundary. Lab sample # 71C00081; dry when described;
    3C3—129 to 142 centimeters (50.8 to 55.9 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; silty clay; massive; hard when dry, friable, moderately sticky, moderately plastic; 21.0 fine interstitial and 0.5 fine tubular pores; fragments; strong effervescence; strongly alkaline, pH 8.6, thymol-blue; clear smooth boundary. Lab sample # 71C00082; dry when described;
    3C4—142 to 147 centimeters (55.9 to 57.9 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; very fine sandy loam; massive; hard when dry, friable, slightly sticky, slightly plastic; 0.5 fine interstitial pores; 3 percent mica flakes, unspecified; fragments; noneffervescent; moderately alkaline, pH 8.4, thymol-blue; clear smooth boundary. Lab sample # 71C00083; dry when described;
    4C5—147 to 165 centimeters (57.9 to 65.0 inches); white (10YR 8/1), light gray (10YR 7/2), moist; sandy clay loam; massive; extremely hard, firm, moderately sticky, moderately plastic; 0.5 fine interstitial and tubular pores; 1 percent fine black (10YR 2/1) manganese concretions; fragments; strong effervescence; moderately alkaline, pH 8.3, thymol-blue; abrupt wavy boundary. Lab sample # 71C00084; dry when described;
    5C6—165 to 190 centimeters (65.0 to 74.8 inches); light reddish brown (5YR 6/3), reddish brown (5YR 4/3), moist; sandy loam; massive; extremely hard, firm, moderately sticky, moderately plastic; fragments; strong effervescence; strongly alkaline, pH 8.7, thymol-blue. Lab sample # 71C00085; dry when described;