IDENTIFIERS

  • Current Taxon Name (Soil Name): Harqua
  • OSD
  • Series Extent
  • User Site ID: S1971AZ013007
  • User Pedon ID: S1971AZ013007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 71C0018
  • NCSS Pedon Lab Data NASIS Record ID - 43877
  • Print Date: 3/2/2025

    • 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: 33.3331299
  • Std. Longitude: -112.8990784
  • Datum: WGS84
  • Township: 1S
  • Range: 6W
  • Section: 20
  • PLSS Details: 1135 feet east and 270 feet south of the NW corner
  • 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 Haplargids
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 7
  • Sampled As Information:
  • Soil Name - Harqua
  • Taxonomic Class - Fine-loamy, mixed, hyperthermic Typic Haplargids
  • PSC - 3 to 53 cm.
  • Classificaton Date - 4/13/1971
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/13/1971 (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

    1

    —

    —

    335

    —

    178

    —

    —

    21.1

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    —

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    —

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    A2—0 to 3 centimeters (0.0 to 1.2 inches); pale brown (10YR 6/3) and light brownish gray (10YR 6/2), brown (10YR 4/3), moist; very gravelly loam; weak thin platy structure; slightly hard, very friable, slightly sticky, moderately plastic; 0.5 fine roots; medium and coarse and 21.0 fine vesicular pores; 70 percent by volume subangular 2-39-75 millimeter unspecified fragments; strong effervescence; moderately alkaline, pH 8.2, thymol-blue; abrupt smooth boundary. Lab sample # 71C00105; dry when described;. 80 percent of the surface is covered with a varnished desert pavement
    B1TCA—3 to 9 centimeters (1.2 to 3.5 inches); light reddish brown (5YR 6/4), reddish brown (5YR 5/4) and yellowish red (5YR 4/6), moist; gravelly loam; moderate fine subangular blocky structure; hard when dry, friable, slightly sticky, slightly plastic; 0.5 fine roots; 21.0 fine interstitial pores; 21 percent fine and medium irregular noncoherent cemented pinkish white (7.5YR 8/2) lime masses; 30 percent by volume subangular 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.3, thymol-blue; abrupt smooth boundary. Lab sample # 71C00106; dry when described;
    B21TCASA—9 to 21 centimeters (3.5 to 8.3 inches); reddish brown (5YR 5/3) and light reddish brown (5YR 6/3), reddish brown (5YR 5/4) and reddish brown (5YR 4/4), moist; gravelly clay loam; moderate fine subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 0.5 fine roots; carbonate concretions and 21 percent fine and medium irregular pinkish white (7.5YR 8/2) lime masses; 30 percent by volume subangular 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.4, thymol-blue; clear smooth boundary. Lab sample # 71C00107; dry when described;. many fine and medium pinkish white irregularly shaped soft lime masses and seams of lime; conductivity 40 mmhos.
    B22TCASA—21 to 56 centimeters (8.3 to 22.0 inches); reddish brown (5YR 5/3) and light reddish brown (5YR 6/3), reddish brown (5YR 5/4) and reddish brown (5YR 4/4), moist; gravelly clay loam; moderate fine subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 0.5 fine tubular and 21.0 fine interstitial pores; carbonate concretions and 21 percent fine and medium irregular noncoherent cemented pinkish white (7.5YR 8/2) lime masses; 35 percent by volume angular 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.3, thymol-blue; clear wavy boundary. Lab sample # 71C00108; dry when described;. many fine and medium pinkish white irregularly shaped soft lime masses and seams of lime; conductivity 45+ mmhos.
    B31tcasa—56 to 84 centimeters (22.0 to 33.1 inches); light reddish brown (5YR 6/3) and reddish brown (5YR 5/3) and reddish brown (5YR 5/4), reddish brown (5YR 4/4) and yellowish red (5YR 4/6) and yellowish red (5YR 4/6), moist; gravelly sandy clay loam; weak medium subangular blocky structure; hard when dry, very friable, slightly sticky, moderately plastic; 21.0 fine interstitial pores; carbonate concretions and 3 percent fine gypsum crystals, unspecified and 3 percent fine and medium irregular noncoherent cemented pinkish white (7.5YR 8/2) lime masses; 15 percent by volume subangular 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.3, thymol-blue; gradual wavy boundary.; dry when described;. many fine and medium pinkish white irregularly shaped soft lime masses and seams of lime; conductivity 45+ mmhos.
    B32tcasa—84 to 132 centimeters (33.1 to 52.0 inches); reddish brown (5YR 5/3) and reddish brown (5YR 5/4), light reddish brown (5YR 6/3) and reddish brown (5YR 5/3), moist; sandy clay loam; massive; hard when dry, very friable, slightly sticky, moderately plastic; 21.0 fine interstitial pores; 3 percent fine gypsum crystals, unspecified and 3 percent fine and medium irregular pinkish white (7.5YR 8/2) lime masses; 45 percent by volume subangular 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.3, thymol-blue; abrupt smooth boundary.; dry when described;. 1 to 2 inch thick seam of lime ash at bottom of this horizon; conductivity 45+ mmhos.
    2Cca—132 to 156 centimeters (52.0 to 61.4 inches); pinkish gray (5YR 6/2) and light reddish brown (5YR 6/3) and reddish brown (5YR 5/3), light reddish brown (5YR 6/3) and reddish brown (5YR 5/3), moist; clay loam; moderate medium angular blocky structure; extremely hard, firm, slightly sticky, moderately plastic; 0.1 fine tubular pores; in root channels and/or pores and 21 percent black (10YR 2/1) manganese or iron-manganese stains on faces of peds; 3 percent fine gypsum crystals, unspecified and 3 percent fine irregular noncoherent cemented pinkish white (7.5YR 8/2) carbonate concretions; fragments; slight effervescence; strongly alkaline, pH 8.8, thymol-blue.; dry when described;