IDENTIFIERS

  • Current Taxon Name (Soil Name): McAllen
  • OSD
  • Series Extent
  • User Site ID: S1979TX479006
  • User Pedon ID: 79TX479006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 80P0181
  • NCSS Pedon Lab Data NASIS Record ID - 47959
  • 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: 27.6444435
  • Std. Longitude: -99.2111130
  • Datum: WGS84
  • Location Description: From junction of US HWY 59 and Arkansas St in Laredo 34 km E of US HWY 59 15 meters N of fence in rangeland
  • State: Texas
  • County: TX479—Webb

    • PEDON

  • Describers Name: Russell Sanders and Wayne Gabriel
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 6
  • Sampled As Information:
  • Soil Name - McAllen
  • Taxonomic Class - Calciorthids
  • Classificaton Date - 12/1/1979
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/1/1979 (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

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    1A1—0 to 15 centimeters (0.0 to 5.9 inches); grayish brown (10YR 5/2) interior, dark grayish brown (10YR 4/2) interior, moist; clay loam; moderate medium angular blocky structure; very hard, firm; 2.5 fine and medium roots throughout; 0.5 fine tubular pores; fragments; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary. Lab sample # 80P00906. Few waterworn gravel. Noncalcareous but some fine concretions of calcium carbonate effervesce.; common fine and medium roots throughout
    1B21—15 to 36 centimeters (5.9 to 14.2 inches); grayish brown (10YR 5/2) interior, dark grayish brown (10YR 4/2) interior, moist; clay; moderate medium subangular blocky structure; very hard, firm; 0.5 fine roots throughout; fragments; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 80P00907. Few waterworn gravel in upper part.; few fine roots throughout
    2B22—36 to 86 centimeters (14.2 to 33.9 inches); light yellowish brown (10YR 6/4) interior, yellowish brown (10YR 5/4) interior, moist; clay loam; weak fine subangular blocky structure; slightly hard, friable; 0.5 fine roots throughout; fragments; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 80P00908. few fine roots throughout
    2Ccacs—86 to 112 centimeters (33.9 to 44.1 inches); very pale brown (10YR 7/4) interior, light yellowish brown (10YR 6/4) interior, moist; clay loam; weak fine subangular blocky structure; slightly hard, friable; 0.5 fine roots top of horizon; 11 percent lime masses and 11 percent threadlike gypsum masses; fragments; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Not sampled.; common soft masses of lime concentrations; common masses of gypsum concentrations; few fine roots in mat at top of horizon
    3Ccacs—112 to 152 centimeters (44.1 to 59.8 inches); very pale brown (10YR 7/3) interior, brown (10YR 5/3) interior, moist; clay; weak fine subangular blocky structure; hard, firm; 11 percent lime masses and 11 percent threadlike gypsum masses; fragments; moderately alkaline, pH 8.2, hellige-truog. Not sampled.; common soft masses of lime concentrations; common masses of gypsum concentrations