IDENTIFIERS

  • Current Taxon Name (Soil Name): Matagorda
  • OSD
  • Series Extent
  • User Site ID: S1970TX057023
  • User Pedon ID: 70TX057023
  • Vegetation Plot ID: S1970TX057023
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A4432
  • NCSS Pedon Lab Data NASIS Record ID - 40585
  • Print Date: 11/13/2025

    • 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: 28.5266666
  • Std. Longitude: -96.5494461
  • Datum: WGS84
  • Location Description: 5 mi SW & SE of Hwy 238 to intersection Hwy 316 2.8 mi SE & E of Hwy, 0.2 mi N on sand ridge
  • State: Texas
  • County: TX057—Calhoun

    • PEDON

  • Describers Name: Irvin C. Mowery
  • Current Taxonomic Class: Fine, mixed, active, hyperthermic Typic Natraqualfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 23
  • Correlated Information:
  • Soil Name - Matagorda
  • Classificaton Date - 7/30/2008
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Matagorda
  • Classificaton Date - 1/1/1970
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/1/1970 (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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ERSEO

    Eragrostis secundiflora ssp. oxylepis

    red lovegrass

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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

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    2

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    1A1—0 to 25 centimeters (0.0 to 9.8 inches); brown (10YR 5/3) interior, pale brown (10YR 6/3) interior, dry; very fine sandy loam; structureless massive; hard, friable; 0.5 fine roots; fragments; very strongly acid, pH 5.0, hellige-truog; abrupt wavy boundary. Lab sample # 40A33900. few fine roots
    1B21t—25 to 38 centimeters (9.8 to 15.0 inches);, very pale brown (10YR 7/4) interior, dry; sandy clay; 1 percent reddish yellow (7.5YR 6/6) fine faint and 1 percent light brownish gray (10YR 6/2) fine faint mottles; strong medium and coarse blocky structure; very hard, firm, very sticky; 2.5 fine roots; , dry, coats on faces of peds; fragments; moderately acid, pH 6.0, hellige-truog; gradual wavy boundary. Lab sample # 40A33901. sand-filled cracks 1/4" wide extend down from low part of subsoil wave; common fine roots; few fine faint 7.5YR66 mottles; few fine faint 10YR62 mottles; patchy - phpvsfiid 213423; patchy - phpvsfiid 213423
    1B22t—38 to 81 centimeters (15.0 to 31.9 inches); grayish brown (2.5Y 5/2) interior, light brownish gray (2.5Y 6/2) interior, dry; sandy clay loam; moderate coarse blocky structure; very hard, firm, moderately sticky; 0.5 fine roots; prominent clay films; 1 percent iron-manganese concretions; fragments; slightly acid, pH 6.5, hellige-truog; gradual smooth boundary. Lab sample # 40A33902. sand-filled cracks 1/8" wide; peds adjacent to cracks have dark coatings as in the B21t horizon; few iron-manganese concretions concentrations; few fine roots; continuous - phpvsfiid 228392; continuous - phpvsfiid 228392
    1B23t—81 to 114 centimeters (31.9 to 44.9 inches); light gray (10YR 7/1) interior, light gray (10YR 7/1) interior, dry; sandy clay loam; 11 percent light gray (10YR 7/2) medium faint and 11 percent reddish yellow (5YR 6/6) fine distinct mottles; weak coarse blocky structure; 0.5 fine roots; 2.5 fine tubular pores; clay films; 11 percent iron-manganese concretions; fragments; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. Lab sample # 40A33903. few thin sand-filled cracks; saline; common iron-manganese concretions concentrations; few fine roots; common medium faint 10YR72 mottles; common fine distinct 5YR66 mottles; patchy - phpvsfiid 228393; patchy - phpvsfiid 228393
    1B3t—114 to 147 centimeters (44.9 to 57.9 inches); grayish brown (10YR 5/2) interior, light brownish gray (10YR 6/2) interior, dry; sandy clay loam; 11 percent reddish yellow (7.5YR 6/6) medium distinct mottles; weak coarse blocky structure; very hard, firm, moderately sticky; 1 percent iron-manganese concretions; fragments; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. Lab sample # 40A33904. few iron-manganese concretions concentrations; common medium distinct 7.5YR66 mottles
    1C—147 to 188 centimeters (57.9 to 74.0 inches);, pinkish gray (7.5YR 7/2) interior, dry; sandy clay loam; 1 percent yellowish red (5YR 5/6) coarse distinct mottles; structureless massive; very hard, firm, moderately sticky; 0.5 fine tubular pores; 1 percent iron-manganese concretions; fragments; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 40A33905. few soft lumps & hard concretions of CaCO3; saline; few iron-manganese concretions concentrations; few coarse distinct 5YR56 mottles