IDENTIFIERS

  • Current Taxon Name (Soil Name): Reagan
  • OSD
  • Series Extent
  • User Site ID: S83TX371001
  • User Pedon ID: S83TX371001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - TAMU
  • Lab Pedon # - S83TX371001
  • Print Date: 12/6/2025

    • 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: 30.8973141
  • Std. Longitude: -102.3492279
  • Datum: WGS84
  • Location Description: Approximately 4.8 km west of Bakersfield on I-10 to the University of Texas Experimental Vineyard. Site is 30 meters east of 10 acre vineyard fence in rangeland and due east of rows 76 and 77.
  • State: Texas
  • County: TX371—Pecos
  • MLRA: 81A—Edwards Plateau, Western Part
  • Non-MLRA Soil Survey Area: TX371—Pecos County, Texas
  • 7.5 Minute USGS Quad: 30102-H3—Bakersfield, Texas

    • PEDON

  • Describers Name: J.R., C.T., C.H.
  • Current Taxonomic Class: Fine-silty, thermic Ustic Haplocalcids
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: 1986 Characterization Data For Selected Texas Soils
  • Sampled As Information:
  • Soil Name - Reagan
  • Taxonomic Class - Fine-silty, thermic Ustic Haplocalcids
  • Classificaton Date - 5/2/1983
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Drainage Class: well
  • Geology: Quaternary Sediments formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/2/1983 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    calcic horizon

    0—15

    15—73

    73—267

    —-

    —-

    —-
    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

    0.5

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    Ak1—0 to 7 centimeters (0.0 to 2.8 inches); light gray (10YR 7/2), grayish brown (10YR 5/2), moist; silt loam; moderate fine platy, and moderate medium platy structure; slightly hard, very friable; 2.0 medium roots and 2.0 fine roots; 0.5 fine pores; ; 1 percent threadlike carbonate masses on vertical faces of peds; fragments; strong effervescence; moderately alkaline, pH 8.2; abrupt smooth boundary. Lab sample # TAMU1665
    Ak2—7 to 15 centimeters (2.8 to 5.9 inches); light gray (10YR 7/2), brown (10YR 5/3), moist; silt loam; weak fine subangular blocky, and weak fine granular structure; slightly hard, very friable; 2.0 medium roots and 2.0 fine roots; 2.0 fine pores; 1 percent threadlike carbonate masses on vertical faces of peds; fragments; strong effervescence; moderately alkaline, pH 8.2; clear smooth boundary. Lab sample # TAMU1666
    Bk1—15 to 47 centimeters (5.9 to 18.5 inches); light gray (10YR 7/2), brown (10YR 4/3), moist; silty clay loam; moderate medium subangular blocky, and granular structure; slightly hard, very friable; 2.0 medium roots and 2.0 fine roots; 2.0 very fine pores; 1 percent threadlike carbonate masses on vertical faces of peds; 1 percent by volume 2-?-75 millimeter limestone, unspecified fragments; strong effervescence; moderately alkaline, pH 8.2; clear wavy boundary. Lab sample # TAMU1667
    Bk2—47 to 73 centimeters (18.5 to 28.7 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; clay loam; moderate fine subangular blocky structure; hard, friable; 0.5 fine roots; 0.5 very fine pores; 10 percent threadlike carbonate masses on vertical faces of peds; 1 percent by volume limestone, unspecified fragments; strong effervescence; moderately alkaline, pH 8.2; diffuse wavy boundary. Lab sample # TAMU1668
    Bk3—73 to 106 centimeters (28.7 to 41.7 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; silty clay loam; moderate fine subangular blocky, and medium subangular blocky structure; hard, firm; 0.5 very fine roots; 0.5 very fine pores; 20 percent carbonate coats; 20 percent threadlike carbonate masses; 1 percent by volume limestone, unspecified fragments; violent effervescence; moderately alkaline, pH 8.2; diffuse wavy boundary. Lab sample # TAMU1669
    Bk4—106 to 145 centimeters (41.7 to 57.1 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; clay loam; moderate medium prismatic, and medium subangular blocky structure; very hard, very firm; 2.0 fine pores; 1 percent threadlike carbonate masses on vertical faces of peds; fragments; strong effervescence; moderately alkaline, pH 8.2; diffuse smooth boundary. Lab sample # TAMU1670
    Bk5—145 to 267 centimeters (57.1 to 105.1 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; silty clay loam; moderate medium prismatic, and medium subangular blocky structure; very hard, firm; 2.0 fine pores; 1 percent threadlike carbonate masses on vertical faces of peds; 1 percent by volume 2-?-75 millimeter limestone, unspecified fragments; positive to alpha-alpha dipyridyl; strong effervescence; moderately alkaline, pH 8.2. Lab sample # TAMU1671