IDENTIFIERS

  • Current Taxon Name (Soil Name): Pokorny
  • OSD
  • Series Extent
  • User Site ID: 31104-H4-902
  • User Pedon ID: S06-TX109-902
  • Vegetation Plot ID: 31104-H4-902
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 07N0078
  • Print Date: 12/4/2024

    • 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: 31.8686667
  • Std. Longitude: -104.3306389
  • Datum: WGS84
  • Country: US—United States
  • State: Texas
  • County: TX109—Culberson
  • MLRA: 42—Southern Desertic Basins, Plains, and Mountains
  • Non-MLRA Soil Survey Area: TX109—Culberson County, Texas
  • 7.5 Minute USGS Quad: 31104-H4—Alligator Draw, Texas

    • PEDON

  • Describers Name: Lynn Loomis, Wayne Hudnall, Philip Schoeneberger, Arlene Tugel, Greg Cates
  • Current Taxonomic Class: Gypsic, thermic Ustic Petrogypsids
  • Pedon Record Orgin: PedonPC
  • Pedon #: 902
  • Sampled As Information:
  • Soil Name - Pokorny
  • Taxonomic Class - Gypsic, thermic Ustic Petrogypsids
  • PSC - 25 to 42 cm.
  • Classificaton Date - 10/23/2006
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Geology: Pcs formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/23/2006 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    RHMI3

    Rhus microphylla

    littleleaf sumac

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    petrogypsic

    petrogypsic

    moderately coherent

    weakly coherent

    42 - 95

    95 - 200

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    gypsic horizon

    petrogypsic horizon

    0—3

    3—42

    4—200

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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

    0.6

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    1090.4

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    A—0 to 3 centimeters (0.0 to 1.2 inches); yellowish brown (10YR 5/4) broken face, brown (10YR 4/3) broken face, moist; gypsiferous fine sandy loam; weak thin platy structure; extremely weakly coherent, slightly sticky, slightly plastic; low excavation difficulty; 2.0 very fine roots throughout and 2.0 fine roots throughout; ; 1 percent medium distinct platy moderately coherent cemented carbonate masses with sharp boundaries along lamina or strata surfaces and 2 percent very coarse prominent irregular noncoherent cemented insect casts with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 07N00493; observed in trench
    By1—3 to 15 centimeters (1.2 to 5.9 inches); white (10YR 8/1) broken face, white (10YR 8/1) broken face, moist; gypsiferous sandy loam; moderate medium subangular blocky parts to moderate fine subangular blocky structure; very weakly coherent, slightly sticky, moderately plastic; high excavation difficulty; 2.0 very fine roots throughout and 1.0 medium roots throughout and 2.0 fine roots throughout; fragments; slight effervescence, by hcl, 1n; gradual smooth boundary. Lab sample # 07N00494; observed in trench
    By2—15 to 42 centimeters (5.9 to 16.5 inches); white (10YR 8/1) broken face, pale yellow (2.5Y 8/2) broken face, moist; gypsiferous sandy loam; moderate coarse prismatic structure; very weakly coherent, very sticky, moderately plastic; brittle; moderate excavation difficulty; 2.0 very fine roots in cracks and 1.0 medium roots in cracks and 3.0 fine roots in cracks; 2 percent prominent carbonate coats on vertical faces of peds; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # 07N00495; observed in trench. continuous - phpvsfiid 397720; continuous - phpvsfiid 397720
    Bym1—42 to 71 centimeters (16.5 to 28.0 inches); very pale brown (10YR 8/3) broken face, light yellowish brown (10YR 6/4) broken face, moist; gypsiferous loam; strong coarse prismatic structure; moderately coherent, moderately sticky, slightly plastic; brittle; very high excavation difficulty; 1.0 very fine roots in cracks and 1.0 medium roots top of horizon and 1.0 fine roots in cracks; 2 percent prominent carbonate coats on vertical faces of peds; fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 07N00496; observed in trench. continuous - phpvsfiid 397721; continuous - phpvsfiid 397721
    Bym2—71 to 95 centimeters (28.0 to 37.4 inches); white (10YR 8/1) broken face, pale yellow (2.5Y 8/3) broken face, moist; gypsiferous loam; strong coarse prismatic structure; moderately coherent, moderately sticky, moderately plastic; brittle; very high excavation difficulty; 0.1 very fine roots in cracks and 0.1 fine roots in cracks; 2 percent prominent carbonate coats on vertical faces of peds; fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 07N00497; observed in trench. continuous - phpvsfiid 397722; continuous - phpvsfiid 397722
    Bym3—95 to 132 centimeters (37.4 to 52.0 inches); 10YR (10YR/),, 2.5Y (2.5Y/),, moist; gypsiferous loam; strong coarse prismatic structure; weakly coherent, slightly sticky, slightly plastic; brittle; very high excavation difficulty; 0.1 very fine roots in cracks and 0.1 fine roots in cracks; 2 percent prominent carbonate coats on vertical faces of peds; fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 07N00498; observed in trench. continuous - phpvsfiid 397723; continuous - phpvsfiid 397723
    Bym4—132 to 200 centimeters (52.0 to 78.7 inches); 10YR (10YR/),, 2.5Y (2.5Y/),, moist; gypsiferous loam; strong coarse prismatic structure; weakly coherent, slightly sticky, nonplastic; brittle; very high excavation difficulty; 0.1 very fine roots in cracks and 0.1 fine roots in cracks; 2 percent prominent carbonate coats on vertical faces of peds; fragments; strong effervescence, by hcl, 1n. Lab sample # 07N00499; observed in trench. continuous - phpvsfiid 397724; continuous - phpvsfiid 397724