IDENTIFIERS

  • Current Taxon Name (Soil Name): Katy
  • OSD
  • Series Extent
  • User Site ID: S1995TX089001
  • User Pedon ID: 95TX089001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 95P0489
  • NCSS Pedon Lab Data NASIS Record ID - 67507
  • Print Date: 11/21/2024

    • 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: 29.6720829
  • Std. Longitude: -96.3013916
  • Datum: WGS84
  • Location Description: In Columbus, from the intersection of Interstate Highway 10 and Texas Highway 71, 9.8 miles south on Texas Highway 71, 9.5 miles east on US Highway Alternate 90 to Farm Road 3013 in Eagle Lake, 6.0 miles northeast on Farm Road 3013, 1.0 mile northwest on paved road to Attwater Prairie Chicken National Wildlife Refuge gate, 1.1 miles northeast on gravel road to headquarters, 1.0 miles west on refuge road, 1.25 miles west on refuge road, 0.2 mile northwest on refuge road, and 200 feet west of road rangeland.
  • State: Texas
  • County: TX089—Colorado
  • MLRA: 150A—Gulf Coast Prairies
  • Non-MLRA Soil Survey Area: TX089—Colorado County, Texas
  • 7.5 Minute USGS Quad: 29096-F3—Eagle Lake NE, Texas

    • PEDON

  • Describers Name: Alan Terrell, Conrad Neitsch, Wesley Miller, Glen Chervenka, Dr. Richard Griffin, Sam Brown, David Wagner, and James Douglass
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Katy
  • Taxonomic Class - Fine-loamy, siliceous Oxyaquic Paleudalfs
  • PSC - 79 to 129 cm.
  • Classificaton Date - 4/24/1995
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: coastal plain
  • Landform: ridge
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/24/1995 (actual site observation date)
  • Air Photo ID: AS-20
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous 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

    —

    —

    56

    —

    0

    —

    —

    —

    —

    —

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    A1—0 to 14 centimeters (0.0 to 5.5 inches); dark brown (10YR 3/3) fine sandy loam; weak coarse prismatic parts to moderate medium subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 21.0 fine and medium roots; 21.0 fine and medium tubular pores; 1 percent worm casts; 2 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 95P03678
    A2—14 to 35 centimeters (5.5 to 13.8 inches); brown (10YR 4/3) fine sandy loam; weak coarse prismatic parts to moderate medium subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 21.0 fine and medium roots; 21.0 fine and medium tubular pores; 1 percent worm casts; 1 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 95P03679
    E1—35 to 61 centimeters (13.8 to 24.0 inches); yellowish brown (10YR 5/4) fine sandy loam; weak coarse prismatic parts to moderate medium subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 21.0 fine and medium roots; 21.0 fine and medium tubular pores; 2 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # 95P03680
    E2—61 to 79 centimeters (24.0 to 31.1 inches); yellowish brown (10YR 5/4) fine sandy loam; weak coarse prismatic parts to moderate coarse subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 21.0 fine and medium roots; 21.0 fine and medium tubular pores; 2 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # 95P03681
    Bt1—79 to 94 centimeters (31.1 to 37.0 inches); brown (10YR 5/3) sandy clay loam; moderate coarse prismatic parts to moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 3.0 fine roots; 3.0 fine and medium tubular pores; 4 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 95P03682
    Bt2—94 to 121 centimeters (37.0 to 47.6 inches); pale brown (10YR 6/3) clay loam; strong coarse prismatic parts to moderate coarse subangular blocky structure; hard, firm, very sticky, very plastic; 3.0 fine roots; 3.0 very fine and fine tubular pores; 30 percent faint clay films on faces of peds; 3 percent fine barite crystals; 4 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 95P03683. patchy - phpvsfiid 182048; patchy - phpvsfiid 182048
    2Bt3—121 to 145 centimeters (47.6 to 57.1 inches); light gray (10YR 7/1) and yellowish brown (10YR 5/8) clay loam; strong coarse prismatic parts to moderate coarse subangular blocky structure; very hard, very firm, very sticky, very plastic; 3.0 very fine roots; 0.5 very fine tubular pores; 75 percent faint clay films on faces of peds; 2 percent fine barite crystals; 1 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 6.9, hellige-truog; clear smooth boundary. Lab sample # 95P03684. patchy - phpvsfiid 182049; patchy - phpvsfiid 182049
    2Bt4—145 to 161 centimeters (57.1 to 63.4 inches); light gray (10YR 7/1) clay loam; moderate coarse prismatic parts to moderate coarse angular blocky structure; very hard, very firm, very sticky, very plastic; 0.5 very fine roots; 0.5 fine tubular pores; 30 percent faint clay films on faces of peds; 1 percent fine iron-manganese masses; 1 percent fine barite crystals; 1 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 6.9, hellige-truog; clear smooth boundary. Lab sample # 95P03685. discontinuous - phpvsfiid 194470; discontinuous - phpvsfiid 194470
    2Bt5—161 to 200 centimeters (63.4 to 78.7 inches); light brownish gray (10YR 6/2) clay loam; moderate coarse prismatic parts to moderate coarse angular blocky structure; very hard, very firm, very sticky, very plastic; 0.5 very fine roots; 0.5 very fine tubular pores; fragments; slightly alkaline, pH 7.6, hellige-truog. Lab sample # 95P03686