IDENTIFIERS

  • Current Taxon Name (Soil Name): Houston Black
  • OSD
  • Series Extent
  • User Site ID: S1996TX027002
  • User Pedon ID: 96TX027002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 96P0257
  • NCSS Pedon Lab Data NASIS Record ID - 68335
  • Print Date: 2/3/2025
  • 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: 30.9880562
  • Std. Longitude: -97.1805191
  • Datum: WGS84
  • Location Description: Bell County, Texas, USA. About 5 mi (8km) NNE of Rogers on Blen Chervenka farm.
  • State: Texas
  • County: TX027—Bell
  • MLRA: 86—Texas Blackland Prairie
  • Non-MLRA Soil Survey Area: TX027—Bell County, Texas
  • 7.5 Minute USGS Quad: 30097-H2—Rogers, Texas
  • PEDON

  • Describers Name: Glen Chervenka and James Greenwade
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: research site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Houston Black
  • Taxonomic Class - Fine, smectitic Typic Haplusterts
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/4/1996
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

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

    SITE OBSERVATION

  • Observation Date: 6/4/1996 (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
  • 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

    3

    50

    200

    147

    15

    860

    A—0 to 10 centimeters (0.0 to 3.9 inches); black (10YR 2/1) clay; moderate medium subangular blocky, and moderate fine granular structure; hard when dry, firm, very sticky, very plastic; fragments; clear smooth boundary. Lab sample # 96P02065
    Bss1—10 to 54 centimeters (3.9 to 21.3 inches); black (10YR 2/1) clay; moderate coarse angular blocky, and moderate fine and medium angular blocky structure; very hard, firm, very sticky, very plastic; 2.0 medium roots and 22.0 fine roots; slickensides (pedogenic); fragments; gradual wavy boundary. Lab sample # 96P02066. continuous - phpvsfiid 176714; continuous - phpvsfiid 176714
    Bss2—54 to 90 centimeters (21.3 to 35.4 inches); black (10YR 2/1) clay; moderate coarse angular blocky, and moderate very fine and fine angular blocky structure; very hard, firm; fragments. Lab sample # 96P02067
    Bssk—90 to 108 centimeters (35.4 to 42.5 inches); black (10YR 2/1) clay; 1 percent light yellowish brown (2.5Y 6/3) fine and medium prominent mottles; moderate coarse wedge structure; very hard, firm; fragments; clear wavy boundary. Lab sample # 96P02068
    B'ss1—108 to 128 centimeters (42.5 to 50.4 inches); very dark gray (2.5Y 3/1) clay; 1 percent yellowish brown (10YR 5/6) fine prominent and 10 percent olive (5Y 5/4) medium prominent mottles; moderate coarse wedge structure; very hard, firm; fragments. Lab sample # 96P02069
    B'ss2—128 to 142 centimeters (50.4 to 55.9 inches); light olive brown (2.5Y 5/4) clay; 10 percent yellowish brown (10YR 5/6) fine and medium distinct mottles; weak coarse wedge structure; very hard, firm; fragments; gradual wavy boundary. Lab sample # 96P02070
    Bssy—142 to 156 centimeters (55.9 to 61.4 inches); light olive brown (2.5Y 5/4) clay; olive yellow (2.5Y 6/6) distinct mottles; weak coarse wedge structure; fragments; clear wavy boundary. Lab sample # 96P02071. Lenses of 2.5 Y 6/2, 5/2, 6/3.
    BCY1—156 to 168 centimeters (61.4 to 66.1 inches); light yellowish brown (2.5Y 6/4) clay; olive yellow (2.5Y 6/6) distinct mottles; fragments. Lab sample # 96P02072. Lenses of 2.5Y 6/2, 5/2, 6/3.
    BCY2—168 to 200 centimeters (66.1 to 78.7 inches); light yellowish brown (2.5Y 6/4) and light yellowish brown (2.5Y 6/3) clay; weak platy structure; fragments. Lab sample # 96P02073