IDENTIFIERS

  • Current Taxon Name (Soil Name): Houston Black
  • OSD
  • Series Extent
  • User Site ID: S1984TX145002
  • User Pedon ID: 84TX145002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0189
  • NCSS Pedon Lab Data NASIS Record ID - 55905
  • Print Date: 2/16/2025

    • 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: 31.4761105
  • Std. Longitude: -96.8861084
  • Datum: WGS84
  • State: Texas
  • County: TX145—Falls
  • MLRA: 86A—Texas Blackland Prairie, Northern Part
  • Non-MLRA Soil Survey Area: TX145—Falls County, Texas

    • PEDON

  • Current Taxonomic Class: Fine, smectitic, thermic Udic Pellusterts
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Houston Black
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Houston Black
  • Taxonomic Class - Fine, montmorillonitic, thermic Udic Pellustert
  • Taxon Kind - series
  • Classificaton Date - 6/1/1984
  • Moisture SUBClass - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1984 (actual site observation date)
  • Surface Cover Properties:
  • 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

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 12 centimeters (0.0 to 4.7 inches); clay; moderate medium granular structure; friable, very sticky, very plastic; 21.0 very fine and fine roots; 1 percent by volume 5-?-30 millimeter silica concretions fragments; strong effervescence; gradual smooth boundary. Lab sample # 85P00959
    Bwk3—0 to 110 centimeters (0.0 to 43.3 inches); fragments. Lab sample # 85P00967
    A2—12 to 30 centimeters (4.7 to 11.8 inches); clay; weak prismatic parts to moderate fine granular structure; firm, very sticky, very plastic; 21.0 fine and medium roots; 1 percent by volume 5-?-30 millimeter silica concretions fragments; gradual smooth boundary. Lab sample # 85P00960
    Bw—30 to 50 centimeters (11.8 to 19.7 inches); clay; moderate medium angular blocky, and weak medium prismatic structure; firm, very sticky, very plastic; 3.0 fine roots; 10 percent fine shell fragments; 1 percent by volume 3-?-10 millimeter silica concretions fragments; gradual smooth boundary. Lab sample # 85P00961
    Bwk1—50 to 80 centimeters (19.7 to 31.5 inches); clay; strong coarse angular blocky structure; firm, very sticky, very plastic; 3.0 fine roots; 10 percent fine shell fragments; 1 percent by volume 3-?-10 millimeter silica concretions fragments; gradual wavy boundary. Lab sample # 85P00962
    Bwk2—80 to 110 centimeters (31.5 to 43.3 inches); clay; strong coarse angular blocky structure; friable, very sticky, very plastic; 0.5 fine roots; 10 percent fine shell fragments; 1 percent by volume 3-?-10 millimeter silica concretions fragments; slight effervescence; gradual wavy boundary. Lab sample # 85P00963
    Bwk3—110 to 150 centimeters (43.3 to 59.1 inches); clay; strong medium angular blocky, and strong coarse angular blocky structure; friable, very sticky, very plastic; 3.0 fine roots; 10 percent by volume 3-?-10 millimeter silica concretions fragments; abrupt irregular boundary. Lab sample # 85P00964
    Bc—150 to 220 centimeters (59.1 to 86.6 inches); silty clay; moderate coarse angular blocky structure; firm, moderately sticky, moderately plastic; 0.5 very fine roots; fragments; diffuse wavy boundary. Lab sample # 85P00965
    Cb—220 to 265 centimeters (86.6 to 104.3 inches); silty clay; strong fine angular blocky, and moderate medium angular blocky structure; firm, moderately sticky, moderately plastic; 0.5 very fine roots; fragments. Lab sample # 85P00966