IDENTIFIERS

  • Current Taxon Name (Soil Name): Falfurrias
  • OSD
  • Series Extent
  • User Site ID: S1977TX047004
  • User Pedon ID: 77TX047004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 78P0208
  • NCSS Pedon Lab Data NASIS Record ID - 45762
  • Print Date: 12/11/2024
  • 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: 27.0000000
  • Std. Longitude: -97.9866638
  • Datum: WGS84
  • Location Description: Brooks County, Texas 22 km E NE of the entrance to headquarters on US Highway 281.
  • State: Texas
  • County: TX047—Brooks
  • PEDON

  • Describers Name: 1987 Manuscript by Dennis Williamson
  • Current Taxonomic Class: Mixed, hyperthermic Typic Ustipsamments
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Falfurrias
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/11/2007
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Falfurrias
  • Classificaton Date - 4/1/1977
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified


  • SITE

  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/1/1977 (actual site observation date)
  • Surface Cover Properties:
  • 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

    A1—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 5/3) interior, very pale brown (10YR 7/3) interior, dry; fine sand; single grain; loose; common (2.5) fine roots; fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 78P01062. common fine roots
    A2—8 to 41 centimeters (3.1 to 16.1 inches); brown (10YR 4/3) interior, brown (10YR 5/3) interior, dry; fine sand; single grain; loose; common (2.5) fine roots; fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # 78P01063. common fine roots
    A3—41 to 97 centimeters (16.1 to 38.2 inches); pale brown (10YR 6/3) interior, light yellowish brown (10YR 6/4) interior, dry; fine sand; structureless single grain; loose; common (2.5) fine to coarse roots; fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # 78P01065. common fine to coarse roots
    C1—97 to 145 centimeters (38.2 to 57.1 inches); pale brown (10YR 6/3) interior, very pale brown (10YR 7/3) interior, dry; fine sand; 1 percent black (10YR 2/1) fine mottles; structureless single grain; loose; 0.5 very fine roots; 2 percent fine black (10YR 2/1), dry, iron-manganese masses; fragments; slightly acid, pH 6.3, hellige-truog; diffuse smooth boundary. Lab sample # 78P01066. few very fine roots; few fine 10YR21 mottles
    C2—145 to 203 centimeters (57.1 to 79.9 inches); pale brown (10YR 6/3) interior, very pale brown (10YR 7/3) interior, dry; fine sand; 1 percent brownish yellow (10YR 6/6) fine mottles; structureless single grain; loose; fragments; slightly acid, pH 6.3, hellige-truog. Lab sample # 78P01067. few fine 10YR66 mottles
    C3—203 to 259 centimeters (79.9 to 102.0 inches); pale brown (10YR 6/3) interior, very pale brown (10YR 7/3) interior, dry; fine sand; single grain; loose; fragments; slightly acid, pH 6.3, hellige-truog. Lab sample # 78P01068. About 15 percent fine and medium brownish yellow 10YR 6/6 mottles that increase with depth.
    C4—259 to 332 centimeters (102.0 to 130.7 inches); fine sand; fragments; abrupt smooth boundary. Lab sample # 78P01069. Same as above separated for sampling.
    2Btb1—332 to 353 centimeters (130.7 to 139.0 inches); pale brown (10YR 6/3) interior, very pale brown (10YR 7/3) interior, dry; loamy fine sand; 1 percent reddish yellow (7.5YR 6/6) fine mottles; very hard, firm; fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # 78P01070. Augered. Structure not observed.; few fine 7.5YR66 mottles
    2Btb2—353 to 401 centimeters (139.0 to 157.9 inches);, light gray (10YR 7/2) interior and very pale brown (10YR 7/4) interior, dry; loamy fine sand; very hard, firm; fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # 78P01071. Augered. Structure not observed. Clay content decreasing with depth.