IDENTIFIERS

  • Current Taxon Name (Soil Name): Bastrop
  • OSD
  • Series Extent
  • User Site ID: S1974TX363004
  • User Pedon ID: S1974TX363004
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 40A4634
  • NCSS Pedon Lab Data NASIS Record ID - 40786
  • 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: 32.6526389
  • Std. Longitude: -98.0976306
  • Datum: WGS84
  • Location Description: Typical pedon of Bastrop fine sandy loam, 1 to 3 percent slopes; south of Mineral Wells, from the intersection of Interstate Highway 20 and U. S. Highway 281, north on U. S. Highway 281 to the west end of the Brazos River bridge, and 0.8 mile north-northeast on U.S. Highway 281; site is west of the highway and 60 feet from a fence from the intersection of Interstate Highway 20 and US Highway 281, 2.4 miles north on US Highway 281 to the west end of the Brazos River bridge; then .8 miles north-northeast on US Highway 281 and on west side of highway, 60 feet west of steel cable fence in pasture
  • State: Texas
  • County: TX363—Palo Pinto
  • MLRA: 80B—Texas North-Central Prairies
  • Non-MLRA Soil Survey Area: TX363—Palo Pinto County, Texas
  • 7.5 Minute USGS Quad: 32098-F1—Brazos East, Texas
  • PEDON

  • Describers Name: Dr. Warren Lynn, James Greenwade and B. J. Wagner
  • Current Taxonomic Class: Fine-loamy, mixed, thermic Udic Paleustalfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Manuscript
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Bastrop (flagged as OSD)
  • PSC - 33 to 83 cm.
  • Classificaton Date - 9/15/2014
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - BASTROP
  • Classificaton Date - 6/1/1974
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • QA Status: level 3


  • SITE

  • Parent Material: loamy alluvium
  • Landform: stream terrace
  • Geomorphic Component Terraces: tread
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

  • Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
    Ecological Site ID Ecological Site Name Correlation Data Classifier
    R080BY159TX Sandy Loam 26-33" PZ
  • SITE OBSERVATION

  • Observation Date: 6/1/1974 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    secondary carbonates

    0—33

    33—183

    183—203

    —33—

    —150—

    —20—

    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

    1.5

    240

    Ap—0 to 25 centimeters (0.0 to 9.8 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; fine sandy loam; weak fine subangular blocky structure; slightly hard, friable; common (2.0) medium roots and many (21.0) fine roots; common (2.0) very fine pores; 1 percent by volume rounded 5-10-20 millimeter quartzite fragments; slightly acid, pH 6.4, unspecified; abrupt smooth boundary. Lab sample # 40A35253
    A—25 to 33 centimeters (9.8 to 13.0 inches); reddish brown (5YR 5/4), reddish brown (5YR 4/4), moist; fine sandy loam; weak fine and medium subangular blocky structure; slightly hard, friable; few (0.5) medium roots and many (21.0) fine roots; common (2.0) very fine pores; 1 percent fine worm casts; 1 percent by volume rounded 5-10-20 millimeter quartzite fragments; slightly acid, pH 6.4, unspecified; clear wavy boundary. Lab sample # 40A35254
    Bt1—33 to 51 centimeters (13.0 to 20.1 inches); reddish brown (5YR 4/4), reddish brown (5YR 4/4), moist; sandy clay loam; strong coarse prismatic, and moderate medium subangular blocky structure; hard, friable; few (0.5) medium roots and many (21.0) fine roots; many (21.0) very fine pores; 30 percent faint clay films on all faces of peds; 21 percent fine worm casts; 1 percent by volume rounded 5-10-20 millimeter quartzite fragments; neutral, pH 7.0, unspecified; gradual wavy boundary. Lab sample # 40A35255. patchy - phpvsfiid 1156504; patchy - phpvsfiid 1156504
    Bt2—51 to 76 centimeters (20.1 to 29.9 inches); yellowish red (5YR 4/6), yellowish red (5YR 4/6), moist; sandy clay loam; strong coarse prismatic, and moderate medium subangular blocky structure; hard, firm; few (0.5) medium roots and many (21.0) fine roots; many (21.0) very fine and fine pores; 30 percent faint dark reddish brown (5YR 3/4) clay films on vertical faces of peds; 21 percent fine worm casts; 1 percent by volume rounded indurated 5-10-20 millimeter quartzite fragments; neutral, pH 7.0, unspecified; gradual wavy boundary. Lab sample # 40A35256
    Bt3—76 to 127 centimeters (29.9 to 50.0 inches); yellowish red (5YR 4/6), yellowish red (5YR 4/6), moist; sandy clay loam; strong coarse prismatic, and moderate medium subangular blocky structure; hard, firm; few (0.5) medium roots and common (2.0) fine roots; many (21.0) very fine and fine pores; 30 percent faint reddish brown (5YR 4/4) clay films on vertical faces of peds; 21 percent very fine and fine worm casts; 1 percent by volume rounded 5-10-20 millimeter quartzite fragments; neutral, pH 7.2, unspecified; gradual wavy boundary. Lab sample # 40A35257
    Bt4—127 to 183 centimeters (50.0 to 72.0 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; sandy clay loam; moderate coarse prismatic, and moderate medium and coarse subangular blocky structure; hard, firm; few (0.5) fine roots; many (21.0) very fine and few (0.5) fine pores; 30 percent faint clay films on vertical faces of peds; 5 percent fine worm casts; 1 percent by volume rounded 5-10-20 millimeter quartzite fragments and 1 percent by volume angular 5-10-20 millimeter quartzite fragments; neutral, pH 7.0, unspecified; clear wavy boundary. Lab sample # 40A35258
    BCtk—183 to 203 centimeters (72.0 to 79.9 inches); yellowish red (5YR 5/8), yellowish red (5YR 4/6), moist; sandy clay loam; weak coarse prismatic, and moderate medium and coarse subangular blocky structure; hard, friable; few (0.5) fine roots; common (3.0) very fine and fine pores; 5 percent faint clay films on vertical faces of peds and 5 percent carbonate coats on vertical faces of peds; 1 percent threadlike noncoherent cemented carbonate masses on vertical faces of peds and 1 percent very fine worm casts; 2 percent by volume rounded 5-10-20 millimeter quartzite fragments and 2 percent by volume angular 2-10-20 millimeter sandstone, calcareous fragments; strong effervescence; slightly alkaline, pH 7.7, unspecified. Lab sample # 40A35259