IDENTIFIERS

  • Current Taxon Name (Soil Name): Bookout
  • OSD
  • Series Extent
  • User Site ID: S1979TX507003
  • User Pedon ID: 79TX507003
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 79P0332
  • NCSS Pedon Lab Data NASIS Record ID - 47065
  • 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: 28.7897222
  • Std. Longitude: -99.7272222
  • Datum: WGS84
  • Location Description: Zavala County, Texas; From junction of U.S. Highway 83 and Farm Road 1433 on the north side of Crystal City, 7.0 miles north of U.S. Highway 83; 7.6 miles east of on Farm Road 1025 and 150 feet north in rangeland. (11.2 km N on US83 from FR 1433 on the N side of Crystal City 12.2 km E on FR 1025 46 meters N in rangeland)
  • Country: US—United States
  • State: Texas
  • County: TX507—Zavala
  • MLRA: 83A—Northern Rio Grande Plain
  • Non-MLRA Soil Survey Area: TX605—Dimmit and Zavala Counties, Texas
  • 7.5 Minute USGS Quad: 28099-G6—Batesville SW, Texas
  • PEDON

  • Describers Name: Jack W. Stephens and Daniel Arriaga
  • Current Taxonomic Class: Fine-silty, mixed, superactive, hyperthermic Aridic Calciustepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Bookout (flagged as OSD)
  • PSC - 25 to 100 cm.
  • Classificaton Date - 12/29/2015
  • Classifier - James B. Akin
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Mavco
  • Taxonomic Class - Fine, mixed, hyperthermic Aridic Ustochrept
  • Taxon Kind - series
  • Classificaton Date - 7/11/1979
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


  • SITE

  • Parent Material: calcareous loamy and/or clayey alluvium
  • Landscape: Inland, dissected coastal plain
  • Landform: stream terrace
  • Geomorphic Component Terraces: tread
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/11/1979 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, shrubby
  • 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

    cambic horizon

    secondary carbonates

    calcic horizon

    0—36

    36—61

    36—203

    61—203

    —-

    —-

    —-

    —-

    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

    0.5

    196

    A1—0 to 3 centimeters (0.0 to 1.2 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; clay loam; weak platy, and weak fine subangular blocky structure; slightly hard, very friable; 2.0 fine roots; 1 percent by volume shell fragments fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary. Lab sample # 79P01733
    A2—3 to 36 centimeters (1.2 to 14.2 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; clay loam; moderate fine and medium subangular blocky structure; hard, friable; 5.0 fine roots; many (5.0) fine pores; 1 percent worm casts; 1 percent by volume shell fragments fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog; gradual smooth boundary. Lab sample # 79P01734
    Bk1—36 to 61 centimeters (14.2 to 24.0 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; clay loam; moderate fine and medium subangular blocky structure; hard, friable; common (3.0) fine roots; few (0.8) fine pores; 1 percent worm casts and 1 percent fine threadlike carbonate masses and 1 percent fine and medium spherical carbonate masses; 1 percent by volume shell fragments fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 79P01735
    Bk2—61 to 89 centimeters (24.0 to 35.0 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; clay; weak fine and medium subangular blocky structure; hard, friable; 0.5 fine roots; 5 percent fine threadlike carbonate masses and 5 percent medium and coarse spherical carbonate masses; fragments; violent effervescence; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 79P01736
    Bk3—89 to 127 centimeters (35.0 to 50.0 inches); very pale brown (10YR 8/4), very pale brown (10YR 7/4), moist; clay; weak fine and medium subangular blocky structure; hard, firm; 0.5 fine roots; 5 percent fine threadlike carbonate masses and 3 percent medium and coarse spherical carbonate masses and 2 percent medium and coarse spherical carbonate concretions; fragments; violent effervescence; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 79P01737
    Bk4—127 to 163 centimeters (50.0 to 64.2 inches); very pale brown (10YR 8/4), light yellowish brown (10YR 6/4), moist; silty clay; weak fine and medium subangular blocky structure; very hard, firm; 25 percent fine threadlike carbonate masses and 1 percent medium and coarse spherical carbonate masses and 1 percent medium and coarse spherical carbonate concretions; fragments; violent effervescence; moderately alkaline, pH 8.2, hellige-truog; diffuse wavy boundary. Lab sample # 79P01738
    Bk5—163 to 203 centimeters (64.2 to 79.9 inches); pink (7.5YR 8/4), light brown (7.5YR 6/4), moist; silty clay; weak fine and medium subangular blocky structure; very hard, firm; 25 percent fine threadlike carbonate masses and 1 percent medium and coarse spherical carbonate masses and 1 percent medium and coarse spherical carbonate concretions; fragments; violent effervescence; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 79P01739