IDENTIFIERS

  • Current Taxon Name (Soil Name): Crawford
  • OSD
  • Series Extent
  • User Site ID: S1963TX099005
  • User Pedon ID: S1963TX099005
  • Vegetation Plot ID: S1963TX099005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A4566
  • NCSS Pedon Lab Data NASIS Record ID - 40718
  • Print Date: 2/17/2025

    • 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: 31.3788891
  • Std. Longitude: -97.4630585
  • Datum: WGS84
  • Location Description: Bluebonnet Experiment Station on W edge of McGregor, TX; 3.12 miles S-SW of station headquarters.
  • State: Texas
  • County: TX099—Coryell
  • MLRA: 85—Grand Prairie
  • Non-MLRA Soil Survey Area: TX099—Coryell County, Texas

    • PEDON

  • Describers Name: M. Stout
  • Current Taxonomic Class: Fine, smectitic, thermic, shallow Udic Chromusterts
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Crawford
  • PSC - 25 to 71 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Crawford
  • Classificaton Date - 4/19/1963
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Anthropogenic Feature: leveled land
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/19/1963 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    SOBIB

    SOBIB

    Sorghum bicolor ssp. bicolor

    Sorghum bicolor ssp. bicolor

    grain sorghum

    grain sorghum

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    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

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    Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark brown (7.5YR 3/2), dark brown (7.5YR 3/2), moist; silty clay; weak and moderate very fine granular structure; very hard, very firm; 2-39-75 millimeter quartzite fragments; neutral, pH 7.0, hellige-truog; abrupt boundary. Lab sample # 40A34844
    A11—13 to 30 centimeters (5.1 to 11.8 inches); brown (7.5YR 4/2), dark brown (7.5YR 3/2), moist; silty clay; moderate very fine angular blocky structure; extremely hard, extremely firm*; 2-39-75 millimeter quartzite fragments and 2-39-75 millimeter limestone, unspecified fragments; slightly acid, pH 6.5, hellige-truog; diffuse boundary. Lab sample # 40A34845
    A12—30 to 53 centimeters (11.8 to 20.9 inches); dark brown (7.5YR 3/2), dark brown (7.5YR 3/2), moist; silty clay; moderate fine and medium subangular blocky parts to very fine angular blocky structure; extremely hard, extremely firm*; 2-39-75 millimeter quartzite fragments and 2-39-75 millimeter limestone, unspecified fragments; slightly acid, pH 6.5, hellige-truog; diffuse boundary. Lab sample # 40A34846
    A13—53 to 71 centimeters (20.9 to 28.0 inches); dark reddish brown (5YR 3/2), dark reddish brown (5YR 3/2), moist; silty clay; moderate and strong medium subangular blocky parts to strong very fine angular blocky structure; slickensides (pedogenic); 2-39-75 millimeter quartzite fragments; moderately alkaline, pH 8.0, hellige-truog; abrupt irregular boundary. Lab sample # 40A34847
    R—71 to 97 centimeters (28.0 to 38.2 inches); dark reddish brown (5YR 3/3), reddish brown (5YR 4/4), moist; clay; moderate very fine subangular blocky structure; fragments; moderately alkaline, pH 8.2, hellige-truog; abrupt irregular boundary. Lab sample # 40A34848
    Cca—97 to 124 centimeters (38.2 to 48.8 inches);, dark reddish brown (2.5YR 3/4), moist; fragments. Lab sample # 40A34849
    R—124 to 127 centimeters (48.8 to 50.0 inches); fragments. Lab sample # 40A34850