IDENTIFIERS

  • Current Taxon Name (Soil Name): Crawford
  • OSD
  • Series Extent
  • User Site ID: S1963TX309001
  • User Pedon ID: S1963TX309001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A4567
  • NCSS Pedon Lab Data NASIS Record ID - 40719
  • Print Date: 11/26/2024
  • 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: 31.3924122
  • Std. Longitude: -97.4552994
  • Datum: WGS84
  • Location Description: Bluebonnet Experiment Station on W edge of McGregor, TX; 2.6 miles SW, 255 degrees, of station headquarters.
  • State: Texas
  • County: TX309—McLennan
  • MLRA: 85—Grand Prairie
  • Non-MLRA Soil Survey Area: TX309—McLennan 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 #: 1
  • Correlated Information:
  • Soil Name - Crawford
  • PSC - 25 to 63 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

  • 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
  • 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

    Ap—0 to 10 centimeters (0.0 to 3.9 inches); dark brown (7.5YR 3/2) silty clay; weak and moderate very fine granular structure; very hard, very firm; 2-39-75 millimeter quartzite fragments; moderately alkaline, pH 8.0, hellige-truog; abrupt boundary. Lab sample # 40A34853
    A11—10 to 33 centimeters (3.9 to 13.0 inches); brown (7.5YR 4/2), dark brown (7.5YR 3/2), moist; silty clay; weak and moderate very fine angular blocky structure; extremely hard, extremely firm*, very sticky; 2-39-75 millimeter quartzite fragments; slightly acid, pH 6.5, hellige-truog; diffuse boundary. Lab sample # 40A34854
    A12—33 to 64 centimeters (13.0 to 25.2 inches); dark brown (7.5YR 3/2), dark brown (7.5YR 3/2), moist; silty clay; moderate and strong medium subangular blocky parts to moderate and strong very fine angular blocky structure; 75 percent slickensides (pedogenic); fragments; neutral, pH 7.0, hellige-truog; abrupt irregular boundary. Lab sample # 40A34855
    R&A13—64 to 86 centimeters (25.2 to 33.9 inches); brown (7.5YR 5/2), brown (7.5YR 4/2), moist; clay; moderate very fine subangular blocky structure; fragments; moderately alkaline, pH 8.2, hellige-truog; abrupt irregular boundary. Lab sample # 40A34856
    R—86 to 91 centimeters (33.9 to 35.8 inches); red (2.5YR 4/6) and brown (7.5YR 5/2) clay; fragments; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 40A34857