IDENTIFIERS
Current Taxon Name (Soil Name):
Palafox
OSD
Series Extent
User Site ID:
S1979TX479001
User Pedon ID:
79TX479001
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
80P0176
NCSS Pedon Lab Data NASIS Record ID -
47954
Print Date:
11/13/2025
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:
27.8555565
Std. Longitude:
-99.6444473
Datum:
WGS84
Location Description:
Webb County, junction of Del Mar Blvd and FM 1472 N of Laredo 12 km NW and 25 km N on FM 3338 and 31 meters W in rangeland.
State:
Texas
County:
TX479—Webb
PEDON
Describers Name:
Russell Sanders and Wayne Gabriel
Current Taxonomic Class:
Fine-silty, mixed, superactive, hyperthermic Ustollic Camborthids
Current Taxon Kind:
taxadjunct
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from SSL-CMS data
Pedon #:
1
Correlated Information:
Soil Name -
Palafox
Classificaton Date -
7/11/2007
Moisture Class -
ustic
Moisture Subclass -
ustic
Sampled As Information:
Soil Name -
Garceno
Taxonomic Class -
Fine, mixed, hyperthermic Ustollic Camborthid
Taxon Kind -
series
Classificaton Date -
12/1/1979
Moisture Class -
aridic (torric)
Moisture SUBClass -
ustic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landscape:
upland
Landform:
upland slope
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
12/1/1979 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
grass/herbaceous cover
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
water erosion
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
mollic epipedon
cambic horizon
0—20
38—88
—-
—-
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
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1A1—0 to 20 centimeters (0.0 to 7.9 inches); dark grayish brown (10YR 4/2) interior, grayish brown (10YR 5/2) interior, dry; clay loam; weak medium subangular blocky, and weak fine granular structure; hard, friable; 2.5 fine and medium roots throughout; 0.5 fine tubular pores; fragments; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary. Lab sample # 80P00885. Upper 2 in of surface is crusted and one chip higher in color value with weak fine platy structure. non calcareous but coatings of calcium carbonate effervesce.; common fine and medium roots throughout
1B1—20 to 38 centimeters (7.9 to 15.0 inches); dark grayish brown (10YR 4/2) interior, grayish brown (10YR 5/2) interior, dry; clay; weak medium subangular blocky structure; hard, firm; 2.5 fine and medium roots throughout; 0.5 fine tubular pores; lime masses; fragments; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 80P00886. Color values slightly lower than A1 horizon.; common fine and medium roots throughout
1B21—38 to 69 centimeters (15.0 to 27.2 inches); brown (10YR 4/3) interior, pale brown (10YR 6/3) interior, dry; clay; weak medium angular blocky structure; hard, firm; 0.5 fine and medium roots throughout; 0.5 fine tubular pores; 1 percent lime masses; fragments; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 80P00887. few soft masses of lime concentrations; few fine and medium roots throughout
1B22ca—69 to 109 centimeters (27.2 to 42.9 inches); brown (10YR 5/3) interior, pale brown (10YR 6/3) interior, dry; clay; weak medium subangular blocky structure; hard, firm; 0.5 fine roots throughout; 11 percent lime masses; fragments; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary. Lab sample # 80P00888. common soft masses of lime concentrations; few fine roots throughout
1Cca—109 to 150 centimeters (42.9 to 59.1 inches); pale brown (10YR 6/3) interior, very pale brown (10YR 7/3) interior, dry; clay; weak fine subangular blocky structure; hard, firm; 0.5 fine roots throughout; salt crystals and 11 percent lime masses; fragments; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 80P00889. common soft masses of lime concentrations; few fine roots throughout
1C—150 to 183 centimeters (59.1 to 72.0 inches); pale brown (10YR 6/3) interior, very pale brown (10YR 7/3) interior, dry; clay; weak fine subangular blocky structure; hard, firm; 1 percent lime masses and 1 percent salt crystals; fragments; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 80P00890. few halite crystals concentrations; few soft masses of lime concentrations