IDENTIFIERS
Current Taxon Name (Soil Name):
Tillman
OSD
Series Extent
User Site ID:
S2000TX487001
User Pedon ID:
S2000TX487001
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
00P1362
NCSS Pedon Lab Data NASIS Record ID -
12855
Print Date:
4/24/2025
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:
33.8875885
Std. Longitude:
-99.3252563
Datum:
WGS84
State:
Texas
County:
TX487—Wilbarger
MLRA:
78C—Central Rolling Red Plains, Eastern Part
Non-MLRA Soil Survey Area:
TX487—Wilbarger County, Texas
7.5 Minute USGS Quad:
33099-H3—Santa Rosa Lake, Texas
PEDON
Describers Name:
D. Ressel, R. Gelnar, C. Cail, J. Gordon, C. Salisbury, R. Miller
Current Taxonomic Class:
Fine, mixed, superactive, thermic Vertic Paleustolls
Current Taxon Kind:
series
Pedon Type:
OSD pedon
Pedon Purpose:
full pedon description
Pedon Record Orgin:
NASIS
Pedon #:
1
Correlated Information:
Soil Name -
Tillman
Classificaton Date -
7/8/2010
Moisture Class -
ustic
Sampled As Information:
Soil Name -
Tillman
Taxonomic Class -
Fine, mixed, superactive, thermic Vertic Paleustol
Taxon Kind -
series
Classificaton Date -
7/20/2000
Moisture Class -
ustic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
7/20/2000 (actual site observation date)
Air Photo ID:
8328-31
Surface Cover Properties:
Site Obs. Cover Kind 1 -
tree cover
Site Obs. Cover Kind 2 -
rangeland, grassland
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Current Weather -
sunny
Current Air Temp -
38
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
0.2
—
—
369
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—
—
—
—
—
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—
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A1—0 to 8 centimeters (0.0 to 3.1 inches); brown (7.5YR 5/3), dark brown (7.5YR 3/3), moist; loam; moderate medium subangular blocky structure; very hard, very firm; 7.0 very fine roots and 0.8 medium roots and 6.0 fine roots; fragments; noneffervescent, by hcl, unspecified; strongly acid, pH 5.5; clear smooth boundary. Lab sample # 00P07972; observed in pit, small
A2—8 to 18 centimeters (3.1 to 7.1 inches); brown (7.5YR 4/3), dark brown (7.5YR 3/3), moist; clay loam; moderate fine subangular blocky, and moderate medium subangular blocky structure; very hard, very firm; 6.0 very fine roots and 0.8 medium roots and 7.0 fine roots; fragments; noneffervescent, by hcl, unspecified; moderately acid, pH 6.0; clear smooth boundary. Lab sample # 00P07973; observed in pit, small
Bt1—18 to 43 centimeters (7.1 to 16.9 inches); reddish brown (5YR 4/3), dark reddish brown (5YR 3/3), moist; clay; moderate coarse prismatic, and strong medium angular blocky, and strong fine angular blocky structure; extremely hard, very firm; 3.0 very fine roots and 0.8 medium roots and 3.0 fine roots and 0.8 coarse roots; 30 percent distinct clay films; fragments; noneffervescent, by hcl, unspecified; slightly acid, pH 6.5; gradual smooth boundary. Lab sample # 00P07974; observed in pit, small
Bt2—43 to 69 centimeters (16.9 to 27.2 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/4), moist; clay; moderate coarse prismatic, and strong medium angular blocky, and strong fine angular blocky structure; extremely hard, very firm; 0.8 very fine roots and 0.8 medium roots and 0.8 fine roots; 30 percent distinct clay films and 30 percent distinct pressure faces; fragments; noneffervescent, by hcl, unspecified; slightly alkaline, pH 7.8; gradual smooth boundary. Lab sample # 00P07975; observed in pit, small
Btk1—69 to 102 centimeters (27.2 to 40.2 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/4), moist; clay; weak coarse prismatic, and moderate medium angular blocky, and moderate fine angular blocky structure; extremely hard, very firm; 0.8 medium roots and 0.8 fine roots; 20 percent distinct clay films; 5 percent fine carbonate masses and 5 percent fine carbonate concretions; fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.0; gradual smooth boundary. Lab sample # 00P07976; observed in pit, small
Btk2—102 to 135 centimeters (40.2 to 53.1 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/4), moist; clay; weak coarse prismatic, and moderate medium angular blocky, and moderate fine angular blocky structure; extremely hard, very firm; 0.8 medium roots and 0.8 fine roots; 15 percent distinct clay films; 5 percent fine carbonate concretions and 5 percent fine carbonate masses; fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.0; gradual smooth boundary. Lab sample # 00P07977; observed in pit, small
Btk3—135 to 168 centimeters (53.1 to 66.1 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/4), moist; clay; red (2.5YR 5/6) fine distinct mottles; weak coarse prismatic, and moderate medium angular blocky, and moderate fine angular blocky structure; extremely hard, very firm; 0.8 medium roots and 0.8 fine roots; 10 percent distinct clay films; 7 percent coarse carbonate concretions and 7 percent coarse carbonate masses; fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.0; gradual smooth boundary. Lab sample # 00P07978; observed in pit, small
2BCk—168 to 203 centimeters (66.1 to 79.9 inches); reddish brown (2.5YR 4/4), dark reddish brown (2.5YR 3/4), moist; clay; weak coarse prismatic, and moderate medium subangular blocky structure; extremely hard, very firm; 0.8 medium roots and 0.8 fine roots; 3 percent medium carbonate concretions and 3 percent medium carbonate masses; fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.0; gradual smooth boundary. Lab sample # 00P07979; observed in pit, small
2Cr—203 to 216 centimeters (79.9 to 85.0 inches); red (2.5YR 4/8), red (2.5YR 4/6), moist; clay loam; fragments; violent effervescence, by hcl, unspecified. Lab sample # 00P07980; observed in pit, small. Horizon has rock structure with cleavage planes. Some clay coatings on cleavage planes.