IDENTIFIERS
Current Taxon Name (Soil Name):
Bastrop
OSD
Series Extent
User Site ID:
S1974TX363004
User Pedon ID:
S1974TX363004
Lab Information:
Certified Lab Pedon Description -
yes
Lab Source ID -
KSSL
Lab Pedon # -
40A4634
NCSS Pedon Lab Data NASIS Record ID -
40786
Print Date:
2/16/2025
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:
32.6526389
Std. Longitude:
-98.0976306
Datum:
WGS84
Location Description:
Typical pedon of Bastrop fine sandy loam, 1 to 3 percent slopes; south of Mineral Wells, from the intersection of Interstate Highway 20 and U. S. Highway 281, north on U. S. Highway 281 to the west end of the Brazos River bridge, and 0.8 mile north-northeast on U.S. Highway 281; site is west of the highway and 60 feet from a fence from the intersection of Interstate Highway 20 and US Highway 281, 2.4 miles north on US Highway 281 to the west end of the Brazos River bridge; then .8 miles north-northeast on US Highway 281 and on west side of highway, 60 feet west of steel cable fence in pasture
State:
Texas
County:
TX363—Palo Pinto
MLRA:
80B—Texas North-Central Prairies
Non-MLRA Soil Survey Area:
TX363—Palo Pinto County, Texas
7.5 Minute USGS Quad:
32098-F1—Brazos East, Texas
PEDON
Describers Name:
Dr. Warren Lynn, James Greenwade and B. J. Wagner
Current Taxonomic Class:
Fine-loamy, mixed, thermic Udic Paleustalfs
Current Taxon Kind:
series
Pedon Type:
OSD pedon
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
Manuscript
Pedon #:
4
Correlated Information:
Soil Name -
Bastrop (flagged as OSD)
PSC -
33 to 83 cm.
Classificaton Date -
9/15/2014
Soil Taxonomic Edition -
twelfth edition
Moisture Class -
ustic
Moisture Subclass -
udic
Sampled As Information:
Soil Name -
BASTROP
Classificaton Date -
6/1/1974
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
Certification Status:
certified
QC Status:
level 3
QA Status:
level 3
SITE
Parent Material:
loamy alluvium
Landform:
stream terrace
Geomorphic Component Terraces:
tread
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
Ecological Site ID
Ecological Site Name
Correlation Data
Classifier
R080BY159TX
Sandy Loam 26-33" PZ
SITE OBSERVATION
Observation Date:
6/1/1974 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
grass/herbaceous cover
Site Obs. Cover Kind 2 -
hayland
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
argillic horizon
secondary carbonates
0—33
33—183
183—203
—33—
—150—
—20—
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
1.5
—
—
240
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 25 centimeters (0.0 to 9.8 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; fine sandy loam; weak fine subangular blocky structure; slightly hard, friable; common (2.0) medium roots and many (21.0) fine roots; common (2.0) very fine pores; 1 percent by volume rounded 5-10-20 millimeter quartzite fragments; slightly acid, pH 6.4, unspecified; abrupt smooth boundary. Lab sample # 40A35253
A—25 to 33 centimeters (9.8 to 13.0 inches); reddish brown (5YR 5/4), reddish brown (5YR 4/4), moist; fine sandy loam; weak fine and medium subangular blocky structure; slightly hard, friable; few (0.5) medium roots and many (21.0) fine roots; common (2.0) very fine pores; 1 percent fine worm casts; 1 percent by volume rounded 5-10-20 millimeter quartzite fragments; slightly acid, pH 6.4, unspecified; clear wavy boundary. Lab sample # 40A35254
Bt1—33 to 51 centimeters (13.0 to 20.1 inches); reddish brown (5YR 4/4), reddish brown (5YR 4/4), moist; sandy clay loam; strong coarse prismatic, and moderate medium subangular blocky structure; hard, friable; few (0.5) medium roots and many (21.0) fine roots; many (21.0) very fine pores; 30 percent faint clay films on all faces of peds; 21 percent fine worm casts; 1 percent by volume rounded 5-10-20 millimeter quartzite fragments; neutral, pH 7.0, unspecified; gradual wavy boundary. Lab sample # 40A35255. patchy - phpvsfiid 1156504; patchy - phpvsfiid 1156504
Bt2—51 to 76 centimeters (20.1 to 29.9 inches); yellowish red (5YR 4/6), yellowish red (5YR 4/6), moist; sandy clay loam; strong coarse prismatic, and moderate medium subangular blocky structure; hard, firm; few (0.5) medium roots and many (21.0) fine roots; many (21.0) very fine and fine pores; 30 percent faint dark reddish brown (5YR 3/4) clay films on vertical faces of peds; 21 percent fine worm casts; 1 percent by volume rounded indurated 5-10-20 millimeter quartzite fragments; neutral, pH 7.0, unspecified; gradual wavy boundary. Lab sample # 40A35256
Bt3—76 to 127 centimeters (29.9 to 50.0 inches); yellowish red (5YR 4/6), yellowish red (5YR 4/6), moist; sandy clay loam; strong coarse prismatic, and moderate medium subangular blocky structure; hard, firm; few (0.5) medium roots and common (2.0) fine roots; many (21.0) very fine and fine pores; 30 percent faint reddish brown (5YR 4/4) clay films on vertical faces of peds; 21 percent very fine and fine worm casts; 1 percent by volume rounded 5-10-20 millimeter quartzite fragments; neutral, pH 7.2, unspecified; gradual wavy boundary. Lab sample # 40A35257
Bt4—127 to 183 centimeters (50.0 to 72.0 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; sandy clay loam; moderate coarse prismatic, and moderate medium and coarse subangular blocky structure; hard, firm; few (0.5) fine roots; many (21.0) very fine and few (0.5) fine pores; 30 percent faint clay films on vertical faces of peds; 5 percent fine worm casts; 1 percent by volume rounded 5-10-20 millimeter quartzite fragments and 1 percent by volume angular 5-10-20 millimeter quartzite fragments; neutral, pH 7.0, unspecified; clear wavy boundary. Lab sample # 40A35258
BCtk—183 to 203 centimeters (72.0 to 79.9 inches); yellowish red (5YR 5/8), yellowish red (5YR 4/6), moist; sandy clay loam; weak coarse prismatic, and moderate medium and coarse subangular blocky structure; hard, friable; few (0.5) fine roots; common (3.0) very fine and fine pores; 5 percent faint clay films on vertical faces of peds and 5 percent carbonate coats on vertical faces of peds; 1 percent threadlike noncoherent cemented carbonate masses on vertical faces of peds and 1 percent very fine worm casts; 2 percent by volume rounded 5-10-20 millimeter quartzite fragments and 2 percent by volume angular 2-10-20 millimeter sandstone, calcareous fragments; strong effervescence; slightly alkaline, pH 7.7, unspecified. Lab sample # 40A35259