IDENTIFIERS
Current Taxon Name (Soil Name):
Eva
OSD
Series Extent
Local Phase:
fine sandy loam
User Site ID:
S1992OK139006
User Pedon ID:
S1992OK139006
Lab Information:
Certified Lab Pedon Description -
yes
Lab Source ID -
KSSL
Lab Pedon # -
93P0115
NCSS Pedon Lab Data NASIS Record ID -
65459
Print Date:
5/14/2025
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:
36.9716682
Std. Longitude:
-101.1791687
Datum:
WGS84
Township:
6N
Range:
17E
Section:
24
PLSS Details:
NW 1/4, NW 1/4
Country:
US—United States
State:
Oklahoma
County:
OK139—Texas
MLRA:
77A—Southern High Plains, Northern Part
MLRA Soil Survey Area:
SC-WOD—Woodward, Oklahoma
Non-MLRA Soil Survey Area:
OK139—Texas County, Oklahoma
7.5 Minute USGS Quad:
36101-H2—Hooker NW, Oklahoma
PEDON
Current Taxonomic Class:
Coarse-loamy, mixed, superactive, mesic Aridic Haplustalfs
Current Taxon Kind:
series
Pedon Type:
classifies to current taxon name, full description
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
6
Correlated Information:
Soil Name -
Eva
PSC -
48 to 98 cm.
Classificaton Date -
7/2/2019
Classifier -
Steven McGowen
Soil Taxonomic Edition -
twelfth edition
Moisture Class -
ustic
Moisture Subclass -
aridic (torric)
Sampled As Information:
Soil Name -
Dalhart
Classificaton Date -
9/30/1992
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
Certification Status:
certified
QC Status:
level 1
QA Status:
not reviewed
SITE
Parent Material:
eolian sands
Landscape:
High plains
Landform:
low dune on sand sheet
Drainage Class:
well
Flooding:
none flooding
Ponding:
none ponding
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
9/30/1992 (actual site observation date)
Air Photo ID:
16
Surface Cover Properties:
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—15
48—250
48—250
—15—
—202—
—202—
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
—
—
—
916
—
440
—
—
14
26
1
—
—
—
—
—
—
—
—
A1—0 to 15 centimeters (0.0 to 5.9 inches); brown (7.5YR 5/2), brown (7.5YR 4/2), moist; fine sandy loam; weak fine granular structure; soft, very friable; 3.0 fine roots; 0.5 fine pores; fragments; slight effervescence; clear smooth boundary. Lab sample # 93P00976
A2—15 to 48 centimeters (5.9 to 18.9 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; fine sandy loam; weak medium subangular blocky structure; soft, very friable; 3.0 fine roots; 3.0 fine pores; 1 percent fine carbonate threads; fragments; slight effervescence; clear smooth boundary. Lab sample # 93P00977
Btk1—48 to 120 centimeters (18.9 to 47.2 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; fine sandy loam; weak medium prismatic parts to weak medium subangular blocky structure; hard, friable; 0.5 fine roots; 0.5 fine pores; 10 percent faint clay films; 1 percent carbonate threads; fragments; slight effervescence; clear smooth boundary. Lab sample # 93P00978
Btk2—120 to 162 centimeters (47.2 to 63.8 inches); very pale brown (10YR 7/4), yellowish brown (10YR 5/4), moist; loam; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, friable; 3.0 fine roots; 3.0 fine pores; 30 percent distinct clay films; 1 percent worm casts and 21 percent fine carbonate masses and 1 percent fine carbonate nodules; fragments; violent effervescence; gradual smooth boundary. Lab sample # 93P00979
Btk3—162 to 204 centimeters (63.8 to 80.3 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; loam; weak medium prismatic parts to weak medium subangular blocky structure; hard, friable; 0.5 very fine and fine roots; 3.0 fine pores; 10 percent distinct clay films; carbonate threads; fragments; strong effervescence; clear smooth boundary. Lab sample # 93P00980
Btk4—204 to 250 centimeters (80.3 to 98.4 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; fine sandy loam; weak coarse prismatic structure; hard, friable; 0.5 very fine roots; 3.0 fine pores; 30 percent distinct clay films; 3 percent fine and medium carbonate masses; fragments; strong effervescence; gradual smooth boundary. Lab sample # 93P00981