IDENTIFIERS
Current Taxon Name (Soil Name):
Onita
OSD
Series Extent
User Site ID:
S1994SD119001
User Pedon ID:
S1994SD119001
Lab Information:
Certified Lab Pedon Description -
yes
Lab Source ID -
SSL
Lab Pedon # -
94P0583
NCSS Pedon Lab Data NASIS Record ID -
66759
Print Date:
4/26/2025
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:
44.6566658
Std. Longitude:
-100.2033310
Datum:
WGS84
Township:
114N
Range:
78W
Section:
27
PLSS Details:
2600 feet South and 150 feet West of NE corner
Location Description:
Sully County, South Dakota.
Map Unit:
HeA—Highmore silt loam, 0 to 2 percent slopesHeA+—Highmore-Eakin silt loams, 0 to 2 percent slopes
Country:
US—United States
State:
South Dakota
County:
SD119—Sully
MLRA:
53C—Southern Dark Brown Glaciated Plains
Regional Office:
NC—North Central
MLRA Soil Survey Area:
NC-RED—Redfield, South Dakota
Non-MLRA Soil Survey Area:
SD119—Sully County, South Dakota
PEDON
Current Taxonomic Class:
Fine, smectitic, mesic Pachic Argiustolls
Current Taxon Kind:
series
Pedon Type:
classifies to current taxon name, full description
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
Copy of 94SD119001-KSSL Pedon (Rec ID - 105775)
Pedon #:
1
Correlated Information:
Soil Name -
Onita
PSC -
30 to 80 cm.
Classificaton Date -
11/23/2016
Classifier -
Justiniano, Wilfredo
Soil Taxonomic Edition -
twelfth edition
Moisture Class -
ustic
Moisture Subclass -
typic
Sampled As Information:
Soil Name -
Onita
Classificaton Date -
5/19/1994
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
Certification Status:
not certified
QC Status:
not reviewed
QA Status:
not reviewed
SITE
Parent Material:
periglacial loess
Landscape:
till plain
Landform:
swale
Hill Slope Profile:
footslope
Slope Shape Across:
concave
Slope Shape Down:
linear
Drainage Class:
moderately well
Flooding:
none flooding
Ponding:
none ponding
Surface Fragments:
Benchmark Soil?:
yes
VEGETATION
SITE OBSERVATION
Observation Date:
5/19/1994 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
Site Obs. Cover Kind 2 -
close-grown crop
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
mollic epipedon
argillic horizon
secondary carbonates
0—58
30—81
81—152
—58—
—51—
—71—
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
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 20 centimeters (0.0 to 7.9 inches);, black (10YR 2/1), moist; silt loam; weak medium subangular blocky parts to weak medium prismatic structure; slightly hard, firm, slightly sticky; 21.0 very fine and fine roots; fragments; abrupt smooth boundary. Lab sample # 94P04045
A—20 to 30 centimeters (7.9 to 11.8 inches);, very dark gray (10YR 3/1), moist; silt loam; moderate medium subangular blocky parts to moderate medium granular structure; slightly hard, friable, slightly sticky; 21.0 very fine and fine roots; fragments; gradual smooth boundary. Lab sample # 94P04046
Bt1—30 to 40 centimeters (11.8 to 15.7 inches);, very dark grayish brown (10YR 3/2), moist; silty clay; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, firm, moderately sticky; 3.0 very fine and fine roots; fragments; clear smooth boundary. Lab sample # 94P04047
Bt2—40 to 58 centimeters (15.7 to 22.8 inches);, very dark grayish brown (10YR 3/2), moist; silty clay; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, firm, moderately sticky; 0.5 very fine and fine roots; fragments; clear smooth boundary. Lab sample # 94P04048
Bt3—58 to 81 centimeters (22.8 to 31.9 inches);, brown (10YR 4/3), moist; silty clay; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, firm, moderately sticky; 0.5 very fine roots; fragments; abrupt smooth boundary. Lab sample # 94P04049
Bk—81 to 117 centimeters (31.9 to 46.1 inches);, olive brown (2.5Y 4/4), moist; silty clay loam; weak coarse subangular blocky structure; slightly hard, friable, slightly sticky; 3 percent fine and medium carbonate concretions; fragments; violent effervescence; clear smooth boundary. Lab sample # 94P04050
C—117 to 152 centimeters (46.1 to 59.8 inches);, light olive brown (2.5Y 5/4), moist; silt loam; massive; slightly hard, friable, slightly sticky; 1 percent fine carbonate concretions; fragments; violent effervescence. Lab sample # 94P04051