IDENTIFIERS
Current Taxon Name (Soil Name):
Cactusflat
OSD
Series Extent
User Site ID:
S1982SD071002
User Pedon ID:
82SD071002
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
82P0824
NCSS Pedon Lab Data NASIS Record ID -
51611
Print Date:
2/17/2025
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:
43.9249992
Std. Longitude:
-101.8361130
Datum:
WGS84
Township:
2S
Range:
18E
Section:
35
PLSS Details:
98 meters S and 143 meters W of the NE corner
State:
South Dakota
County:
SD071—Jackson
MLRA:
60A—Pierre Shale Plains
PEDON
Describers Name:
R. Schlepp and M. Mausbach
Current Taxonomic Class:
Fine-silty, mixed, superactive, mesic Torriorthentic Haplustolls
Current Taxon Kind:
series
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from SSL-CMS data
Pedon #:
2
Correlated Information:
Soil Name -
Cactusflat
PSC -
25 to 100 cm.
Classificaton Date -
7/11/2007
Moisture Class -
ustic
Moisture Subclass -
aridic (torric)
Sampled As Information:
Soil Name -
Cactusflat
Taxonomic Class -
Fine, montmorillonitic, mesic Torriorthentic Haplu
Taxon Kind -
taxadjunct
Classificaton Date -
9/1/1982
Moisture Class -
ustic
Moisture SUBClass -
aridic (torric)
Dynamic Soil Properties:
Erosion Class -
0
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landscape:
intermontane basin
Landform:
playa or alluvial flat
Slope Shape Down:
linear
Runoff:
low
Drainage Class:
well
Surface Fragments:
0.05 percent
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
9/1/1982 (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
calcic horizon
0—23
8—61
61—74
—-
—-
—-
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
—
—
772
—
41
—
—
9
—
—
—
—
—
—
—
—
391972
—
1A—0 to 8 centimeters (0.0 to 3.1 inches); dark gray (10YR 4/1) interior, very dark gray (10YR 3/1) interior, moist; silty clay; moderate very fine granular structure; soft, friable, moderately sticky, moderately plastic; 5.5 fine and medium roots; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.6, pH meter; clear smooth boundary. Lab sample # 82P04241. many fine and medium roots
1Bw1—8 to 23 centimeters (3.1 to 9.1 inches); gray (10YR 5/1) interior, very dark gray (10YR 3/1) interior, moist; clay; moderate medium prismatic, and moderate fine and medium subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 2.5 fine roots; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 82P04242. common fine roots
1Bw2—23 to 41 centimeters (9.1 to 16.1 inches); grayish brown (10YR 5/2) interior, very dark grayish brown (10YR 3/2) interior, moist; clay; moderate coarse subangular blocky, and weak fine and medium subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 2.5 fine roots; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter; clear wavy boundary. Lab sample # 82P04243. common fine roots
2BC—41 to 61 centimeters (16.1 to 24.0 inches); light brownish gray (10YR 6/2) interior, brown (10YR 5/3) interior, moist; silty clay loam; weak fine and medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 2.5 fine roots; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.8, pH meter; clear wavy boundary. Lab sample # 82P04244. common fine roots
2Ck—61 to 74 centimeters (24.0 to 29.1 inches); light gray (10YR 7/2) interior, brown (10YR 5/3) interior, moist; silty clay loam; massive; hard, friable, moderately sticky, moderately plastic; 0.5 fine roots; 2 percent fine and medium lime masses; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter; clear wavy boundary. Lab sample # 82P04245. few to common fine and medium soft masses of lime concentrations; few fine roots
2C1—74 to 113 centimeters (29.1 to 44.5 inches); light gray (10YR 7/2) interior, brown (10YR 5/3) interior, moist; silty clay loam; massive; hard, friable; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.8, pH meter; clear wavy boundary. Lab sample # 82P04246. Weak thin bedding planes evident.
2C2—113 to 170 centimeters (44.5 to 66.9 inches); light gray (10YR 7/2) interior, brown (10YR 5/3) interior, moist; silt loam; massive; hard, friable; fragments; strong effervescence, by hcl, 1n; very strongly alkaline, pH 9.4, pH meter. Lab sample # 82P04247. Weak thin bedding planes evident.