IDENTIFIERS
Current Taxon Name (Soil Name):
Benfield
OSD
Series Extent
User Site ID:
89KS161043
User Pedon ID:
89KS161043
User Site Association ID:
Fort Riley LCTA
Lab Information:
Certified Lab Pedon Description -
no
Lab Pedon # -
90P0078
NCSS Pedon Lab Data NASIS Record ID -
62011
Print Date:
4/27/2025
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:
39.1978079
Std. Longitude:
-96.6975302
Datum:
WGS84
Township:
10 S
Range:
7 E
Section:
7
PLSS Details:
2000 feet south and 2300 feet west of the northeast corner
State:
Kansas
County:
KS161—Riley
MLRA:
76—Bluestem Hills
Non-MLRA Soil Survey Area:
KS161—Riley County, Kansas
7.5 Minute USGS Quad:
39096-B6—Keats, Kansas
PEDON
Describers Name:
Fortner, J., Watts, C., Wehmueller, W.
Current Taxonomic Class:
Fine, mixed, superactive, mesic Udic Argiustolls
Current Taxon Kind:
series
Pedon Type:
not classified to current taxon name
Pedon Purpose:
research site
Pedon Record Orgin:
Converted from PDP 3.x
Sampled As Information:
Soil Name -
Benfield
Taxonomic Class -
Fine, mixed, superactive, mesic Udic Argiustolls
Taxon Kind -
series
PSC -
25 to 76 cm.
Classificaton Date -
10/2/1989
Moisture Class -
ustic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
clayey residuum weathered from calcareous shale
Landscape:
hills
Landform:
hillside
Geomorphic Component Hills:
side slope
Hill Slope Profile:
footslope
Slope Position:
upper third
Slope Shape Across:
convex
Slope Shape Down:
concave
Runoff:
high
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
10/2/1989 (actual site observation date)
Air Photo ID:
25
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
mollic epipedon
argillic horizon
0—48
25—89
—48—
—64—
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
28
—
—
384
—
120
0
—
—
—
—
—
—
—
—
—
—
—
—
—
A—0 to 13 centimeters (0.0 to 5.1 inches); dark gray (10YR 4/1), black (10YR 2/1), moist; silty clay loam; strong fine and medium granular structure; hard when dry, firm; 10.0 fine and medium roots throughout; 10 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; gradual smooth boundary. 90P0525
BA—13 to 25 centimeters (5.1 to 9.8 inches); dark gray (10YR 4/1), very dark gray (10YR 3/1), moist; gravelly silty clay loam; strong fine subangular blocky structure; very hard, firm; 10.0 fine and medium roots throughout; 25 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; clear wavy boundary. 90P0526
2Bt1—25 to 48 centimeters (9.8 to 18.9 inches); brown (7.5YR 4/2), dark brown (7.5YR 3/2), moist; silty clay; moderate fine subangular blocky structure; very hard, very firm; 1.0 medium roots throughout and 6.0 fine roots throughout; 30 percent distinct very dark grayish brown (10YR 3/2) clay films on faces of peds; 5 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; slight effervescence; clear wavy boundary. 90P0527; discontinuous - phpvsfiid 22857; discontinuous - phpvsfiid 22857
2Bt2—48 to 66 centimeters (18.9 to 26.0 inches); 25 percent light olive gray (5Y 6/2) and 75 percent brown (7.5YR 5/2), 25 percent olive gray (5Y 5/2) and 75 percent brown (7.5YR 4/2), moist; silty clay; moderate fine subangular blocky structure; very hard, firm; 1.0 fine and medium roots throughout; 30 percent distinct clay films on faces of peds; fragments; slight effervescence; clear irregular boundary. 90P0528; discontinuous - phpvsfiid 22858; discontinuous - phpvsfiid 22858
2Btk—66 to 89 centimeters (26.0 to 35.0 inches); pinkish gray (5YR 6/2), reddish gray (5YR 5/2), moist; clay; 10 percent reddish brown (5YR 5/3) medium faint mottles; weak medium subangular blocky structure; extremely hard, very firm; 1.0 fine roots throughout; 10 percent medium spherical carbonate masses and 10 percent medium and coarse spherical carbonate concretions; fragments; strong effervescence; gradual wavy boundary. 90P0529
2C1—89 to 114 centimeters (35.0 to 44.9 inches);, 15 percent pale brown (10YR 6/3) and 15 percent weak red (2.5YR 4/2) and 70 percent reddish gray (5YR 5/2), moist; clay; 10 percent reddish brown (5YR 5/4) medium distinct mottles; weak thin platy, and weak medium subangular blocky structure; extremely hard, very firm; 1.0 fine roots between peds; 10 percent medium spherical carbonate masses; fragments; clear wavy boundary. 90P0530; the platy structure is related to the shale rock structure and in places is vertical
2C2—114 to 145 centimeters (44.9 to 57.1 inches);, 40 percent weak red (2.5YR 5/2) and 60 percent pinkish gray (5YR 6/2), moist; silty clay; 10 percent yellowish red (5YR 5/6) medium distinct mottles; weak thin platy, and moderate fine subangular blocky structure; very hard, firm; 1.0 fine roots between peds; 30 percent distinct reddish brown (5YR 5/3) clay films on vertical faces of peds; 5 percent medium spherical carbonate masses; fragments; strong effervescence; gradual wavy boundary. 90P0531; highly weathered shale with a limestone layer that is about 3 cm. thick and is highly fractured; continuous - phpvsfiid 21505; continuous - phpvsfiid 21505
2—145 to 150 centimeters (57.1 to 59.1 inches);, reddish brown (5YR 5/3) and light reddish brown (5YR 6/4), moist; fragments. 90P0532; clayey shale