IDENTIFIERS
Current Taxon Name (Soil Name):
Darwin
OSD
Series Extent
User Site ID:
1966IL059001
User Pedon ID:
1966IL059001
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
IL SCL
Lab Pedon # -
66IL059001
NCSS Pedon Lab Data NASIS Record ID -
20610
Print Date:
5/20/2024
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:
37.8038990
Std. Longitude:
-88.2269874
Datum:
WGS84
Township:
8S
Range:
9E
Section:
28
PLSS Details:
135 feet south of center of bridge and 82 feet east of center of gravel road
State:
Illinois
County:
IL059—Gallatin
Non-MLRA Soil Survey Area:
IL059—Gallatin County, Illinois
7.5 Minute USGS Quad:
37088-G2—New Haven SW, Illinois
PEDON
Describers Name:
JBF, JDA, BWR
Current Taxonomic Class:
Fine, smectitic, mesic Fluvaquentic Vertic Endoaquolls
Current Taxon Kind:
series
Pedon Purpose:
full pedon description
Pedon Record Orgin:
PedonPC
Pedon #:
1
Correlated Information:
Soil Name -
Darwin
PSC -
25 to 100 cm.
Classificaton Date -
7/10/2009
Moisture Class -
aquic
Sampled As Information:
Soil Name -
Shiloh
Classificaton Date -
10/1/1966
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
alluvium
Drainage Class:
very poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
10/1/1966 (actual site observation date)
Air Photo ID:
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
Site Obs. Cover Kind 2 -
row crop
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Yield Study ID -
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
3
—
—
114
—
—
—
—
14.4
—
—
—
—
—
—
—
—
—
—
Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark gray (10YR 3/1) silty clay; moderate fine granular structure; firm; fragments; slightly alkaline, pH 7.6; abrupt smooth boundary. Lab sample # IL20209
A1—18 to 46 centimeters (7.1 to 18.1 inches); very dark gray (10YR 3/1) silty clay; moderate medium subangular blocky structure; firm; fragments; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL20210
B21g—46 to 66 centimeters (18.1 to 26.0 inches); very dark gray (10YR 3/1) silty clay; 1 percent olive brown (2.5Y 4/4) fine distinct mottles; strong medium subangular blocky structure; firm; very dark gray (10YR 3/1), moist, organoargillans on all faces of peds; 1 percent fine iron-manganese concretions; fragments; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL20211. continuous - phpvsfiid 464111; continuous - phpvsfiid 464111
B22g—66 to 81 centimeters (26.0 to 31.9 inches); very dark gray (10YR 3/1) silty clay; 10 percent olive brown (2.5Y 4/4) fine distinct mottles; strong medium angular blocky structure; firm; dark gray (10YR 4/1), moist, organoargillans on all faces of peds; 1 percent fine iron-manganese concretions; 1 percent carbonate concretions; fragments; slightly alkaline, pH 7.6; gradual smooth boundary. Lab sample # IL20212. continuous - phpvsfiid 464112; continuous - phpvsfiid 464112
B23g—81 to 99 centimeters (31.9 to 39.0 inches); gray (5Y 5/1) silty clay; 10 percent olive brown (2.5Y 4/4) medium distinct mottles; strong medium angular blocky structure; firm; dark gray (10YR 4/1), moist, organoargillans on all faces of peds; 1 percent fine iron-manganese concretions; 10 percent carbonate concretions; fragments; slightly alkaline, pH 7.8; clear smooth boundary. Lab sample # IL20213. continuous - phpvsfiid 464113; continuous - phpvsfiid 464113
B31g—99 to 127 centimeters (39.0 to 50.0 inches); gray (5Y 5/1) silty clay; 10 percent olive brown (2.5Y 4/4) medium distinct mottles; moderate coarse angular blocky structure; firm; dark gray (5Y 4/1), moist, clay films on all faces of peds; 10 percent fine iron-manganese concretions; 10 percent carbonate concretions; fragments; slight effervescence; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL20214. continuous - phpvsfiid 464114; continuous - phpvsfiid 464114
B32g—127 to 150 centimeters (50.0 to 59.1 inches); gray (10YR 5/1) silty clay loam; 25 percent strong brown (7.5YR 5/6) medium prominent mottles; weak medium angular blocky structure; firm; dark gray (10YR 4/1), moist, clay films on vertical faces of peds; 10 percent fine iron-manganese concretions; 1 percent carbonate concretions; fragments; slight effervescence; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL20215. discontinuous - phpvsfiid 464115; discontinuous - phpvsfiid 464115
Cg—150 to 180 centimeters (59.1 to 70.9 inches); greenish gray (5G 5/1) silty clay loam; 10 percent olive brown (2.5Y 4/4) medium prominent and 25 percent strong brown (7.5YR 5/6) medium prominent mottles; massive; firm; fragments; slight effervescence; slightly alkaline, pH 7.6. Lab sample # IL20216