IDENTIFIERS

Current Taxon Name (Soil Name): COULTERVILLE

OSD

Series Extent

User Site ID: S1990IL189050

User Pedon ID: S1990IL189050

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 91P0305

NCSS Pedon Lab Data NASIS Record ID - 63352

Print Date: 12/4/2024

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: 38.3819427

Std. Longitude: -89.4388885

Datum: WGS84

Township: 2S

Range: 3W

Section: 4

PLSS Details: 1910 feet E and 1720 feet N of the SW corner

State: Illinois

County: IL189—Washington

MLRA: 113—Central Claypan Areas

Non-MLRA Soil Survey Area: IL189—Washington County, Illinois

PEDON

Describers Name: KDB, MRG

Current Taxonomic Class: Fine-silty, mixed, mesic Aeric Ochraqualfs

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 50

Correlated Information:

Soil Name - COULTERVILLE

PSC - 23 to 73 cm.

Classificaton Date - 12/10/2004

Moisture Class - aquic

Sampled As Information:

Soil Name - Coulterville

Taxonomic Class - Fine-silty, mixed, mesic Aeric Ochraqualf

Taxon Kind - series

Classificaton Date - 10/4/1990

Moisture SUBClass - aeric

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: loess

Landform: upland slope

Drainage Class: somewhat poorly

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 10/4/1990 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - crop cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

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
—	—	—	140	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2) silt loam; 16 percent clay; moderate medium granular structure; friable; 3.0 fine roots and 0.5 coarse roots; fragments; neutral, pH 6.6; abrupt smooth boundary. Lab sample # 91P01873; moist when described;

E—13 to 23 centimeters (5.1 to 9.1 inches); dark grayish brown (10YR 4/2) silt loam; 20 percent clay; moderate medium platy structure; friable; 0.5 medium roots and 3.0 fine roots; 10 percent distinct dark grayish brown (10YR 4/2), moist, sand coats on all faces of peds; 10 percent iron-manganese nodules; fragments; neutral, pH 6.8; abrupt smooth boundary. Lab sample # 91P01874; moist when described;

Bt—23 to 36 centimeters (9.1 to 14.2 inches); brown (10YR 5/3) silty clay loam; 31 percent clay; 3 percent yellowish brown (10YR 5/6) medium distinct mottles; moderate medium subangular blocky structure; friable; 3.0 fine roots; 75 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 10 percent iron-manganese nodules; fragments; neutral, pH 6.8; clear smooth boundary. Lab sample # 91P01875; moist when described;

Btg1—36 to 48 centimeters (14.2 to 18.9 inches); grayish brown (10YR 5/2) silty clay loam; 34 percent clay; 3 percent yellowish brown (10YR 5/6) medium distinct mottles; moderate medium subangular blocky, and moderate medium prismatic structure; friable; 3.0 fine roots; 75 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 10 percent iron-manganese nodules; fragments; slightly alkaline, pH 7.4; gradual smooth boundary. Lab sample # 91P01876; moist when described;

Btg2—48 to 71 centimeters (18.9 to 28.0 inches); grayish brown (2.5Y 5/2) silty clay loam; 36 percent clay; 1 percent strong brown (7.5YR 4/6) fine prominent and 3 percent yellowish brown (10YR 5/6) medium prominent mottles; moderate medium prismatic structure; firm; 0.5 fine roots; 30 percent distinct grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; 10 percent iron-manganese nodules; fragments; slightly alkaline, pH 7.4; gradual smooth boundary. Lab sample # 91P01877; moist when described;

Btg3—71 to 94 centimeters (28.0 to 37.0 inches); light brownish gray (2.5Y 6/2) silty clay loam; 36 percent clay; 1 percent dark yellowish brown (10YR 4/4) medium distinct and 3 percent yellowish brown (10YR 5/6) medium distinct mottles; moderate medium prismatic structure; friable; 0.5 fine roots; 30 percent distinct grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; 10 percent iron-manganese nodules; 10 percent carbonate concretions; fragments; slightly alkaline, pH 7.8; gradual smooth boundary. Lab sample # 91P01878; moist when described;

Btg4—94 to 107 centimeters (37.0 to 42.1 inches); light olive gray (5Y 6/2) silty clay loam; 29 percent clay; 1 percent dark yellowish brown (10YR 4/4) medium prominent and 3 percent yellowish brown (10YR 5/8) medium prominent mottles; moderate medium prismatic structure; friable; 0.5 fine roots; 30 percent distinct olive gray (5Y 5/2), moist, clay films on all faces of peds; 30 percent iron-manganese nodules; 10 percent carbonate concretions; fragments; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # 91P01879; moist when described;

Btg5—107 to 132 centimeters (42.1 to 52.0 inches); light olive gray (5Y 6/2) silt loam; 24 percent clay; 3 percent yellowish brown (10YR 5/8) medium distinct and 3 percent brown (7.5YR 4/2) medium prominent mottles; weak medium prismatic structure; friable; 0.5 fine roots; 30 percent distinct olive gray (5Y 5/2), moist, clay films on all faces of peds; 30 percent iron-manganese nodules; 10 percent carbonate concretions; fragments; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # 91P01880; moist when described;

Btg6—132 to 152 centimeters (52.0 to 59.8 inches); light olive gray (5Y 6/2) silt loam; 22 percent clay; 1 percent dark yellowish brown (10YR 4/4) medium prominent and 1 percent brownish yellow (10YR 6/8) fine prominent mottles; weak medium prismatic structure; friable; 0.5 fine roots; 10 percent distinct gray (5Y 5/1), moist, clay films on all faces of peds; 10 percent iron-manganese nodules; fragments; slightly alkaline, pH 7.6. Lab sample # 91P01881; moist when described;