IDENTIFIERS

Current Taxon Name (Soil Name): Iva

OSD

Series Extent

User Site ID: 1929IL163002

User Pedon ID: 1929IL163002

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - IL SCL

Lab Pedon # - 29IL163002

NCSS Pedon Lab Data NASIS Record ID - 20376

Print Date: 11/12/2024

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: 38.4425160

Std. Longitude: -90.1264068

Datum: WGS84

Township: 1S

Range: 9W

Section: 17

Location Description: 100YDS SW of oil road running S from Rt 158

State: Illinois

County: IL163—St. Clair

MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain

Non-MLRA Soil Survey Area: IL163—St. Clair County, Illinois

PEDON

Describers Name: JBF

Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aeric Endoaqualfs

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: full pedon description

Pedon Record Orgin: PedonPC

Pedon #: 2

Correlated Information:

Soil Name - Iva

PSC - 56 to 106 cm.

Classificaton Date - 2/22/2010

Moisture Class - aquic

Moisture Subclass - aeric

Sampled As Information:

Soil Name - Weir

Classificaton Date - 9/1/1929

Dynamic Soil Properties:

Erosion Class - 0

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: loess

Drainage Class: poorly

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 9/1/1929 (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
1	—	—	—	—	180	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark grayish brown (10YR 4/2) and grayish brown (10YR 5/2) silt, silt loam; weak fine granular structure; friable; 25 percent iron-manganese concretions between peds; ; fragments; abrupt smooth boundary. Lab sample # IL13648

A21—15 to 28 centimeters (5.9 to 11.0 inches); grayish brown (10YR 5/2) silt loam; weak coarse platy structure; friable; 6.0 pores; 25 percent iron-manganese concretions between peds; fragments. Lab sample # IL13649

A22—28 to 48 centimeters (11.0 to 18.9 inches); gray (10YR 6/1) silt loam; 25 percent brown (10YR 4/3) medium distinct mottles; weak coarse platy, and moderate coarse platy structure; friable; 6.0 pores; 25 percent iron-manganese concretions between peds; fragments; abrupt smooth boundary. Lab sample # IL13650

A2-B2—48 to 56 centimeters (18.9 to 22.0 inches); light brownish gray (10YR 6/2) silty clay loam; 10 percent brown (10YR 4/3) medium distinct mottles; moderate coarse angular blocky structure; firm; 3.0 pores; gray (10YR 5/1), moist, clay films on all faces of peds; 25 percent fine iron-manganese concretions between peds; ; fragments; abrupt smooth boundary. Lab sample # IL13651. discontinuous - phpvsfiid 429714; discontinuous - phpvsfiid 429714

B21—56 to 89 centimeters (22.0 to 35.0 inches); grayish brown (2.5Y 5/2) silty clay loam; 25 percent strong brown (7.5YR 5/8) medium prominent mottles; weak medium prismatic parts to moderate medium angular blocky structure; firm; 6.0 pores; gray (10YR 5/1), moist, clay films on all faces of peds; 25 percent fine iron-manganese concretions between peds; fragments; clear smooth boundary. Lab sample # IL13652. continuous - phpvsfiid 429715; continuous - phpvsfiid 429715

B22—89 to 112 centimeters (35.0 to 44.1 inches); light brownish gray (10YR 6/2) and grayish brown (10YR 5/2) silty clay loam; 25 percent brown (7.5YR 4/4) coarse prominent and 25 percent strong brown (7.5YR 5/8) coarse prominent mottles; moderate medium angular blocky structure; firm; gray (10YR 5/1), moist, clay films on all faces of peds; 25 percent iron-manganese concretions between peds; fragments; gradual smooth boundary. Lab sample # IL13653. continuous - phpvsfiid 429717; continuous - phpvsfiid 429717

B31—112 to 135 centimeters (44.1 to 53.1 inches); grayish brown (2.5Y 5/2) silty clay loam; 25 percent strong brown (7.5YR 5/8) coarse prominent mottles; weak coarse angular blocky, and moderate coarse angular blocky structure; firm; gray (10YR 5/1), moist, clay films on all faces of peds; 25 percent fine iron-manganese concretions between peds; fragments; gradual smooth boundary. Lab sample # IL13654. discontinuous - phpvsfiid 429716; discontinuous - phpvsfiid 429716

B32—135 to 152 centimeters (53.1 to 59.8 inches); grayish brown (2.5Y 5/2) silt loam; 25 percent strong brown (7.5YR 5/8) coarse prominent mottles; weak coarse angular blocky structure; firm; gray (10YR 5/1), moist, clay films on all faces of peds; 10 percent gray (2.5Y 6/1), moist, worm casts; fragments; gradual smooth boundary. Lab sample # IL13655. discontinuous - phpvsfiid 429718; discontinuous - phpvsfiid 429718

C1—152 to 203 centimeters (59.8 to 79.9 inches); gray (5Y 5/1) and olive gray (5Y 5/2) silt loam; 25 percent strong brown (7.5YR 5/8) coarse prominent mottles; massive; friable; fragments; gradual smooth boundary. Lab sample # IL13656, IL13657. Horizon split for sampling: IL13656 152 to 183 cm, IL13657 183 to 203 cm.

IIC1—203 to 244 centimeters (79.9 to 96.1 inches); gray (10YR 5/1) silt loam; 10 percent strong brown (7.5YR 5/6) coarse prominent and 10 percent strong brown (7.5YR 5/8) coarse prominent mottles; massive; friable; fragments; clear smooth boundary. Lab sample # IL13658

IIC2—244 to 279 centimeters (96.1 to 109.8 inches); brown (7.5YR 5/2) silt loam; 10 percent brown (7.5YR 4/4) coarse distinct and 10 percent strong brown (7.5YR 5/8) coarse distinct mottles; massive; firm; fragments. Lab sample # IL13659

IIIC—279 centimeters (109.8 inches); silty clay loam; fragments.