IDENTIFIERS

Current Taxon Name (Soil Name): Raub

OSD

Series Extent

User Site ID: 1965IL041001

User Pedon ID: 1965IL041001

Lab Information:

Certified Lab Pedon Description - no

Print Date: 12/9/2025

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: 39.6544917

Std. Longitude: -88.1396611

Datum: WGS84

Township: 14N

Range: 9E

Section: 13

PLSS Details: 895 feet north and 30 feet west of the southeast corner

Location Description: SE160, 425 feet south of the NE corner of the SE40 and 30 feet west of the road center

Map Unit: 481A—Raub silt loam, non-densic substratum, 0 to 2 percent slopes

Country: US—United States

State: Illinois

County: IL041—Douglas

MLRA: 108—Illinois and Iowa Deep Loess and Drift

Regional Office: NC—North Central

MLRA Soil Survey Area: NC-AUR—Aurora, Illinois

Non-MLRA Soil Survey Area: IL041—Douglas County, Illinois

7.5 Minute USGS Quad: 39088-F2—Hindsburg, Illinois

PEDON

Describers Name: DCH

Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aquic Argiudolls

Current Taxon Kind: series

Pedon Type: TUD pedon

Pedon Purpose: soil survey inventory

Pedon Record Orgin: NASIS

Pedon #: 1

Correlated Information:

Soil Name - Raub

PSC - 48 to 98 cm.

Classificaton Date - 4/3/2014

Soil Taxonomic Edition - eleventh edition

Moisture Class - udic

Moisture Subclass - aquic

Sampled As Information:

Soil Name - Raub

Taxonomic Class - Fine-silty, mixed, mesic Aquic Argiudolls

Taxon Kind - series

Classificaton Date - 8/19/1965

Classifier - DCH

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: loess over loamy till

Landscape: upland

Landform: till plain

Geomorphic Component Hills: interfluve

Hill Slope Profile: summit

Slope Shape Across: linear

Slope Shape Down: linear

Drainage Class: somewhat poorly

Flooding: none flooding

Ponding: none ponding

Surface Fragments:

Benchmark Soil?: yes

VEGETATION

SITE OBSERVATION

Observation Date: 8/19/1965 (actual site observation date)

Data Collector: DCH

Air Photo ID: A.S. 50

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

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon argillic horizon lithologic discontinuity	0—48 48—117 76—76	25—48—49 54—69—102 0—0—

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
0.5	—	—	209	—	90	1033	—	173	12	—	—	—	—	—	—	—	118684	Tuscola, IL	WETS

Ap—0 to 18 centimeters (0.0 to 7.1 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; moderate medium granular structure; friable; many (8.0) very fine roots throughout; fragments; neutral, pH 7.0, unspecified; abrupt smooth boundary.

A—18 to 41 centimeters (7.1 to 16.1 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; moderate fine granular, and moderate medium granular structure; friable; many (6.0) very fine roots throughout; fragments; moderately acid, pH 6.0, unspecified; clear smooth boundary.

BA—41 to 48 centimeters (16.1 to 18.9 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silty clay loam; moderate very fine subangular blocky structure; friable; many (6.0) very fine roots throughout; 65 percent distinct black (10YR 2/1), moist, organic stains on all faces of peds; fragments; moderately acid, pH 5.7, unspecified; clear smooth boundary.

Bt1—48 to 76 centimeters (18.9 to 29.9 inches); dark grayish brown (10YR 4/2) silty clay loam; moderate fine subangular blocky, and moderate medium subangular blocky structure; firm; few (0.5) very fine roots throughout; 65 percent distinct very dark grayish brown (10YR 3/2), moist, organoargillans on all faces of peds; 15 percent fine prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; fragments; moderately acid, pH 6.0, unspecified; clear smooth boundary.

2Bt2—76 to 102 centimeters (29.9 to 40.2 inches); brown (10YR 4/3) clay loam; moderate medium subangular blocky structure; firm; few (0.5) very fine roots throughout; 45 percent distinct very dark grayish brown (10YR 3/2), moist, organoargillans on all faces of peds; 15 percent fine faint grayish brown (2.5Y 5/2), moist, iron depletions in matrix and 15 percent fine distinct yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; 2 percent by volume 2-4-5 millimeter mixed fragments observed by visual inspection method; slightly acid, pH 6.5, unspecified; clear smooth boundary.

2BCt—102 to 117 centimeters (40.2 to 46.1 inches); light olive brown (2.5Y 5/4) clay loam; weak coarse subangular blocky structure; friable; few (0.5) very fine roots throughout; 20 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 30 percent medium distinct grayish brown (2.5Y 5/2), moist, iron depletions in matrix and 30 percent medium distinct yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; 3 percent by volume 2-4-5 millimeter mixed fragments observed by visual inspection method; neutral, pH 7.0, unspecified; clear smooth boundary.

2C—117 to 152 centimeters (46.1 to 59.8 inches); 55 percent grayish brown (2.5Y 5/2) and 45 percent yellowish brown (2.5Y 5/4) loam; structureless massive; firm; 4 percent by volume 2-4-5 millimeter mixed fragments observed by visual inspection method; strong effervescence; slightly alkaline, pH 7.8, unspecified.