IDENTIFIERS

Current Taxon Name (Soil Name): Martinton

OSD

Series Extent

User Site ID: 77IL105001a

User Pedon ID: 77IL105001a

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 40A2787

NCSS Pedon Lab Data NASIS Record ID - 37367

Print Date: 2/16/2025

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: 40.8466900

Std. Longitude: -88.4097644

Datum: WGS84

Township: 27N

Range: 7E

Section: 3

PLSS Details: 942 feet E and 78 feet S of NW corner

Location Description: About 3 miles S of Saunemin.

State: Illinois

County: IL105—Livingston

MLRA: 108—Illinois and Iowa Deep Loess and Drift

Non-MLRA Soil Survey Area: IL105—Livingston County, Illinois

PEDON

Describers Name: J. W. Scott, L. M. Kiefer and M. Walker.

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

Current Taxon Kind: series

Pedon Type: map unit inclusion

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 1

Correlated Information:

Soil Name - Martinton

PSC - 40 to 90 cm.

Classificaton Date - 5/14/2009

Soil Taxonomic Edition - tenth edition

Moisture Class - udic

Sampled As Information:

Soil Name - Swygert

Classificaton Date - 8/28/1977

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: upland

Landform: dead ice moraine

Drainage Class: somewhat poorly

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 8/28/1977 (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
1	—	—	—	—		914	—	—	11.7	—	—	—	—	—	—	—	—	—	—

Ap1—0 to 18 centimeters (0.0 to 7.1 inches); black (10YR 2/1) and black (10YR 2/1) rubbed, dark gray (10YR 4/1), dry; silt loam; moderate very fine granular structure; very friable; fragments; neutral, pH 6.9, hellige-truog; abrupt smooth boundary. Lab sample # 40A22003

Ap2—18 to 25 centimeters (7.1 to 9.8 inches); black (10YR 2/1) and black (10YR 2/1) rubbed, dark gray (10YR 4/1), dry; silt loam; moderate medium subangular blocky structure; friable; fragments; neutral, pH 6.9, hellige-truog; abrupt smooth boundary. Lab sample # 40A22004. Compacted due to tillage.

B1t—25 to 41 centimeters (9.8 to 16.1 inches); black (10YR 2/1) and very dark grayish brown (10YR 3/2) rubbed, dark gray (10YR 4/1), dry; silty clay loam; 1 percent dark grayish brown (10YR 4/2) fine faint mottles; moderate very fine subangular blocky structure; firm; black (10YR 2/1), moist, clay films on faces of peds; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 40A22005. discontinuous - phpvsfiid 393345; discontinuous - phpvsfiid 393345

B21t—41 to 53 centimeters (16.1 to 20.9 inches); brown (10YR 4/3) silty clay; 3 percent yellowish brown (10YR 5/6) fine distinct and 3 percent grayish brown (10YR 5/2) fine distinct mottles; moderate very fine and fine subangular blocky structure; firm; very dark gray (10YR 3/1), moist, coats on faces of peds; 3 percent fine iron-manganese masses; fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # 40A22006. continuous - phpvsfiid 393346; continuous - phpvsfiid 393346

B22t—53 to 79 centimeters (20.9 to 31.1 inches); brown (10YR 4/3) silty clay; 3 percent grayish brown (10YR 5/2) medium distinct and 3 percent gray (5Y 5/1) medium prominent mottles; moderate fine and medium prismatic parts to moderate medium subangular blocky structure; very firm; very dark gray (10YR 3/1), moist, clay films on faces of peds and grayish brown (10YR 5/2), moist, clay films on faces of peds; 3 percent fine iron-manganese masses; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 40A22007. continuous - phpvsfiid 393339; continuous - phpvsfiid 393340; continuous - phpvsfiid 393339; continuous - phpvsfiid 393340

B3—79 to 97 centimeters (31.1 to 38.2 inches); olive brown (2.5Y 4/4) silty clay; 1 percent yellowish brown (10YR 5/6) medium distinct and 21 percent gray (5Y 5/1) medium distinct mottles; moderate medium prismatic structure; dark gray (10YR 4/1), moist, clay films on faces of peds; 1 percent fine iron-manganese masses; 1 percent fine noncoherent cemented white (10YR 8/1) carbonate masses; fragments; slight effervescence; moderately alkaline, pH 7.9, hellige-truog; gradual smooth boundary. Lab sample # 40A22008. discontinuous - phpvsfiid 393341; discontinuous - phpvsfiid 393341

IIC1—97 to 127 centimeters (38.2 to 50.0 inches); olive brown (2.5Y 4/4) silty clay loam; 3 percent gray (5Y 5/1) medium prominent mottles; weak coarse prismatic structure; very firm; dark gray (10YR 4/1), moist, organic stains in root channels and/or pores and gray (5Y 6/1), moist, coats on faces of peds; 1 percent fine iron-manganese masses; 1 percent fine white (10YR 8/1) carbonate concretions; fragments; strong effervescence; slightly alkaline, pH 7.8, hellige-truog; gradual smooth boundary. Lab sample # 40A22009

IIC2—127 to 152 centimeters (50.0 to 59.8 inches); dark grayish brown (2.5Y 4/2) silty clay loam; 1 percent light olive brown (2.5Y 5/6) medium distinct mottles; weak very coarse prismatic structure; very firm; carbonate coats on faces of peds; 1 percent fine yellowish brown (10YR 5/8) iron-manganese masses; fragments; strong effervescence; slightly alkaline, pH 7.8, hellige-truog. Lab sample # 40A22010. Few fine dark accumulations (Fe & Mn oxides).