IDENTIFIERS

Current Taxon Name (Soil Name): Kewaunee

OSD

Series Extent

Local Phase: shallow to carbs

User Site ID: S2020WI039008

User Pedon ID: S2020WI039008

User Site Association ID: MLRA 95 - Kewaunee silt loam, 2 to 6 percent slopes

Lab Information:

Certified Lab Pedon Description - no

User Project ID: 202211JUE000

Project Name: MLRA 95 - Kewaunee silt loam, 2 to 6 percent slopes

Print Date: 12/5/2025

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: 43.8181100

Std. Longitude: -88.5645600

Datum: WGS84

Township: 16N

Range: 16E

Section: 34

Map Unit: zKnB—Kewaunee silt loam, 2 to 6 percent slopes

State: Wisconsin

County: WI039—Fond du Lac

MLRA: 95—Eastern Wisconsin, Northern Illinois, and Upper Michigan Drift Plain

MLRA Soil Survey Area: NC-JUE—Juneau, Wisconsin

7.5 Minute USGS Quad: 43088-G5—Eldorado, Wisconsin

PEDON

Describers Name: C. Miller, K. Petges and N. Irizarry

Current Taxonomic Class: Fine, mixed, active, mesic Oxyaquic Hapludalfs

Current Taxon Kind: taxadjunct

Pedon Type: taxadjunct to the series

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: NASIS

Sampled As Information:

Soil Name - Kewaunee

Taxonomic Class - Fine, mixed, active, mesic Oxyaquic Hapludalfs

Taxon Kind - taxadjunct

PSC - 20 to 88 cm.

Classificaton Date - 9/2/2020

Classifier - K. Hanson

Soil Taxonomic Edition - twelfth edition

Moisture Class - udic

Moisture SUBClass - oxyaquic

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: calcareous clayey till over calcareous, dense clayey till

Geomorphic Component Hills: interfluve

Hill Slope Profile: summit

Slope Shape Across: linear

Slope Shape Down: convex

Drainage Class: moderately well

Surface Fragments:

Benchmark Soil?: yes

VEGETATION

SITE OBSERVATION

Observation Date: 9/2/2020 (actual site observation date)

Data Collector: C. Miller, K. Petges and N. Irizarry

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - other grass/herbaceous cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Current Weather - sunny

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
densic material	noncoherent	125 - 200	- 75 -

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon redox depletions with chroma 2 or less redox concentrations densic materials	0—20 20—88 71—125 71—125 125—200	—20— —68— —37— —37— —75—

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	—	—	261	—	320	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark brown (7.5YR 3/2), pinkish gray (7.5YR 6/2), dry; silt loam; 23 percent clay; weak fine subangular blocky parts to weak fine granular structure; friable; many medium roots throughout and many fine roots throughout; many medium moderate-continuity dendritic tubular pores; 4 percent by volume 2-40-75 millimeter mixed fragments; noneffervescent; neutral, pH 6.8, pH indicator solutions; abrupt smooth boundary.; slightly moist when described; observed in pit, small. Pedon had <1/4in of Oe above the Ap horizon. Field was farmed into 1990.

Bt1—20 to 52 centimeters (7.9 to 20.5 inches); reddish brown (5YR 4/4) silty clay loam; 36 percent clay; moderate medium subangular blocky structure; firm; common medium roots throughout and many fine roots throughout; common fine moderate-continuity dendritic tubular pores; 20 percent faint reddish brown (5YR 4/3), moist, organoargillans on all faces of peds; 2 percent by volume 75-162-250 millimeter dolomite (dolostone) fragments and 3 percent by volume 2-40-75 millimeter mixed fragments; slight effervescence; moderately alkaline, pH 8.0; gradual wavy boundary.; moist when described;

Bt2—52 to 71 centimeters (20.5 to 28.0 inches); reddish brown (5YR 4/4) silty clay loam; 35 percent clay; moderate medium prismatic parts to moderate fine subangular blocky structure; firm; common very fine roots throughout and fine roots throughout; common very fine low-continuity dendritic tubular pores; 20 percent faint reddish brown (5YR 4/3), moist, organoargillans on all faces of peds and 20 percent distinct pink (5YR 7/3), moist, carbonate coats on all faces of peds; 2 percent by volume 75-162-250 millimeter dolomite (dolostone) fragments and 3 percent by volume 2-40-75 millimeter mixed fragments; strong effervescence; moderately alkaline, pH 8.2; gradual wavy boundary.; moist when described;

Bt3—71 to 88 centimeters (28.0 to 34.6 inches); reddish brown (5YR 4/4) silty clay loam; 35 percent clay; moderate medium prismatic parts to moderate fine subangular blocky structure; firm; few very fine roots throughout; few very fine low-continuity tubular pores; 12 percent faint reddish brown (5YR 4/3), moist, organoargillans on all faces of peds and 20 percent distinct pink (5YR 7/3), moist, carbonate coats on all faces of peds; 3 percent fine distinct yellowish red (5YR 5/6), moist, iron-manganese masses in matrix and 5 percent fine distinct reddish gray (5YR 5/2), moist, iron depletions in matrix; 3 percent by volume 2-40-75 millimeter mixed fragments and 3 percent by volume 75-162-250 millimeter dolomite (dolostone) fragments; strong effervescence; strongly alkaline, pH 8.5; gradual wavy boundary.; moderately moist when described;. Numerous seeps in the pit walls at 30in/76cm.

BC—88 to 125 centimeters (34.6 to 49.2 inches); reddish brown (5YR 4/4) silty clay loam; 35 percent clay; moderate medium subangular blocky parts to weak medium subangular blocky structure; firm; few very fine low-continuity tubular pores; 40 percent faint light reddish brown (5YR 6/3), moist, carbonate coats on all faces of peds; 3 percent fine distinct yellowish red (5YR 5/6), moist, iron-manganese masses in matrix and 10 percent fine distinct gray (5YR 5/1), moist, iron depletions in matrix; 1 percent by volume 75-162-250 millimeter dolomite (dolostone) fragments and 3 percent by volume 2-40-75 millimeter mixed fragments; violent effervescence; strongly alkaline, pH 8.5; gradual wavy boundary.; very moist when described;

2Cd—125 to 200 centimeters (49.2 to 78.7 inches); reddish brown (5YR 4/4) silty clay loam; 35 percent clay; massive; firm; 15 percent faint light reddish brown (5YR 6/3), moist, carbonate coats on all faces of peds; 2 percent by volume 2-40-75 millimeter mixed fragments; slight effervescence; strongly alkaline, pH 8.5.; dry when described;