IDENTIFIERS

Current Taxon Name (Soil Name): Harpster

OSD

Series Extent

User Site ID: 1964IL179001

User Pedon ID: 1964IL179001

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - IL SCL

Lab Pedon # - 64IL179001

NCSS Pedon Lab Data NASIS Record ID - 20568

User Project ID: 201511AUR014

Project Name: SDJR - MLRA 108A - Harpster silty clay loam, 0 to 2 percent slopes

Print Date: 5/11/2024

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: 40.3288059

Std. Longitude: -89.6436213

Datum: WGS84

Township: 22N

Range: 5W

Section: 27

Location Description: 24FT S of center of lane to Fred Hoeft House

Map Unit: 67A—Harpster silty clay loam, 0 to 2 percent slopes

State: Illinois

County: IL179—Tazewell

MLRA: 108—Illinois and Iowa Deep Loess and Drift

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

Non-MLRA Soil Survey Area: IL179—Tazewell County, Illinois

PEDON

Describers Name: HLW, BWR, JDA

Current Taxonomic Class: Fine-loamy, mixed, superactive, calcareous, mesic Typic Endoaquolls

Current Taxon Kind: taxadjunct

Pedon Type: taxadjunct to the series

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: PedonPC

Pedon #: 1

Correlated Information:

Soil Name - Harpster

PSC - 25 to 100 cm.

Classificaton Date - 7/22/2015

Soil Taxonomic Edition - twelfth edition

Moisture Class - aquic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Harpster

Taxonomic Class - Fine-silty, mixed, mesic Typic Calciaquolls

Taxon Kind - series

Classificaton Date - 11/1/1964

Dynamic Soil Properties:

Erosion Class - 0

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: calcareous loess

Drainage Class: poorly

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 11/1/1964 (actual site observation date)

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 Horizon Lab Results - 1
Horizon	Top Depth	Bottom Depth	Sample ID	Data Collector	Total Clay	CaCO3 Clay	Total Silt	Fine Silt	Co. Silt	Total Sand	Total Sand Method	VC Sand	Co. Sand	Med. Sand	Fine Sand	VF Sand	VF Sand Method	Texture Class - Field Lab	Rubbed Fiber	Unrubbed Fiber	pH H2O
	cm	cm			%	%	%	%	%	%		%	%	%	%	%			%	%
Akp Ak1 Ak2 BAkg Bg1 Bg2 Bg3 BCkg Cg1 Cg1 Cg2	0 20 36 48 58 64 74 86 104 119 137	20 36 48 58 64 74 86 104 119 137 152	IL19756 IL19757 IL19758 IL19759 IL19760 IL19761 IL19762 IL19763 IL19764 IL19765 IL19766	— — — — — — — — — — —	30 23 20 17 13 30 28 30 26 24 33	— 5 — — — — 14 — 7 7 9	48 39 29 31 26 47 56 64 69 70 63	32 26 18 19 13 29 32 46 48 48 44	16 13 10 12 13 18 24 17 20 22 18	21 37 50 50 60 21 14 5 4 4 2	— — — — — — — — — — —	— — — — — — — — — — —	— 1 2 2 2 1 1 — — — —	3 8 11 11 12 4 3 — — — —	10 17 26 26 31 10 5 1 1 — —	7 9 10 10 13 4 3 2 3 3 2	— — — — — — — — — — —	cl l l l fsl cl sicl sicl sil sil sicl	— — — — — — — — — — —	— — — — — — — — — — —	7.7 7.8 7.9 8 8 7.8 7.9 8 — — 7.9

Pedon Horizon Lab Results - 2
Horizon	Top Depth	Bottom Depth	Sample ID	pH CaCl2	pH NaF	pH Ox	Delta pH	LL	PL	PI	Atter. Samp. Cond.	COLE	Pot. Acidity	Ca + Mg - Meh 2	K	Ca + Mg - Sat. Paste	KCl Extract. Acidity	Base Sat. - Meh 2	CEC-7	CEC-8.2
	cm	cm						%	%	%		cm/cm	meq/100g	cmol(+)/kg	cmol(+)/kg	mmol(+)/l	cmol(+)/kg	%	cmol(+)/kg	cmol(+)/kg
Akp Ak1 Ak2 BAkg Bg1 Bg2 Bg3 BCkg Cg1 Cg1 Cg2	0 20 36 48 58 64 74 86 104 119 137	20 36 48 58 64 74 86 104 119 137 152	IL19756 IL19757 IL19758 IL19759 IL19760 IL19761 IL19762 IL19763 IL19764 IL19765 IL19766	— — — — — — — — 8 7.9 —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —		— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —

Pedon Horizon Lab Results - 3
Horizon	Top Depth	Bottom Depth	Sample ID	ECEC	Phosphate P	NO3-N	EC	EC Method	EC 1:5 by volume	CaCO3 Equiv.	Equiv. Gypsum	Na	SAR	Gypsum Req.	Humic Color	Fulvic Color	Humic + Fulvic Color	Al	PI	Pyro. Hue	PyrO. Value	Pyro. Chroma
	cm	cm		cmol(+)/kg	mg/kg	mg/kg	dS/m		dS/m	%	%	mmol(+)/l	%	L-pcu/g	L-pcu/g	L-pcu/g	%
Akp Ak1 Ak2 BAkg Bg1 Bg2 Bg3 BCkg Cg1 Cg1 Cg2	0 20 36 48 58 64 74 86 104 119 137	20 36 48 58 64 74 86 104 119 137 152	IL19756 IL19757 IL19758 IL19759 IL19760 IL19761 IL19762 IL19763 IL19764 IL19765 IL19766	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	41 36 27 27 10 3 9 42 50 49 34	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon calcic horizon cambic horizon	0—58 0—58 58—104	—58— —58— —46—

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	—	—	—	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

Akp—0 to 20 centimeters (0.0 to 7.9 inches); black (10YR 2/1) clay loam; moderate fine subangular blocky structure; friable; 10 percent by volume shell fragments fragments; strong effervescence; slightly alkaline, pH 7.6; abrupt smooth boundary. Lab sample # IL19756

Ak1—20 to 36 centimeters (7.9 to 14.2 inches); very dark gray (10YR 3/1) loam; weak fine granular structure; friable; 25 percent fine dark yellowish brown (10YR 4/4), moist, iron-manganese concretions throughout; 3 percent by volume shell fragments fragments observed by visual inspection method; violent effervescence; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL19757

Ak2—36 to 48 centimeters (14.2 to 18.9 inches); very dark gray (10YR 3/1) loam; weak fine granular structure; friable; 25 percent fine dark brown (7.5YR 3/2), moist, iron-manganese concretions throughout; 3 percent by volume shell fragments fragments observed by visual inspection method; violent effervescence; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL19758

BAkg—48 to 58 centimeters (18.9 to 22.8 inches); very dark gray (10YR 3/1) loam; weak fine subangular blocky structure; friable; 1 percent fine dark brown (7.5YR 3/2), moist, iron-manganese concretions throughout and 1 percent fine faint dark gray (10YR 4/1), moist, iron depletions in matrix; 3 percent by volume shell fragments fragments; strong effervescence; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL19759

Bg1—58 to 64 centimeters (22.8 to 25.2 inches); 50 percent light brownish gray (2.5Y 6/2) and 50 percent dark gray (10YR 4/1) fine sandy loam; weak fine subangular blocky structure; friable; 1 percent fine prominent strong brown (7.5YR 5/6), moist, masses of oxidized iron in matrix; 3 percent by volume shell fragments fragments observed by visual inspection method; strong effervescence; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL19760

Bg2—64 to 74 centimeters (25.2 to 29.1 inches); 70 percent dark gray (10YR 4/1) and 30 percent light brownish gray (2.5Y 6/2) clay loam; weak medium subangular blocky structure; friable; 10 percent fine prominent strong brown (7.5YR 5/6), moist, masses of oxidized iron in matrix and 25 percent fine black (7.5YR 2/1), moist, iron-manganese concretions throughout; 3 percent by volume shell fragments fragments observed by visual inspection method; violent effervescence; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL19761

Bg3—74 to 86 centimeters (29.1 to 33.9 inches); variegated 60 percent grayish brown (10YR 5/2) and 20 percent dark gray (10YR 4/1) and 20 percent yellowish brown (10YR 5/6) silty clay loam; weak coarse angular blocky structure; friable; 25 percent fine black (7.5YR 2.5/1), moist, iron-manganese concretions throughout; fragments; violent effervescence; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL19762

BCkg—86 to 104 centimeters (33.9 to 40.9 inches); gray (5Y 6/1) silty clay loam; weak coarse subangular blocky structure; friable; 1 percent fine very dark brown (7.5YR 2/2), moist, iron-manganese concretions throughout and 10 percent fine prominent yellowish brown (10YR 5/8) masses of oxidized iron in matrix; 10 percent fine prominent white (10YR 8/1), moist, carbonate concretions throughout; fragments; violent effervescence; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL19763

Cg1—104 to 137 centimeters (40.9 to 53.9 inches); variegated 40 percent gray (5Y 6/1) and 30 percent light olive gray (5Y 6/2) and 30 percent yellowish brown (10YR 5/6) silt loam; structureless massive; friable; 10 percent fine prominent white (10YR 8/1), moist, carbonate concretions throughout; fragments; violent effervescence; slightly alkaline, pH 7.6; gradual smooth boundary. Lab sample # IL19764, IL19765. Horizon split for sampling: IL19764 104 to 119 cm, IL19765 119 to 137 cm.

Cg2—137 to 152 centimeters (53.9 to 59.8 inches); variegated 60 percent yellowish brown (10YR 5/6) and 40 percent gray (10YR 6/1) silty clay loam; structureless massive; friable; 10 percent fine prominent white (10YR 8/1), moist, carbonate concretions throughout; fragments; violent effervescence; slightly alkaline, pH 7.6. Lab sample # IL19766