IDENTIFIERS

Current Taxon Name (Soil Name): Elk

OSD

Series Extent

User Site ID: 2018KY227016

User Pedon ID: 2018KY227016

User Site Association ID: 2018 SE Collegiate Soil Judging Contest

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - 6-OWN

Print Date: 4/17/2026

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: 37.0264139

Std. Longitude: -86.5982583

Datum: WGS84

Map Unit: Ne—Newark silt loam, frequently flooded

Country: US—United States

State: Kentucky

County: KY227—Warren

MLRA: 122—Highland Rim and Pennyroyal

MLRA Soil Survey Area: SE-COO—Cookeville, Tennessee

Non-MLRA Soil Survey Area: KY227—Warren County, Kentucky

7.5 Minute USGS Quad: 37086-A5—Hadley, Kentucky

PEDON

Describers Name: David Gehring, Matt McCauley

Current Taxonomic Class: Fine-silty, mixed, active, mesic Aquic Hapludalfs

Current Taxon Kind: taxadjunct

Pedon Type: taxadjunct to the series

Pedon Purpose: soil survey inventory

Pedon Record Orgin: NASIS

Correlated Information:

Soil Name - Newark

PSC - 72 to 122 cm.

Classificaton Date - 1/15/2004

Soil Taxonomic Edition - ninth edition

Moisture Class - aquic

Moisture Subclass - aeric

Sampled As Information:

Soil Name - Elk

Taxonomic Class - Fine-silty, mixed, active, mesic Aquic Hapludalfs

Taxon Kind - taxadjunct

PSC - 72 to 122 cm.

Classificaton Date - 9/16/2018

Classifier - David Gehring

Soil Taxonomic Edition - twelfth edition

Moisture Class - udic

Moisture SUBClass - aquic

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: fine-silty alluvium

Landscape: valley

Landform: stream terrace

Geomorphic Component Terraces: tread

Slope Shape Across: linear

Slope Shape Down: linear

Drainage Class: moderately well

Flooding: rare flooding begining in nov

Ponding: none ponding

Geology: Alluvium formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 9/18/2018 (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			%	%	%	%	%	%		%	%	%	%	%			%	%
Ap Bw Ab Bwb Btgb1 Btgb2	0 15 28 41 72 107	15 28 41 72 107 150	— — — — — —	David Gehring David Gehring David Gehring David Gehring David Gehring David Gehring	15 14 13 18 22 20	0 0 0 0 0 0	62 62 61 60 58 61	41 40 40 38 36 39	21 22 21 22 22 22	23 24 26 22 20 19	hydrometer hydrometer hydrometer hydrometer hydrometer hydrometer	— — — — — —	— — — — — —	— — — — — —	— — — — — —	12 14 14 11 10 9	hydrometer hydrometer hydrometer hydrometer hydrometer hydrometer	sil sil sil sil sil sil	— — — — — —	— — — — — —	6.5 6.9 7 7.1 7.2 7.3

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
Ap Bw Ab Bwb Btgb1 Btgb2	0 15 28 41 72 107	15 28 41 72 107 150	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —		— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —

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	%
Ap Bw Ab Bwb Btgb1 Btgb2	0 15 28 41 72 107	15 28 41 72 107 150	— — — — — —	— — — — — —	— — — — — —	— — — — — —	0.12 0.11 0.05 0.07 0.1 0.06	ec meter, 1:1 water ec meter, 1:1 water ec meter, 1:1 water ec meter, 1:1 water ec meter, 1:1 water ec meter, 1:1 water	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon cambic horizon argillic horizon	0—15 15—28 72—150	—15— —13— —78—

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
1.5	—	—	133.8	—	270	1267	—	201	14.4	—	—	—	—	—	—	—	150909	Bowling Green Warren County AP	coop

Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; 23 percent sand; 62 percent silt; 15 percent clay; moderate fine granular structure; very friable; 10 percent fine distinct irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.5, pH meter; abrupt smooth boundary.; observed in pit, small

Bw—15 to 28 centimeters (5.9 to 11.0 inches); yellowish brown (10YR 5/4) silt loam; 24 percent sand; 62 percent silt; 14 percent clay; moderate fine subangular blocky structure; friable; 15 percent fine distinct irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; noneffervescent, by hcl, 1n; neutral, pH 6.9, pH meter; abrupt wavy boundary.; observed in pit, small

Ab—28 to 41 centimeters (11.0 to 16.1 inches); grayish brown (2.5Y 5/2) silt loam; 26 percent sand; 61 percent silt; 13 percent clay; weak medium subangular blocky structure; friable; 15 percent fine prominent irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; noneffervescent, by hcl, 1n; neutral, pH 7.0, pH meter; clear wavy boundary.; observed in pit, small

Bwb—41 to 72 centimeters (16.1 to 28.3 inches); brown (10YR 5/3) silt loam; 22 percent sand; 60 percent silt; 18 percent clay; weak medium subangular blocky structure; friable; 10 percent fine faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with diffuse boundaries in matrix and 15 percent fine distinct irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; noneffervescent, by hcl, 1n; neutral, pH 7.1, pH meter; clear wavy boundary.; observed in pit, small

Btgb1—72 to 107 centimeters (28.3 to 42.1 inches); grayish brown (2.5Y 5/2) silt loam; 20 percent sand; 58 percent silt; 22 percent clay; weak medium subangular blocky structure; firm; 20 percent distinct brown (10YR 4/3), moist, clay films on all faces of peds; 20 percent fine prominent irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; noneffervescent, by hcl, 1n; neutral, pH 7.2, pH meter; clear wavy boundary.; observed in pit, small

Btgb2—107 to 150 centimeters (42.1 to 59.1 inches); grayish brown (2.5Y 5/2) silt loam; 19 percent sand; 61 percent silt; 20 percent clay; weak medium subangular blocky structure; firm; 20 percent distinct brown (10YR 4/3), moist, clay films on all faces of peds; 30 percent fine prominent irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; noneffervescent, by hcl, 1n; neutral, pH 7.3, pH meter.; observed in pit, small