IDENTIFIERS

Current Taxon Name (Soil Name): Wilcox

OSD

Series Extent

User Site ID: 87AL091003-pgm

User Pedon ID: 87AL091003-pgm

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - AU

Lab Pedon # - S87AL-091-3

NCSS Pedon Lab Data NASIS Record ID - 24342

Print Date: 11/23/2024

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: 32.1805556

Std. Longitude: -87.5569444

Datum: WGS84

Township: 14 N

Range: 5 E

Section: 15

PLSS Details: SW1/4

Location Description: Marengo County, AL; about 1,500 feet north and 1,000 feet west of the southeast corner of sec. 15, T. 14 N., R. 5 E.; USGS Flatwood, AL topographic quadrangle.

State: Alabama

County: AL091—Marengo

MLRA: 135A—Alabama and Mississippi Blackland Prairie

Regional Office: 7—Auburn, AL

Non-MLRA Soil Survey Area: AL091—Marengo County, Alabama

PEDON

Current Taxonomic Class: Very-fine, smectitic, thermic Aquic dystruderts

Current Taxon Kind: taxadjunct

Pedon Type: within range of map unit

Pedon Purpose: full pedon description

Pedon Record Orgin: PedonPC

Correlated Information:

Soil Name - Wilcox

PSC - 25 to 100 cm.

Classificaton Date - 3/4/2009

Soil Taxonomic Edition - tenth edition

Moisture Class - udic

Moisture Subclass - aquic

Sampled As Information:

Soil Name - Vaiden variant

Classificaton Date - 5/4/1987

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: moderately weathered, clayey marine deposits derived from shale, clayey

Landscape: upland

Landform: ridge

Geomorphic Component Hills: side slope

Hill Slope Profile: backslope

Slope Complexity: complex

Slope Shape Across: linear

Slope Shape Down: linear

Runoff: high

Drainage Class: somewhat poorly

Flooding: none flooding

Ponding: none ponding

Bedrock: noncoherent moderate weathered shale, clayey at 114cm

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 5/4/1987 (actual site observation date)

Air Photo ID:

Surface Water Kind: none observed

Microrelief Kind: microhigh

Surface Cover Properties:

Site Obs. Cover Kind 1 - tree cover

Site Obs. Cover Kind 2 - conifers

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Yield Study ID -

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
bedrock, paralithic	noncoherent	114 - 165	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
cambic horizon slickensides paralithic contact	15—114 15—114 114—	—- —- —-

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	—	—	63	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark brown (10YR 3/3) ; 14 percent sand; 35 percent silt; 52 percent clay; strong medium granular structure; firm, very sticky, very plastic; 6.0 medium roots and 6.0 fine roots; fragments; moderately acid, pH 5.6; abrupt smooth boundary. Lab sample # 8791-3-1

Btss1—15 to 28 centimeters (5.9 to 11.0 inches); light yellowish brown (10YR 6/4) ; 6 percent sand; 19 percent silt; 75 percent clay; strong medium angular blocky structure; very firm, very sticky, very plastic; 4.0 medium roots and 4.0 fine roots; 5 percent faint clay films on surfaces along pores and 40 percent distinct slickensides (pedogenic); 30 percent medium distinct light brownish gray (2.5Y 6/2) and grayish brown (2.5Y 5/2) iron depletions; fragments; very strongly acid, pH 4.8; gradual wavy boundary. Lab sample # 8791-3-2

Btss2—28 to 51 centimeters (11.0 to 20.1 inches); variegated light yellowish brown (2.5Y 6/4) and light brownish gray (2.5Y 6/2) and red (2.5YR 5/6) and yellowish red (5YR 5/6) ; 6 percent sand; 19 percent silt; 75 percent clay; strong medium angular blocky structure; very firm, very sticky, very plastic; 2.0 medium roots and 2.0 fine roots; 5 percent faint clay films on surfaces along pores and 40 percent distinct slickensides (pedogenic); fragments; very strongly acid, pH 4.7; gradual wavy boundary. Lab sample # 8791-3-3

Bssg1—51 to 84 centimeters (20.1 to 33.1 inches); light brownish gray (2.5Y 6/2) ; 4 percent sand; 15 percent silt; 81 percent clay; moderate very coarse wedge, and strong medium angular blocky structure; very firm, very sticky, very plastic; 0.5 fine roots; 40 percent prominent slickensides (pedogenic); 30 percent medium distinct yellowish brown (10YR 5/6) and light olive brown (2.5Y 5/4) masses of oxidized iron; fragments; very strongly acid, pH 4.9; gradual wavy boundary. Lab sample # 8791-3-4

Bssg2—84 to 114 centimeters (33.1 to 44.9 inches); light brownish gray (2.5Y 6/2) ; 2 percent sand; 6 percent silt; 92 percent clay; moderate very coarse wedge, and strong medium angular blocky structure; very firm, very sticky, very plastic; 40 percent prominent slickensides (pedogenic); 15 percent fine black (10YR 2/1) iron-manganese concretions and 30 percent medium distinct light olive brown (2.5Y 5/4) masses of oxidized iron; 10 percent by volume noncoherent cemented shale, clayey fragments; very strongly acid, pH 4.7; abrupt wavy boundary. Lab sample # 8791-3-5

Cr—114 to 165 centimeters (44.9 to 65.0 inches); gray (2.5Y 6/1) ; strong thick platy structure; extremely firm; moderate excavation difficulty; 10 percent fine black (10YR 2/1) iron-manganese concretions and 25 percent medium black (10YR 2/1) manganese coatings along lamina or strata surfaces; fragments; slightly alkaline, pH 7.7. Lab sample # 8791-3-6