IDENTIFIERS

Current Taxon Name (Soil Name): Poynor

OSD

Series Extent

User Site ID: 2005MO223005M

User Pedon ID: 2005MO223005

Vegetation Plot ID: 2005MO223005

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - MCL

Lab Pedon # - M0522305

Print Date: 5/20/2024

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: 37.2811111

Std. Longitude: -90.4013889

Datum: WGS84

Township: T30N

Range: R6E

Section: 16

PLSS Details: 345 feet and 1479 feet of the NW corner

Country: US—United States

State: Missouri

County: MO223—Wayne

MLRA: 116C—St. Francois Knobs and Basins

Non-MLRA Soil Survey Area: MO223—Wayne County, Missouri

7.5 Minute USGS Quad: 37090-C4—Coldwater, Missouri

PEDON

Describers Name: John Horton, Keith Knelle

Current Taxonomic Class: Clayey-skeletal, mixed, semiactive, mesic Oxyaquic Hapludults

Pedon Type: map unit inclusion

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: Missouri Pedon

Pedon #: 5

Sampled As Information:

Soil Name - Poynor

Taxonomic Class - Clayey-skeletal, mixed, semiactive, mesic Oxyaquic Hapludults

Taxon Kind - series

PSC - 30 to 100 cm.

Classificaton Date - 1/26/2005

Soil Taxonomic Edition - ninth edition

Moisture Class - udic

Moisture SUBClass - oxyaquic

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: gravelly pedisediment derived from mixed over clayey residuum weathered from dolomite

Landscape: hills

Landform: ridge

Microfeature: bar and channel

Geomorphic Component Hills: interfluve

Hill Slope Profile: shoulder

Slope Position: upper third

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: linear

Runoff: low

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Geology: Eminence Dolomite formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 1/26/2005 (actual site observation date)

Air Photo ID: 37090c4se

Surface Water Kind: none observed

Surface Cover Properties:

Site Obs. Cover Kind 1 - tree cover

Site Obs. Cover Kind 2 - intermixed conifers and hardwoods

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion sheet

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
PIEC2 QURU QUAL QUST CORNU SAAL5 SMILA2	Pinus echinata Quercus rubra Quercus alba Quercus stellata Cornus Sassafras albidum Smilax	shortleaf pine northern red oak white oak post oak dogwood sassafras greenbrier	— — — — — — —	— — — — — — —	— — — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon	0—30 30—160	—30— —130—

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
12	—	—	220.7	—	168	—	—	—	—	—	—	—	—	—	—	—	—	—	—

A—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2) interior silt loam; weak fine subangular blocky structure; very friable; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout; 10.0 very fine moderate-continuity tubular and 10.0 medium moderate-continuity tubular and 10.0 fine moderate-continuity tubular pores; 20 percent by volume nonflat angular strongly coherent cemented 75-?-250 millimeter chert fragments and 40 percent by volume nonflat angular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU006339; observed in pit, small

E—8 to 18 centimeters (3.1 to 7.1 inches); brown (10YR 4/3) interior silt loam; weak fine subangular blocky structure; very friable; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 very fine moderate-continuity tubular and 10.0 medium moderate-continuity tubular and 10.0 fine moderate-continuity tubular pores; 20 percent by volume nonflat angular strongly coherent cemented 75-?-250 millimeter chert fragments and 60 percent by volume nonflat angular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU006340; observed in pit, small

BE—18 to 30 centimeters (7.1 to 11.8 inches); yellowish brown (10YR 5/6) interior silt loam; moderate medium subangular blocky structure; friable; 3.0 very fine roots throughout and 0.5 medium roots throughout and 3.0 fine roots throughout; 3.0 very fine moderate-continuity vesicular and 10.0 fine moderate-continuity vesicular pores; 12 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on vertical faces of peds; 20 percent by volume nonflat very angular strongly coherent cemented 2-?-75 millimeter chert fragments and 20 percent by volume nonflat angular strongly coherent cemented 75-?-250 millimeter chert fragments; clear smooth boundary. Lab sample # MU006341; observed in pit, small

2Bt1—30 to 61 centimeters (11.8 to 24.0 inches); strong brown (7.5YR 4/6) interior clay loam; moderate medium subangular blocky structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine moderate-continuity vesicular and 10.0 fine moderate-continuity vesicular pores; 12 percent distinct yellowish brown (10YR 5/6), moist, clay films on all faces of peds and 70 percent distinct strong brown (7.5YR 5/8), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat angular strongly coherent cemented 75-?-250 millimeter chert fragments and 50 percent by volume nonflat angular strongly coherent cemented 2-?-75 millimeter chert fragments; gradual smooth boundary.; observed in pit, small

3Bt2—61 to 91 centimeters (24.0 to 35.8 inches); 40 percent yellow (10YR 8/8) interior and 30 percent brownish yellow (10YR 6/8) interior and 30 percent light gray (10YR 7/1) interior clay; moderate medium subangular blocky structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 very fine moderate-continuity vesicular and 10.0 fine moderate-continuity vesicular pores; 35 percent distinct gray (10YR 6/1), moist, clay films on all faces of peds and 35 percent distinct strong brown (7.5YR 5/6), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented light yellowish brown (2.5Y 6/3), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 5/8), moist, iron depletions with clear boundaries in matrix; 40 percent by volume nonflat angular strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary.; observed in pit, small

4Bt3—91 to 160 centimeters (35.8 to 63.0 inches); red (2.5YR 4/8) interior sandy clay; weak fine subangular blocky structure; very firm; 0.5 very fine moderate-continuity vesicular pores; 35 percent distinct strong brown (7.5YR 4/6), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; 60 percent by volume nonflat angular strongly coherent cemented 2-?-75 millimeter chert fragments.; observed in pit, small