IDENTIFIERS

Current Taxon Name (Soil Name): Opolis

OSD

Series Extent

User Site ID: 2005MO011026

User Pedon ID: 2005MO011026

Vegetation Plot ID: 2005MO011026

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - MCL

Lab Pedon # - M0501126

NCSS Pedon Lab Data NASIS Record ID - 26527

Print Date: 2/16/2025

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: 37.5289444

Std. Longitude: -94.5886944

Datum: WGS84

Township: T32N

Range: R33W

Section: 17

Map Unit: 40038—Barden silt loam, 1 to 5 percent slopes

Country: US—United States

State: Missouri

County: MO011—Barton

MLRA: 112—Cherokee Prairies

Non-MLRA Soil Survey Area: MO011—Barton County, Missouri

7.5 Minute USGS Quad: 37094-E5—Liberal, Missouri

PEDON

Describers Name: Aaron Woods

Current Taxonomic Class: Fine, mixed, active, thermic Albaquic Hapludalfs

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: full pedon description

Pedon Record Orgin: NASIS

Correlated Information:

Soil Name - Opolis

PSC - 33 to 83 cm.

Classificaton Date - 4/1/2011

Soil Taxonomic Edition - ninth edition

Moisture Subclass - udic

Sampled As Information:

Soil Name - Barden

Classificaton Date - 9/21/2005

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

Field Measured Properties: 38.8 percent of Control section clay

SITE

Parent Material: loess over residuum weathered from shale

Geomorphic Component Hills: nose slope

Slope Position: upper third

Slope Shape Across: convex

Slope Shape Down: linear

Drainage Class: moderately well

Bedrock: shale, unspecified

Geology: Pennsylvanian group .

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 9/21/2005 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - pastureland, tame

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
ANDRO2 APFL ASER3 CHLA5 ERYU PAOB PHLA3 RHGL RUBUS SMILA2 SYOR VEVI3	Andropogon Apocynum xfloribundum [androsaemifolium x cannabinum] Aster ericoides Chasmanthium latifolium Eryngium yuccifolium Panicum obtusum Phyla lanceolata Rhus glabra Rubus Smilax Symphoricarpos orbiculatus Verbesina virginica	bluestem APOCYNUM FLORIBUNDUM — Indian woodoats button eryngo vine mesquite lanceleaf fogfruit smooth sumac blackberry greenbrier coralberry white crownbeard	— — — — — — — — — — — —	— — — — — — — — — — — —	— — — — — — — — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon albic horizon redox depletions with chroma 2 or less redox concentrations argillic horizon paralithic materials paralithic contact	0—18 18—33 20— 33— 33—147 147—203 147—147	—- —- —- —- —- —- —-

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	—	—	272	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

A—0 to 18 centimeters (0.0 to 7.1 inches); very dark brown (10YR 2/2) exterior silt loam; 14 percent sand; 62 percent silt; 24 percent clay; weak fine granular structure; friable; 5.0 fine roots throughout; fragments; clear smooth boundary. Lab sample # MU010224; moist when described; observed in push tube

AB—18 to 33 centimeters (7.1 to 13.0 inches); dark grayish brown (10YR 4/2) exterior silt loam; 16 percent sand; 62 percent silt; 22 percent clay; weak very fine subangular blocky structure; firm; 3.0 very fine roots throughout; fragments; clear smooth boundary. Lab sample # MU010225; moist when described; observed in push tube

BE—33 to 53 centimeters (13.0 to 20.9 inches); brown (10YR 4/3) exterior gravelly silt loam; 18 percent sand; 62 percent silt; 20 percent clay; weak fine subangular blocky structure; very firm; 3.0 very fine roots throughout; 30 percent brown (10YR 4/3), moist, clay films; 25 percent yellowish brown (10YR 5/8), moist, iron-manganese masses; 15 percent by volume 5-20-75 millimeter sandstone, unspecified fragments; gradual smooth boundary. Lab sample # MU010226; moist when described; observed in push tube

Bt1—53 to 99 centimeters (20.9 to 39.0 inches); dark grayish brown (10YR 4/2) exterior silty clay; 6 percent sand; 45 percent silt; 49 percent clay; weak fine subangular blocky structure; very firm; 0.8 very fine roots throughout; 50 percent dark grayish brown (10YR 4/2), moist, clay films; 5 percent manganese coatings and 20 percent 10YR 4/8 (10YR 4/8), moist, and yellowish brown (10YR 5/6), moist, masses of oxidized iron; 10 percent by volume 5-20-75 millimeter sandstone, unspecified fragments; gradual smooth boundary. Lab sample # MU010227; moist when described; observed in push tube

Bt2—99 to 147 centimeters (39.0 to 57.9 inches); grayish brown (10YR 5/2) exterior silty clay; 17 percent sand; 43 percent silt; 41 percent clay; prismatic parts to weak fine subangular blocky structure; very firm; 50 percent dark gray (10YR 4/1), moist, clay films; 20 percent manganese coatings and 30 percent strong brown (7.5YR 5/8), moist, and yellowish brown (10YR 5/8), moist, masses of oxidized iron; fragments; gradual smooth boundary. Lab sample # MU010228; moist when described; observed in push tube

2Bt3—147 to 203 centimeters (57.9 to 79.9 inches); 40 percent yellowish brown (10YR 5/6) exterior and 30 percent gray (10YR 5/1) exterior and 30 percent grayish brown (10YR 5/2) exterior clay; 13 percent sand; 36 percent silt; 51 percent clay; platy structure; very firm; fragments. Lab sample # MU010229; moist when described; observed in push tube