IDENTIFIERS

Current Taxon Name (Soil Name): MEXICO

OSD

Series Extent

User Site ID: 2006MO139055

User Pedon ID: 2006MO139055

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - MCL

Lab Pedon # - M0613955

NCSS Pedon Lab Data NASIS Record ID - 30325

Print Date: 11/26/2024

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: 38.9853333

Std. Longitude: -91.5367222

Datum: WGS84

Township: T49N

Range: R6W

Section: 25

PLSS Details: 1,378 feet East and 1,093 feet North from the South West corner

Country: US—United States

State: Missouri

County: MO139—Montgomery

MLRA: 113—Central Claypan Areas

Non-MLRA Soil Survey Area: MO603—Montgomery and Warren Counties, Missouri

7.5 Minute USGS Quad: 38091-H5—Montgomery City, Missouri

PEDON

Describers Name: Mike Chalfant, Greg Caldwell, Amber Marshaus, Wyn Kelley

Current Taxonomic Class: Fine, smectitic, mesic Aeric Vertic Epiaqualfs

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: full pedon description

Pedon Record Orgin: Missouri Pedon

Pedon #: 55

Sampled As Information:

Soil Name - MEXICO

Taxonomic Class - Fine, smectitic, mesic Aeric Vertic Epiaqualfs

PSC - 0 to 0 cm.

Classificaton Date - 2/7/2006

Soil Taxonomic Edition - ninth edition

Moisture Class - aquic

Moisture SUBClass - aeric

Dynamic Soil Properties:

Erosion Class - 0

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: fine-silty loess derived from mixed over clayey till derived from aa lava

Landscape: river valley

Landform: terrace

Anthropogenic Feature: ditch

Geomorphic Component Hills: interfluve

Hill Slope Profile: summit

Slope Position: upper third

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: linear

Runoff: negligible

Drainage Class: somewhat poorly

Flooding: none flooding

Ponding: none ponding

Geology: Holocene Stage formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 2/7/2006 (actual site observation date)

Air Photo ID: 38091h5ne

Surface Water Kind: none observed

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - other grass/herbaceous cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion rill

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	—	—	251.5	—	0	—	—	—	—	—	—	—	—	—	—	—	—	—	—

C—0 to 97 centimeters (0.0 to 38.2 inches); fragments.; observed in pit, small

Btg1—97 to 127 centimeters (38.2 to 50.0 inches); gray (2.5Y 6/1) broken face silty clay loam; moderate fine subangular blocky, and weak medium prismatic structure; firm; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU027724; observed in pit, small

Btg2—127 to 259 centimeters (50.0 to 102.0 inches); gray (2.5Y 6/1) broken face silty clay; weak fine subangular blocky, and weak coarse prismatic structure; firm; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU027725; observed in pit, small

2Btg—259 to 366 centimeters (102.0 to 144.1 inches); gray (2.5Y 6/1) broken face clay; moderate medium subangular blocky structure; very firm; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in pit, small

3Btbg—366 to 488 centimeters (144.1 to 192.1 inches); 60 percent gray (2.5Y 6/1) broken face and 40 percent yellowish brown (10YR 5/6) broken face silty clay; moderate fine subangular blocky structure; very firm; 12 percent faint gray (2.5Y 6/1), moist, pressure faces; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented red (2.5YR 4/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in pit, small

3Btb—488 to 564 centimeters (192.1 to 222.0 inches); 40 percent gray (2.5Y 6/1) broken face and 60 percent yellowish brown (10YR 5/6) broken face silty clay; moderate fine subangular blocky structure; firm; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in pit, small

3Btbg—564 to 671 centimeters (222.0 to 264.2 inches); 50 percent yellowish brown (10YR 5/6) broken face and 50 percent gray (10YR 6/1) broken face clay loam; weak medium subangular blocky structure; firm; 10 percent faint light brownish gray (10YR 6/2), moist, clay films; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; very slight effervescence, by hcl, 1n; gradual smooth boundary.; observed in pit, small

3Btbk—671 to 792 centimeters (264.2 to 311.8 inches); 30 percent gray (10YR 6/1) broken face and 30 percent yellowish brown (10YR 5/4) broken face and 40 percent yellowish brown (10YR 5/6) broken face clay loam; weak medium subangular blocky structure; firm; 2 percent prominent white (10YR 8/1), moist, and 4 percent faint light brownish gray (10YR 6/2), moist, clay films; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 3 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; strong effervescence, by hcl, 1n; gradual smooth boundary.; observed in pit, small

3C1—792 to 945 centimeters (311.8 to 372.0 inches); 15 percent gray (10YR 6/1) broken face and 50 percent yellowish brown (10YR 5/4) broken face and 35 percent yellowish brown (10YR 5/6) broken face clay loam; massive; firm; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small

3C2—945 to 1006 centimeters (372.0 to 396.1 inches); yellowish brown (10YR 5/4) broken face sandy clay loam; massive; firm; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix; 8 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; strong effervescence, by hcl, 1n.; observed in pit, small