IDENTIFIERS

Current Taxon Name (Soil Name): Tonti

OSD

Series Extent

User Site ID: 1993MO161022M

User Pedon ID: 1993MO161022

Transect:

User Transect ID - T10-93

Transect Stop Number - 3

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - MCL

Lab Pedon # - M9316122

Print Date: 11/21/2024

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: 37.8221389

Std. Longitude: -92.0044444

Datum: WGS84

Township: T36N

Range: R10W

Section: 26

PLSS Details: 119 feet E and 75 feet S of the NW corner

Country: US—United States

State: Missouri

County: MO161—Phelps

MLRA: 116A—Ozark Highland

Non-MLRA Soil Survey Area: MO161—Phelps County, Missouri

7.5 Minute USGS Quad: 37092-G1—Devils Elbow, Missouri

PEDON

Describers Name: Grant Butler, R Rouse, S E Larson

Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Typic Fragiudults

Current Taxon Kind: taxadjunct

Pedon Type: taxadjunct to the series

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: Missouri Pedon

Pedon #: 22

Correlated Information:

Soil Name - Tonti

PSC - 10 to 58 cm.

Classificaton Date - 4/11/2012

Soil Taxonomic Edition - ninth edition

Moisture Class - udic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Tonti

Taxon Kind - series

Classificaton Date - 6/29/1993

Dynamic Soil Properties:

Erosion Class - 2

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: fine-silty loess derived from mixed over fine-loamy slope alluvium derived from mixed over Roubidoux Formation clayey residuum weathered from interbedded sedimentary rock

Landscape: hills

Landform: hill

Geomorphic Component Hills: interfluve

Hill Slope Profile: shoulder

Slope Position: upper third

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: linear

Runoff: very high

Drainage Class: moderately well

Flooding: none flooding

Ponding: none ponding

Geology: Roubidoux Formation formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 6/29/1993 (actual site observation date)

Air Photo ID: 37092g1ne

Surface Water Kind: none observed

Surface Cover Properties:

Site Obs. Cover Kind 1 - tree cover

Site Obs. Cover Kind 2 - hardwoods

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion sheet

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
fragipan	—	59 - 79	- 20 -

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon fragipan	3—10 10—165 59—79	—7— —155— —20—

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
4	—	—	325.8	—	70	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments; abrupt smooth boundary.; observed in pit, small

A—3 to 10 centimeters (1.2 to 3.9 inches); very dark grayish brown (10YR 3/2) exterior, grayish brown (10YR 5/2) exterior, dry; silt; weak very fine subangular blocky structure; friable; 10.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout; flat very strongly coherent cemented unspecified fragments and 3 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU007607; observed in pit, small

Bt1—10 to 20 centimeters (3.9 to 7.9 inches); yellowish brown (10YR 5/4) broken face silt loam; weak fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; flat very strongly coherent cemented unspecified fragments and 4 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; clear wavy boundary.; observed in pit, small

Bt2—20 to 28 centimeters (7.9 to 11.0 inches); dark yellowish brown (10YR 4/6) broken face silty clay loam; moderate very fine subangular blocky, and moderate fine subangular blocky structure; firm; 3.0 very fine roots throughout and 0.5 medium roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; flat very strongly coherent cemented unspecified fragments and 10 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; clear wavy boundary.; observed in pit, small

Bt3—28 to 51 centimeters (11.0 to 20.1 inches); strong brown (7.5YR 4/6) broken face silty clay loam; moderate medium subangular blocky, and moderate fine subangular blocky structure; firm; 0.5 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; flat very strongly coherent cemented unspecified fragments and 10 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; clear wavy boundary.; observed in pit, small

Bt4—51 to 58 centimeters (20.1 to 22.8 inches); strong brown (7.5YR 4/6) broken face gravelly silty clay loam; weak fine subangular blocky structure; firm; 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix; flat very strongly coherent cemented unspecified fragments and 10 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 15 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; abrupt smooth boundary.; observed in pit, small

2Btx—58 to 79 centimeters (22.8 to 31.1 inches); 60 percent yellowish brown (10YR 5/4) broken face and 40 percent yellowish brown (10YR 5/6) broken face very gravelly silt loam; moderate very coarse prismatic structure; very firm; 0.5 very fine roots between peds and 0.5 fine roots between peds; 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented gray (10YR 5/1), moist, iron depletions with clear boundaries in matrix; flat very strongly coherent cemented unspecified fragments and 15 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 30 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU007612; observed in pit, small

3Bt1—79 to 124 centimeters (31.1 to 48.8 inches); 60 percent strong brown (7.5YR 4/6) broken face and 40 percent red (2.5YR 4/6) broken face clay; moderate coarse prismatic structure; firm; 0.5 very fine roots throughout and 0.5 fine roots between peds; 1 percent medium faint irregular noncoherent cemented dark gray (10YR 4/1), moist, iron depletions with clear boundaries in matrix; flat very strongly coherent cemented unspecified fragments and 5 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments and 5 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments; gradual wavy boundary.; observed in pit, small

3Bt2—124 to 165 centimeters (48.8 to 65.0 inches); 40 percent red (2.5YR 4/6) broken face and 20 percent light brownish gray (10YR 6/2) broken face and 20 percent brown (10YR 5/3) broken face and 20 percent red (2.5YR 5/8) broken face extremely cobbly clay; moderate medium prismatic, and strong medium subangular blocky structure; firm; 0.5 medium roots throughout; 20 percent by volume flat angular indurated chert fragments and 20 percent by volume flat subangular very strongly coherent cemented sandstone, unspecified fragments and 35 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments.; observed in pit, small