IDENTIFIERS

Current Taxon Name (Soil Name): Tonti

OSD

Series Extent

User Site ID: 1990MO209010M

User Pedon ID: 1990MO209010

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - MCL

Lab Pedon # - M9020910

Print Date: 5/29/2024

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: 36.8580556

Std. Longitude: -93.6127778

Datum: WGS84

Township: T25N

Range: R24W

Section: 19

PLSS Details: 2150 feet E and 800 feet S of the NW corner

Location Description: 2150 feet east and 800 feet south of northwest corner of sec. 19, T. 25 N., R. 24 W.

Map Unit: 70032—Tonti silt, 1 to 3 percent slopes

State: Missouri

County: MO209—Stone

MLRA: 116B—Springfield Plain

Non-MLRA Soil Survey Area: MO209—Stone County, Missouri

PEDON

Describers Name: Ken Gregg and Scott Eversoll

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

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: Converted from PDP 3.x

Correlated Information:

Soil Name - Tonti

PSC - 23 to 58 cm.

Classificaton Date - 4/18/2012

Moisture Class - udic

Sampled As Information:

Soil Name - Tonti

Taxon Kind - series

Classificaton Date - 8/20/1990

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: loess and/or residuum weathered from cherty limestone

Landscape: plateau

Landform: ridge

Geomorphic Component Hills: interfluve

Hill Slope Profile: summit

Slope Shape Across: linear

Slope Shape Down: convex

Drainage Class: moderately well

Surface Fragments: 0.00 percent

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 8/20/1990 (actual site observation date)

Air Photo ID: 10

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - hayland

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon mottles with chroma 2 or less fragipan	0—23 23—170 51—119 58—119	—- —- —- —-

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	—	—	419	—	270	—	—	—	—	—	—	—	—	—	—	—	—	—	—

A—0 to 13 centimeters (0.0 to 5.1 inches); yellowish brown (10YR 5/4), light yellowish brown (10YR 6/4), dry; silt loam; moderate fine platy, and weak fine granular structure; friable; 10.0 fine roots; 5 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; abrupt smooth boundary. Lab sample # MU039608

E—13 to 23 centimeters (5.1 to 9.1 inches); brown (10YR 5/3) silt loam; weak fine platy, and weak fine granular structure; friable; 10.0 fine roots; 4 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU039609

Bt1—23 to 36 centimeters (9.1 to 14.2 inches); yellowish brown (10YR 5/6) silt loam; weak very fine and fine subangular blocky structure; firm; 10.0 fine roots; 10 percent faint brown (10YR 5/3) skeletans on faces of peds and 10 percent distinct yellowish brown (10YR 5/6) clay films on faces of peds; 2 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU039610. patchy - phpvsfiid 158252; discontinuous - phpvsfiid 158253; patchy - phpvsfiid 158252; discontinuous - phpvsfiid 158253

Bt2—36 to 58 centimeters (14.2 to 22.8 inches); yellowish brown (10YR 5/6) gravelly silty clay loam; 1 percent light brownish gray (10YR 6/2) fine prominent mottles; weak fine and medium subangular blocky structure; firm; 3.0 fine roots; 30 percent distinct yellowish brown (10YR 5/6) clay films on faces of peds; 30 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; abrupt wavy boundary. Lab sample # MU039611. discontinuous - phpvsfiid 158254; discontinuous - phpvsfiid 158254

2Btx1—58 to 84 centimeters (22.8 to 33.1 inches); light brownish gray (10YR 6/2) and strong brown (7.5YR 5/8) very gravelly silt loam; massive; hard; brittle; 1.0 fine roots in cracks; 30 percent faint strong brown (7.5YR 5/8) clay films in root channels and/or pores; 50 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; gradual smooth boundary. Lab sample # MU039612. 60% Brittleness; discontinuous - phpvsfiid 158255; discontinuous - phpvsfiid 158255

2Btx2—84 to 119 centimeters (33.1 to 46.9 inches); yellowish brown (10YR 5/6) and light brownish gray (10YR 6/2) and strong brown (7.5YR 5/6) extremely gravelly silt loam; massive; hard; brittle; 30 percent distinct yellowish brown (10YR 5/6) clay films in root channels and/or pores; 90 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; clear wavy boundary. Lab sample # MU039613. 60% Brittleness; discontinuous - phpvsfiid 158256; discontinuous - phpvsfiid 158256

3Bt3—119 to 170 centimeters (46.9 to 66.9 inches); dark red (2.5YR 3/6) gravelly clay; 10 percent yellowish brown (10YR 5/4) fine prominent mottles; moderate very fine and fine subangular blocky structure; very firm; 60 percent distinct dark red (2.5YR 3/6) clay films on faces of peds; 30 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; extremely acid, pH 4.2, hellige-truog. Lab sample # MU039614. discontinuous - phpvsfiid 158257; discontinuous - phpvsfiid 158257