IDENTIFIERS

Current Taxon Name (Soil Name): Tonti

OSD

Series Extent

User Site ID: 1997MO067127M

User Pedon ID: 1997MO067127

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - MCL

Lab Pedon # - M9706735

Print Date: 5/19/2024

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: 36.9391644

Std. Longitude: -92.2448985

Datum: WGS84

Township: T26N

Range: R12W

Section: 15

PLSS Details: 600 feet S and 200 feet E of the NW corner

Location Description: 40 ft west of forest service road. 600 ft south and 200 ft east of the NW corner of NE 1/4 of section 15 T26N R12W

Map Unit: 73198—Gressy-Viraton complex, 3 to 8 percent slopes

State: Missouri

County: MO067—Douglas

MLRA: 116A—Ozark Highland

Non-MLRA Soil Survey Area: MO067—Douglas County, Missouri

PEDON

Describers Name: KEB and GWS

Current Taxonomic Class: Fine-loamy, mixed 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 - Viraton

Taxon Kind - series

Classificaton Date - 8/26/1997

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: mixed loess over pedisediment over residuum

Landscape: hills

Landform: ridge

Geomorphic Component Hills: interfluve

Hill Slope Profile: summit

Slope Position: upper third

Slope Shape Across: convex

Slope Shape Down: linear

Runoff: low

Drainage Class: moderately well

Flooding: none flooding

Ponding: none ponding

Wet Soil Moisture Duration: 180

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 8/26/1997 (actual site observation date)

Air Photo ID: 2252-21

Surface Cover Properties:

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon fragipan argillic horizon	3—23 23—58 58—97 97—152	—- —- —- —-

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	—	—	347	—	0	1092	—	—	12.8	—	—	—	—	—	—	—	5227	Mansfield	TAPS

Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments. Lab sample # MU64253

A—3 to 10 centimeters (1.2 to 3.9 inches); brown (10YR 5/3), light gray (10YR 7/2), dry; silt loam; moderate fine granular structure; very friable; 7.0 very fine to medium roots; 1 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 5 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU057403

E—10 to 23 centimeters (3.9 to 9.1 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/3), dry; silt loam; weak fine granular structure; friable; 7.0 very fine to coarse roots; 3.0 fine vesicular pores; 3 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU057404

Bt1—23 to 48 centimeters (9.1 to 18.9 inches); yellowish brown (10YR 5/6) silt loam; moderate very fine subangular blocky structure; friable; 7.0 very fine and fine roots and 0.5 medium and coarse roots; 0.5 fine vesicular pores; 20 percent faint clay films on faces of peds; 3 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU057405. discontinuous - phpvsfiid 128428; discontinuous - phpvsfiid 128428

2Bt2—48 to 58 centimeters (18.9 to 22.8 inches); dark yellowish brown (10YR 4/6) very gravelly silt loam; moderate very fine subangular blocky structure; friable; 3.0 very fine and fine roots and 0.5 medium roots; 0.5 fine vesicular pores; 30 percent distinct light yellowish brown (10YR 6/4) skeletans on faces of peds and 40 percent faint clay films on faces of peds; 2 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 45 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU057406. discontinuous - phpvsfiid 128429; discontinuous - phpvsfiid 128430; discontinuous - phpvsfiid 128429; discontinuous - phpvsfiid 128430

2Btx1—58 to 79 centimeters (22.8 to 31.1 inches); 70 percent grayish brown (10YR 5/2) and 20 percent yellowish brown (10YR 5/6) and 10 percent reddish brown (5YR 4/4) extremely gravelly silt loam; weak coarse prismatic parts to weak very fine and fine subangular blocky structure; firm; brittle; 0.5 very fine to medium roots; 30 percent prominent dark grayish brown (10YR 4/2) clay films on rock fragments; 2 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 60 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU057407. Greater than 60 % brittle.; discontinuous - phpvsfiid 128431; discontinuous - phpvsfiid 128431

2Btx2—79 to 97 centimeters (31.1 to 38.2 inches); 55 percent yellowish red (5YR 4/6) and 15 percent dark grayish brown (10YR 4/2) and 30 percent dark red (2.5YR 3/6) gravelly clay loam; weak coarse prismatic parts to moderate very fine and fine subangular blocky structure; firm; brittle; 0.5 very fine and fine roots; 40 percent prominent dark reddish brown (5YR 3/4) clay films on faces of peds and 40 percent prominent light brown (7.5YR 6/4) skeletans on faces of peds; 1 percent by volume angular 2-39-75 millimeter sandstone, unspecified fragments and 5 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 20 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU057408. Greater than 60% brittle.; discontinuous - phpvsfiid 128432; discontinuous - phpvsfiid 128433; discontinuous - phpvsfiid 128432; discontinuous - phpvsfiid 128433

3Bt3—97 to 117 centimeters (38.2 to 46.1 inches); 70 percent reddish brown (2.5YR 4/4) and 10 percent light brownish gray (10YR 6/2) and 20 percent strong brown (7.5YR 5/6) very gravelly clay loam; weak coarse prismatic parts to weak very fine and fine subangular blocky structure; very firm; 0.5 very fine roots; 25 percent prominent reddish yellow (7.5YR 6/6) skeletans on faces of peds and 30 percent prominent dark grayish brown (10YR 4/2) clay films on faces of peds; 1 percent by volume angular 2-39-75 millimeter sandstone, unspecified fragments and 5 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 35 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # MU057409. Gray is in vertical seams and gray is not as clayey as matrix.; discontinuous - phpvsfiid 128434; discontinuous - phpvsfiid 128435; discontinuous - phpvsfiid 128434; discontinuous - phpvsfiid 128435

3Bt4—117 to 152 centimeters (46.1 to 59.8 inches); 80 percent dark red (2.5YR 3/6) and 20 percent yellowish red (5YR 5/6) very gravelly clay; moderate very fine and fine subangular blocky structure; very firm; 0.5 very fine roots; 5 percent prominent dark grayish brown (10YR 4/2) clay films on faces of peds and 40 percent prominent dark red (2.5YR 3/6) clay films on rock fragments; 1 percent by volume angular 2-39-75 millimeter sandstone, unspecified fragments and 5 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 35 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog. Lab sample # MU057410. discontinuous - phpvsfiid 128436; discontinuous - phpvsfiid 128437; discontinuous - phpvsfiid 128436; discontinuous - phpvsfiid 128437