IDENTIFIERS

Current Taxon Name (Soil Name): Tonti

OSD

Series Extent

User Site ID: 1997MO067129M

User Pedon ID: 1997MO067129

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - MCL

Lab Pedon # - M9706737

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: 36.9769797

Std. Longitude: -92.0965566

Datum: WGS84

Township: T27N

Range: R11W

Section: 36

PLSS Details: 1650 feet S and 1800 feet W of the NE corner

Location Description: Forest service west of Tater Hill near Douglas-Howell county line. 1650 ft south and 1800 ft west of the NE corner of section 36 T27N R11W

Map Unit: 70022—Tonti silt loam, 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 - 20 to 51 cm.

Classificaton Date - 4/18/2012

Moisture Class - udic

Sampled As Information:

Soil Name - Tonti

Taxon Kind - series

Classificaton Date - 8/27/1997

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: linear

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: 8/27/1997 (actual site observation date)

Air Photo ID: 2251-174

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	0—20 20—51 51—112 112—203	—- —- —- —-

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
3	—	—	379	—	0	1092	—	—	12.8	—	—	—	—	—	—	—	5227	Mansfield	TAPS

A—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 5/3), very pale brown (10YR 7/3), dry; very gravelly silt loam; moderate fine granular structure; friable; 7.0 very fine to medium roots and 3.0 coarse roots; 35 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU057411

E—10 to 20 centimeters (3.9 to 7.9 inches); light yellowish brown (10YR 6/4), very pale brown (10YR 7/3), dry; silt loam; moderate very fine subangular blocky structure; friable; 7.0 very fine to coarse roots; 10 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; abrupt smooth boundary. Lab sample # MU057412

Bt1—20 to 41 centimeters (7.9 to 16.1 inches); 80 percent strong brown (7.5YR 5/6) and 20 percent light yellowish brown (10YR 6/4) gravelly silt loam; moderate very fine subangular blocky structure; friable; 3.0 very fine to medium roots and 0.5 coarse roots; 15 percent faint clay films on faces of peds; 15 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU057413. discontinuous - phpvsfiid 131171; discontinuous - phpvsfiid 131171

Bt2—41 to 51 centimeters (16.1 to 20.1 inches); 85 percent brown (7.5YR 5/4) and 15 percent very pale brown (10YR 7/4) very gravelly silt loam; weak very fine subangular blocky structure; friable; 3.0 very fine and fine roots and 0.5 medium and coarse roots; 40 percent distinct brown (7.5YR 4/4) clay films on rock fragments and 60 percent prominent light gray (10YR 7/2) skeletans on faces of peds; 45 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; abrupt smooth boundary. Lab sample # MU057414. discontinuous - phpvsfiid 131172; discontinuous - phpvsfiid 131173; discontinuous - phpvsfiid 131172; discontinuous - phpvsfiid 131173

2Btx1—51 to 81 centimeters (20.1 to 31.9 inches); 60 percent pale brown (10YR 6/3) and 20 percent light gray (10YR 7/2) and 20 percent yellowish brown (10YR 5/6) extremely gravelly silt loam; moderate very coarse prismatic parts to moderate very fine subangular blocky structure; very firm; brittle; 0.5 very fine to coarse roots in cracks; 20 percent prominent brown (7.5YR 4/4) clay films on rock fragments; 75 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # MU057415. Roots matted at top of this horizon and in seams between prisms in the horizon. 80 percent brittle.; discontinuous - phpvsfiid 131174; discontinuous - phpvsfiid 131174

2Btx2—81 to 112 centimeters (31.9 to 44.1 inches); 70 percent yellowish brown (10YR 5/6) and 10 percent strong brown (7.5YR 5/8) and 20 percent light brownish gray (10YR 6/2) very gravelly silty clay loam; moderate very coarse prismatic parts to moderate fine subangular blocky structure; very firm; brittle; 0.5 very fine to medium roots in cracks; 35 percent prominent brown (7.5YR 4/4) clay films on rock fragments; 55 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU057416. 80 percent brittle.; discontinuous - phpvsfiid 131175; discontinuous - phpvsfiid 131175

3Bt3—112 to 132 centimeters (44.1 to 52.0 inches); 90 percent yellowish brown (10YR 5/6) and 8 percent strong brown (7.5YR 5/6) and 2 percent red (2.5YR 4/8) extremely gravelly clay; weak fine subangular blocky structure; very firm; 0.5 very fine to medium roots; 20 percent prominent dark brown (7.5YR 3/2) clay films on faces of peds and 30 percent prominent light brownish gray (10YR 6/2) clay films on faces of peds; 65 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; abrupt smooth boundary. Lab sample # MU057417. discontinuous - phpvsfiid 128449; discontinuous - phpvsfiid 131176; discontinuous - phpvsfiid 128449; discontinuous - phpvsfiid 131176

3Bt4—132 to 163 centimeters (52.0 to 64.2 inches); 60 percent yellowish brown (10YR 5/6) and 30 percent light gray (10YR 7/1) and 10 percent red (10R 4/6) gravelly silty clay; moderate very fine and fine angular blocky structure; very firm; 0.5 very fine and fine roots; 40 percent prominent dark red (2.5YR 3/6) clay films on faces of peds; 2 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 30 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU057418. discontinuous - phpvsfiid 128450; discontinuous - phpvsfiid 128450

3Bt5—163 to 203 centimeters (64.2 to 79.9 inches); 20 percent red (10R 4/6) and 35 percent strong brown (7.5YR 5/8) and 45 percent light gray (10YR 7/1) clay; moderate very fine and fine angular blocky structure; very firm; 0.5 very fine and fine roots; 40 percent prominent dark red (2.5YR 3/6) clay films on faces of peds; fragments; extremely acid, pH 4.4, hellige-truog. Lab sample # MU057419. discontinuous - phpvsfiid 128451; discontinuous - phpvsfiid 128451