IDENTIFIERS

Current Taxon Name (Soil Name): Clarksville

OSD

Series Extent

User Site ID: 1995MO119036M

User Pedon ID: 1995MO119036

Transect:

User Transect ID - 95-12

Transect Stop Number - 3

Transect Interval - 100.0

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - MCL

Lab Pedon # - M9511936

Print Date: 2/3/2025

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: 36.6341667

Std. Longitude: -94.2863889

Datum: WGS84

Township: T22N

Range: R31W

Section: 16

PLSS Details: NE 1/4

Location Description: NE 1/4, Sec. 16 T.22N. R.31W.

Map Unit: 73352—Jollymill-Bendavis complex, 3 to 15 percent slopes

State: Missouri

County: MO119—McDonald

MLRA: 116B—Springfield Plain

Non-MLRA Soil Survey Area: MO119—McDonald County, Missouri

PEDON

Describers Name: KLG, JAW, TD, JSE, EA

Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults

Current Taxon Kind: series

Pedon Type: within range of map unit

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: Converted from PDP 3.x

Correlated Information:

Soil Name - Clarksville

PSC - 28 to 78 cm.

Classificaton Date - 4/18/2012

Moisture Class - udic

Sampled As Information:

Soil Name - Noark

Taxonomic Class - Clayey-skeletal, mixed, semiactive, mesic Typic Paleudults

Taxon Kind - series

PSC - 28 to 78 cm.

Classificaton Date - 11/20/1995

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: slope alluvium derived from cherty limestone

Landscape: plateau

Landform: ridge

Geomorphic Component Hills: interfluve

Hill Slope Profile: summit

Slope Shape Across: convex

Slope Shape Down: convex

Flooding: none flooding

Ponding: none ponding

Bedrock: limestone, cherty

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 11/20/1995 (actual site observation date)

Air Photo ID: 7B

Surface Cover Properties:

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

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	—	—	349	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

A—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) very gravelly silt loam; weak fine granular structure; very friable; 11.0 very fine and fine roots throughout and 11.0 medium and coarse roots throughout; 8.0 very fine interstitial and tubular pores; 55 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU017505

E—10 to 28 centimeters (3.9 to 11.0 inches); brown (7.5YR 5/4) very gravelly silt loam; weak very fine subangular blocky structure; friable; 11.0 very fine and fine roots throughout and 11.0 medium and coarse roots throughout; 8.0 very fine interstitial and tubular pores; 15 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on faces of peds; 42 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU017506

Bt1—28 to 46 centimeters (11.0 to 18.1 inches); strong brown (7.5YR 5/6) very gravelly silt loam; moderate very fine and fine subangular blocky structure; friable; 11.0 very fine and fine roots throughout and 4.0 medium roots throughout; 6.0 very fine interstitial and tubular pores; 2 percent faint strong brown (7.5YR 5/6), moist, clay films on faces of peds and 50 percent faint , moist, silt coats on faces of peds; 55 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU017507. discontinuous - phpvsfiid 241469; discontinuous - phpvsfiid 241469

Bt2—46 to 64 centimeters (18.1 to 25.2 inches); strong brown (7.5YR 5/6) very gravelly silty clay loam; moderate very fine and fine subangular blocky structure; firm; 11.0 very fine and fine roots throughout and 4.0 medium roots throughout; 4.0 very fine interstitial and tubular pores; 20 percent distinct yellowish red (5YR 5/6), moist, clay films on faces of peds and 40 percent faint brown (7.5YR 5/4), moist, silt coats on faces of peds; 40 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; clear wavy boundary. Lab sample # MU017508

2Bt3—64 to 86 centimeters (25.2 to 33.9 inches); red (2.5YR 4/6) and yellowish red (5YR 5/6) very gravelly silty clay; moderate fine subangular blocky structure; firm; 4.0 very fine and fine roots throughout and 1.0 medium roots throughout; 1.0 very fine interstitial pores; 40 percent distinct brown (7.5YR 5/4), moist, silt coats on faces of peds and 40 percent faint , moist, clay films on faces of peds; 45 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; clear wavy boundary. Lab sample # MU017509

2Bt4—86 to 117 centimeters (33.9 to 46.1 inches); red (2.5YR 4/6) extremely gravelly clay; moderate very fine subangular blocky structure; very firm; 4.0 very fine and fine roots throughout and 1.0 medium roots throughout; 1.0 very fine interstitial pores; 20 percent prominent brown (7.5YR 5/4), moist, silt coats on faces of peds and 50 percent faint , moist, clay films on faces of peds; 78 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; clear wavy boundary. Lab sample # MU017510

2Bt5—117 to 203 centimeters (46.1 to 79.9 inches); dark red (10R 3/6) and strong brown (7.5YR 5/6) clay; weak fine subangular blocky parts to moderate very fine subangular blocky structure; very firm; 1.0 very fine and fine roots throughout; 0.5 very fine interstitial pores; 3 percent prominent very pale brown (10YR 7/3), moist, skeletans on faces of peds and 70 percent faint , moist, clay films on faces of peds; 5 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments. Lab sample # MU017511