IDENTIFIERS

Current Taxon Name (Soil Name): Gravois

OSD

Series Extent

User Site ID: 1995MO051049

User Pedon ID: 1995MO051049

Transect:

Transect Stop Number - 2

Transect Interval - 200.0

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - MCL

Lab Pedon # - M9505114

NCSS Pedon Lab Data NASIS Record ID - 27562

Print Date: 12/11/2024

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: 38.3727984

Std. Longitude: -92.2295506

Datum: WGS84

Range: R12W

Section: 23

Location Description: Harry Bexton property; 3500' due N of SW cor sec. 23, T. 42 N, R 12 W

State: Missouri

County: MO051—Cole

MLRA: 116B—Springfield Plain

PEDON

Describers Name: JLB, FJY

Current Taxon Kind: series

Pedon Type: within range of map unit

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from PDP 3.x

Sampled As Information:

Soil Name - Gravois

PSC - 18 to 69 cm.

Classificaton Date - 2/22/1995

Moisture Class - udic

Dynamic Soil Properties:

Erosion Class - 2

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

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

Landscape: hills

Landform: hillside

Geomorphic Component Hills: side slope

Hill Slope Profile: footslope

Slope Shape Across: convex

Slope Shape Down: concave

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 2/22/1995 (actual site observation date)

Air Photo ID: 4-78

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

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 albic horizon argillic horizon	0—8 8—18 18—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
12	—	—	198	—	90	991	—	—	12.8	23.9	0	—	—	—	—	—	4271	Jefferson City Water Plant	nonrecording

Ap—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (10YR 4/2) silt loam; moderate fine granular structure; very friable; 0.5 fine and medium roots; 0.5 very fine and fine interstitial pores; 6 percent distinct organic stains on faces of peds; 10 percent fine iron-manganese masses; 1 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; abrupt smooth boundary. Lab sample # MU017277. discontinuous - phpvsfiid 146752; discontinuous - phpvsfiid 146752

E—8 to 18 centimeters (3.1 to 7.1 inches); brown (10YR 5/3) silt loam; weak fine subangular blocky structure; friable; 3.0 very fine roots; 0.5 very fine and fine discontinuous tubular pores; 10 percent distinct organic stains on vertical faces of peds and 30 percent distinct silt coats on faces of peds; 1 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU017278. continuous - phpvsfiid 146753; discontinuous - phpvsfiid 146754; continuous - phpvsfiid 146753; discontinuous - phpvsfiid 146754

Bt1—18 to 36 centimeters (7.1 to 14.2 inches); dark yellowish brown (10YR 4/6) silt loam; moderate fine subangular blocky structure; firm; 3.0 fine and medium roots; 0.5 very fine and fine discontinuous tubular pores; 10 percent faint silt coats on vertical faces of peds and 60 percent distinct clay films on faces of peds; 10 percent fine iron-manganese masses; 1 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU017279. continuous - phpvsfiid 146755; discontinuous - phpvsfiid 146756; continuous - phpvsfiid 146755; discontinuous - phpvsfiid 146756

Bt2—36 to 53 centimeters (14.2 to 20.9 inches); dark yellowish brown (10YR 4/6) silty clay loam; moderate very fine subangular blocky structure; firm; 0.5 fine discontinuous tubular pores; 10 percent prominent silt coats on vertical faces of peds and 30 percent prominent clay films on faces of peds; 10 percent fine iron-manganese masses; fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU017280. continuous - phpvsfiid 146757; discontinuous - phpvsfiid 146758; continuous - phpvsfiid 146757; discontinuous - phpvsfiid 146758

Bt3—53 to 66 centimeters (20.9 to 26.0 inches); dark yellowish brown (10YR 4/6) silty clay loam; 10 percent grayish brown (10YR 5/2) fine prominent irregular and 10 percent yellowish brown (10YR 5/8) fine prominent irregular mottles; moderate fine subangular blocky structure; firm; 0.5 fine roots; 0.5 very fine and fine discontinuous tubular pores; 10 percent prominent silt coats on vertical faces of peds and 30 percent prominent clay films on faces of peds; 10 percent fine iron-manganese masses; fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU017281. continuous - phpvsfiid 146759; discontinuous - phpvsfiid 146760; continuous - phpvsfiid 146759; discontinuous - phpvsfiid 146760

2Btx1—66 to 91 centimeters (26.0 to 35.8 inches); dark yellowish brown (10YR 4/4) silt loam; 1 percent grayish brown (10YR 5/2) fine prominent irregular and 1 percent dark yellowish brown (10YR 4/6) fine distinct irregular mottles; weak coarse prismatic parts to weak coarse subangular blocky structure; very firm; brittle; 0.5 medium roots between peds; 3.0 very fine and fine discontinuous tubular pores; 10 percent prominent gray (10YR 5/1) clay films on vertical faces of peds and 30 percent prominent gray (10YR 5/1) silt coats on vertical faces of peds; 10 percent fine iron-manganese masses; 5 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU017282. 30% of matrix is brittle free water along gray prism faces; moist interiors.; continuous - phpvsfiid 146761; continuous - phpvsfiid 146762; continuous - phpvsfiid 146761; continuous - phpvsfiid 146762

3Btx2—91 to 152 centimeters (35.8 to 59.8 inches); dark yellowish brown (10YR 4/4) extremely gravelly loam; 10 percent dark yellowish brown (10YR 4/6) fine distinct irregular and 25 percent grayish brown (10YR 5/2) fine prominent irregular mottles; weak fine subangular blocky structure; very firm; brittle; 0.5 very fine roots between peds; 0.5 fine void between rock fragments pores; 30 percent prominent gray (10YR 5/1) silt coats on vertical faces of peds and 60 percent distinct gray (10YR 5/1) clay films on vertical faces of peds; 5 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 5 percent by volume angular 250-425-600 millimeter limestone, cherty fragments and 60 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # MU017283. coarse frags are chert and sandstone 30% of matrix is brittle; continuous - phpvsfiid 146763; continuous - phpvsfiid 146764; continuous - phpvsfiid 146763; continuous - phpvsfiid 146764

3Bt—152 to 203 centimeters (59.8 to 79.9 inches); strong brown (7.5YR 5/6) extremely gravelly loam; 1 percent brown (10YR 5/3) fine prominent irregular and 10 percent dark yellowish brown (10YR 4/6) fine prominent irregular mottles; moderate fine subangular blocky structure; firm; 0.5 fine void between rock fragments pores; 10 percent prominent silt coats on vertical faces of peds and 10 percent prominent manganese or iron-manganese stains on vertical faces of peds and 30 percent prominent clay films on faces of peds; 5 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 5 percent by volume angular 250-425-600 millimeter limestone, cherty fragments and 60 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.4, hellige-truog. Lab sample # MU017284. coarse frags are chert and sandstone; discontinuous - phpvsfiid 146766; continuous - phpvsfiid 146765; patchy - phpvsfiid 146767; discontinuous - phpvsfiid 146766; continuous - phpvsfiid 146765; patchy - phpvsfiid 146767