IDENTIFIERS

Current Taxon Name (Soil Name): Gravois

OSD

Series Extent

User Site ID: 1995MO051072

User Pedon ID: 1995MO051072

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - MCL

Lab Pedon # - M9505136

NCSS Pedon Lab Data NASIS Record ID - 27563

Print Date: 4/27/2025

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: 38.3701145

Std. Longitude: -92.2325554

Datum: WGS84

Location Description: Harry Bexten property

State: Missouri

County: MO051—Cole

MLRA: 116B—Springfield Plain

PEDON

Describers Name: FJY

Current Taxon Kind: series

Pedon Type: not classified to current taxon name

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 - 3/20/1995

Moisture Class - udic

Dynamic Soil Properties:

Erosion Class - 1

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 Position: middle third

Slope Shape Across: convex

Slope Shape Down: concave

Surface Fragments: 0.00 percent

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 3/20/1995 (actual site observation date)

Air Photo ID: 4-77

Plant Association Name: oak/hickory forest

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 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
20	—	—	219	—	0	991	—	—	12.8	23.9	0	—	—	—	—	—	4271	Jefferson City Water Plant	nonrecording

A—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 4/3) silt loam; moderate fine granular structure; very friable; 6.0 very fine to medium roots; 6.0 fine interstitial pores; 6 percent distinct organic stains on faces of peds; fragments; moderately acid, pH 5.9, hellige-truog; abrupt wavy boundary. Lab sample # MU017285. discontinuous - phpvsfiid 146860; discontinuous - phpvsfiid 146860

E—8 to 18 centimeters (3.1 to 7.1 inches); pale brown (10YR 6/3) silt loam; weak medium platy parts to weak fine subangular blocky structure; very friable; 3.0 very fine to medium roots; 3.0 very fine and fine interstitial and 6.0 very fine and fine tubular pores; 30 percent prominent brown (10YR 4/3) organic stains on faces of peds; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # MU017286. discontinuous - phpvsfiid 146861; discontinuous - phpvsfiid 146861

Bt1—18 to 41 centimeters (7.1 to 16.1 inches); yellowish brown (10YR 5/4) silt loam; weak fine subangular blocky structure; friable; 3.0 very fine to medium roots; 3.0 very fine and fine tubular pores; 10 percent faint clay films on faces of peds and 30 percent distinct brown (10YR 5/3) silt coats on faces of peds; fragments; strongly acid, pH 5.4, hellige-truog; diffuse smooth boundary. Lab sample # MU017287. patchy - phpvsfiid 146862; discontinuous - phpvsfiid 146863; patchy - phpvsfiid 146862; discontinuous - phpvsfiid 146863

Bt2—41 to 61 centimeters (16.1 to 24.0 inches); yellowish brown (10YR 5/4) silty clay loam; moderate very fine subangular blocky structure; friable; 3.0 very fine to medium roots; 3.0 very fine and fine tubular pores; 10 percent faint silt coats on faces of peds and 10 percent distinct clay films on faces of peds and 55 percent faint clay films on faces of peds; fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU017288. continuous - phpvsfiid 146864; discontinuous - phpvsfiid 146865; discontinuous - phpvsfiid 146866; continuous - phpvsfiid 146864; discontinuous - phpvsfiid 146865; discontinuous - phpvsfiid 146866

Bt3—61 to 84 centimeters (24.0 to 33.1 inches); yellowish brown (10YR 5/4) silty clay loam; 10 percent strong brown (7.5YR 5/6) fine prominent and 30 percent light brownish gray (10YR 6/2) fine prominent mottles; moderate very fine subangular blocky structure; firm; 3.0 very fine roots and 0.5 medium roots; 3.0 very fine tubular pores; 3 percent distinct manganese or iron-manganese stains and 10 percent faint silt coats on faces of peds and 30 percent faint clay films on faces of peds; fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU017289. continuous - phpvsfiid 146867; discontinuous - phpvsfiid 146868; patchy - phpvsfiid 146869; continuous - phpvsfiid 146867; discontinuous - phpvsfiid 146868; patchy - phpvsfiid 146869

2Btx1—84 to 109 centimeters (33.1 to 42.9 inches); yellowish brown (10YR 5/4) silty clay loam; 10 percent strong brown (7.5YR 5/6) fine prominent and 30 percent light brownish gray (10YR 6/2) fine prominent mottles; weak fine prismatic parts to moderate fine subangular blocky structure; firm; 0.5 very fine and fine roots between peds; 0.5 very fine tubular pores; 3 percent distinct manganese or iron-manganese stains on faces of peds and 30 percent distinct dark yellowish brown (10YR 4/4) clay films on faces of peds; fragments; very strongly acid, pH 4.6, hellige-truog; diffuse smooth boundary. Lab sample # MU017290. continuous - phpvsfiid 146870; patchy - phpvsfiid 146871; continuous - phpvsfiid 146870; patchy - phpvsfiid 146871

2Btx2—109 to 135 centimeters (42.9 to 53.1 inches); yellowish brown (10YR 5/4) loam; 1 percent strong brown (7.5YR 5/6) fine prominent and 30 percent light brownish gray (10YR 6/2) medium prominent mottles; weak medium prismatic parts to weak medium subangular blocky structure; firm; brittle; 0.5 very fine and fine roots between peds; 0.5 very fine and fine tubular and 0.5 fine interstitial pores; 3 percent prominent manganese or iron-manganese stains in root channels and/or pores and 6 percent prominent dark yellowish brown (10YR 4/4) clay films on vertical faces of peds and 6 percent distinct silt coats on vertical faces of peds; fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU017291. continuous - phpvsfiid 146872; continuous - phpvsfiid 146873; patchy - phpvsfiid 146874; continuous - phpvsfiid 146872; continuous - phpvsfiid 146873; patchy - phpvsfiid 146874

3Btx3—135 to 180 centimeters (53.1 to 70.9 inches); yellowish brown (10YR 5/4) very gravelly loam; 10 percent strong brown (7.5YR 5/6) fine prominent and 25 percent light brownish gray (10YR 6/2) medium prominent mottles; weak fine and medium subangular blocky structure; firm; 0.5 very fine roots between peds; 0.5 very fine and fine interstitial and tubular pores; 6 percent distinct brown (7.5YR 4/4) clay films on faces of peds and in pores and 6 percent distinct silt coats on vertical faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU017292. about 50% of matrix is weakly brittle; continuous - phpvsfiid 146875; continuous - phpvsfiid 146876; continuous - phpvsfiid 146875; continuous - phpvsfiid 146876

4Bt4—180 to 203 centimeters (70.9 to 79.9 inches); red (2.5YR 4/6) cobbly clay; 10 percent reddish yellow (7.5YR 6/6) fine prominent mottles; strong very fine subangular blocky structure; very firm; 0.5 fine roots; 0.5 very fine and fine tubular pores; 6 percent prominent manganese or iron-manganese stains in root channels and/or pores and 60 percent faint clay films on faces of peds and 60 percent faint pressure faces on faces of peds; 5 percent by volume 2-39-75 millimeter limestone, cherty fragments and 5 percent by volume 250-425-600 millimeter limestone, cherty fragments and 15 percent by volume 75-162-250 millimeter limestone, cherty fragments; moderately acid, pH 5.7, hellige-truog. Lab sample # MU017293. continuous - phpvsfiid 146877; continuous - phpvsfiid 146878; continuous - phpvsfiid 149203; continuous - phpvsfiid 146877; continuous - phpvsfiid 146878; continuous - phpvsfiid 149203