IDENTIFIERS

Current Taxon Name (Soil Name): Hildebrecht

OSD

Series Extent

User Site ID: 1991MO123013M

User Pedon ID: 1991MO123013M

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - MCL

Lab Pedon # - M9112313

NCSS Pedon Lab Data NASIS Record ID - 26666

Print Date: 2/2/2025

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: 37.4922222

Std. Longitude: -90.2911111

Datum: WGS84

Township: T32N

Range: R7E

Section: 5

PLSS Details: 800 feet S and 4350 feet E of the NW corner

Location Description: 800 feet south and 4,350 feet east of the northwest corner of sec. 5, T. 32 N., R. 7 E.

Map Unit: 73157—Captina silt loam, 3 to 8 percent slopes88C—Captina silt loam, 5 to 9 percent slopes

State: Missouri

County: MO123—Madison

MLRA: 116A—Ozark Highland

Non-MLRA Soil Survey Area: MO123—Madison County, Missouri

7.5 Minute USGS Quad: 37090-D3—Cherokee Pass, Missouri

PEDON

Describers Name: MLC and CGM

Current Taxonomic Class: Fine-silty, mixed, active, mesic Oxyaquic Fragiudalfs

Current Taxon Kind: series

Pedon Type: taxadjunct to the series

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: Converted from PDP 3.x

Correlated Information:

Soil Name - Hildebrecht

PSC - 13 to 63 cm.

Classificaton Date - 4/1/2011

Soil Taxonomic Edition - tenth edition

Moisture Class - udic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Captina

Taxonomic Class - Fine-silty, siliceous, active, mesic Typic Fragiudults

Taxon Kind - series

PSC - 13 to 63 cm.

Classificaton Date - 6/7/1991

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

Field Measured Properties: 56 Cation exchange capacity to clay ratio

SITE

Parent Material: loess derived from sedimentary rock over residuum weathered from sedimentary rock

Landscape: plateau

Landform: interfluve

Geomorphic Component Hills: interfluve

Hill Slope Profile: summit

Runoff: medium

Drainage Class: moderately well

Flooding: none flooding

Ponding: none ponding

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 6/7/1991 (actual site observation date)

Air Photo ID: C-5

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - hayland

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
fragipan	noncoherent	64 - 79	- 15 -

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon fragipan	0—13 13—198 64—79	—- —- —-

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	—	—	300	—	280	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap—0 to 13 centimeters (0.0 to 5.1 inches); 1 percent dark yellowish brown (10YR 4/6) and 99 percent dark yellowish brown (10YR 4/4), light yellowish brown (10YR 6/4), dry; silt loam; weak very fine subangular blocky parts to moderate very fine and fine granular structure; friable; moderately slow permeability; 10.0 very fine and fine roots throughout and 0.5 medium roots throughout; 5 percent distinct black (10YR 2/1) manganese or iron-manganese stains; fragments; neutral, pH 7.3, hellige-truog; abrupt wavy boundary. Lab sample # MU011099; moist when described;. Few cobbles probably due to disturbed nature of site; some charred flecks present.; patchy - phpvsfiid 162164; patchy - phpvsfiid 162164

Bt1—13 to 25 centimeters (5.1 to 9.8 inches); strong brown (7.5YR 4/6) silty clay loam; weak very fine and fine subangular blocky structure; friable; 3.0 very fine and fine roots throughout; 35 percent prominent clay films on faces of peds; 1 percent fine iron-manganese masses; fragments; neutral, pH 7.1, hellige-truog; clear wavy boundary. Lab sample # MU011100; moist when described;. Some silt mixing in channels.; discontinuous - phpvsfiid 162165; discontinuous - phpvsfiid 162165

Bt2—25 to 41 centimeters (9.8 to 16.1 inches); 60 percent dark yellowish brown (10YR 4/6) and 40 percent strong brown (7.5YR 4/6) silty clay loam; moderate very fine subangular blocky structure; friable; 3.0 very fine and fine roots; 30 percent distinct clay films on faces of peds; 1 percent fine iron-manganese masses; 1 percent by volume nonflat subrounded indurated 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.3, hellige-truog; clear wavy boundary. Lab sample # MU011101; moist when described;. Some silt mixing in channels.; discontinuous - phpvsfiid 162166; discontinuous - phpvsfiid 162166

Bt3—41 to 51 centimeters (16.1 to 20.1 inches); dark yellowish brown (10YR 4/6) silty clay loam; weak fine subangular blocky, and moderate very fine subangular blocky structure; friable; 3.0 very fine and fine roots; 30 percent distinct clay films on faces of peds; 1 percent fine iron-manganese masses and 1 percent fine distinct brown (10YR 5/3), moist, iron depletions; 1 percent by volume nonflat angular indurated 2-39-75 millimeter unspecified fragments and 1 percent by volume nonflat subrounded indurated 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; abrupt wavy boundary. Lab sample # MU011102; moist when described;. Some whitish silty material near lower boundry; clay lenses (10YR 5/2) 1 to 2 inches thick.; discontinuous - phpvsfiid 162167; discontinuous - phpvsfiid 162167

Bt4—51 to 64 centimeters (20.1 to 25.2 inches); 60 percent yellowish brown (10YR 5/6) and 40 percent dark yellowish brown (10YR 4/6) silty clay loam; moderate very fine subangular blocky structure; very friable; 3.0 very fine and fine roots; 51 percent prominent clay films on faces of peds; 1 percent fine iron-manganese masses; 3 percent by volume nonflat subrounded indurated 2-39-75 millimeter unspecified fragments and 3 percent by volume nonflat rounded indurated 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; abrupt wavy boundary. Lab sample # MU011103; moist when described;. continuous - phpvsfiid 162168; continuous - phpvsfiid 162168

2Btx—64 to 79 centimeters (25.2 to 31.1 inches); 50 percent brownish yellow (10YR 6/6) and 25 percent dark yellowish brown (10YR 4/4) and 25 percent dark yellowish brown (10YR 3/4) extremely gravelly silt loam; moderate very fine subangular blocky structure; firm; brittle; very slow permeability; 0.5 fine roots; 30 percent distinct dark yellowish brown (10YR 3/4) clay films on faces of peds; 1 percent fine iron-manganese masses and 25 percent medium prominent strong brown (7.5YR 5/8), moist, iron-manganese masses; 65 percent by volume nonflat subangular indurated 2-39-75 millimeter unspecified fragments; 70 BT; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU011104; moist when described;. discontinuous - phpvsfiid 162169; discontinuous - phpvsfiid 162169

3Bt5—79 to 102 centimeters (31.1 to 40.2 inches); 99 percent yellowish brown (10YR 5/6) and 1 percent brown (10YR 4/3) gravelly clay; strong very fine angular blocky structure; firm; 51 percent prominent clay films on faces of peds; 30 percent fine prominent red (2.5YR 4/6), moist, masses of oxidized iron; 1 percent by volume nonflat subrounded indurated 75-162-250 millimeter unspecified fragments and 30 percent by volume nonflat indurated 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.4, hellige-truog; gradual irregular boundary. Lab sample # MU011105; moist when described;. continuous - phpvsfiid 162170; continuous - phpvsfiid 162170

3Bt6—102 to 132 centimeters (40.2 to 52.0 inches); 1 percent brown (10YR 4/3) and yellowish brown (10YR 5/8) interior and yellowish red (5YR 4/6) exterior extremely gravelly clay; strong very fine angular blocky, and moderate very fine subangular blocky structure; very firm; 51 percent prominent clay films on faces of peds; 30 percent medium and coarse brownish yellow (10YR 6/6) masses of oxidized iron; 65 percent by volume nonflat angular indurated 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.4, hellige-truog; gradual wavy boundary. Lab sample # MU011106; moist when described;. Siltsone residuum, colors are banded.; continuous - phpvsfiid 162171; continuous - phpvsfiid 162171

3Bt7—132 to 170 centimeters (52.0 to 66.9 inches); 10 percent reddish brown (5YR 4/3) and 50 percent strong brown (7.5YR 5/8) and 40 percent yellowish red (5YR 4/6) gravelly clay; moderate very fine angular blocky, and moderate very fine subangular blocky structure; firm; 51 percent prominent clay films on faces of peds; 1 percent fine iron-manganese masses; 3 percent by volume nonflat indurated 75-162-250 millimeter unspecified fragments and 30 percent by volume nonflat indurated 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.6, hellige-truog; clear wavy boundary. Lab sample # MU011107; moist when described;. Colors are banded.; continuous - phpvsfiid 162172; continuous - phpvsfiid 162172

3Bt8—170 to 198 centimeters (66.9 to 78.0 inches); 60 percent dark yellowish brown (10YR 4/6) and 40 percent yellowish brown (10YR 5/8) gravelly clay loam; moderate very fine and fine subangular blocky structure; firm; 30 percent prominent clay films on faces of peds; 1 percent fine iron-manganese masses and 10 percent medium prominent dark red (2.5YR 3/6), moist, masses of oxidized iron; 3 percent by volume nonflat indurated 75-162-250 millimeter unspecified fragments and 25 percent by volume nonflat indurated 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog. Lab sample # MU011108; moist when described;. 10YR 7/8 color is soft bodies of silt.; discontinuous - phpvsfiid 162173; discontinuous - phpvsfiid 162173