IDENTIFIERS

Current Taxon Name (Soil Name): Union

OSD

Series Extent

User Site ID: 1999MO221250

User Pedon ID: 1999MO221250

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - MCL

Lab Pedon # - M9922148

NCSS Pedon Lab Data NASIS Record ID - 35345

Print Date: 11/21/2024

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: 37.9198611

Std. Longitude: -90.6967222

Datum: WGS84

Location Description: Mark Czapla Farm

Map Unit: 73035—Gravois silt loam, 8 to 15 percent slopes

State: Missouri

County: MO221—Washington

MLRA: 116A—Ozark Highland

Non-MLRA Soil Survey Area: MO221—Washington County, Missouri

PEDON

Describers Name: DMS/RT

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

Current Taxon Kind: series

Pedon Type: map unit inclusion

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: Converted from PDP 3.x

Correlated Information:

Soil Name - Union

PSC - 15 to 51 cm.

Classificaton Date - 3/8/2011

Soil Taxonomic Edition - ninth edition

Moisture Class - udic

Moisture Subclass - udic

Sampled As Information:

Soil Name - Viraton

Taxon Kind - series

PSC - 15 to 51 cm.

Classificaton Date - 11/16/1999

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: loess/colluvium/residuum

Geomorphic Component Hills: side slope

Hill Slope Profile: backslope

Slope Shape Across: convex

Slope Shape Down: convex

Drainage Class: moderately well

Geology: Jefferson City formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 11/16/1999 (actual site observation date)

Air Photo ID: H6

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
8	—	—	315	—	270	—	—	—	—	—	—	—	—	—	—	—	—	—	—

A—0 to 5 centimeters (0.0 to 2.0 inches); light olive brown (2.5Y 5/4) silt loam; weak fine and medium subangular blocky structure; friable; 6.0 very fine and fine roots and 6.0 medium and coarse roots; 6.0 very fine and fine interstitial and tubular pores; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU063543

BE—5 to 15 centimeters (2.0 to 5.9 inches); yellowish brown (10YR 5/4) silt loam; moderate fine and medium subangular blocky structure; friable; 6.0 very fine and fine roots and 6.0 medium and coarse roots; 6.0 very fine and fine interstitial and tubular pores; fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # MU063544

Bt1—15 to 25 centimeters (5.9 to 9.8 inches); yellowish brown (10YR 5/4) silt loam; moderate fine and medium subangular blocky structure; friable; 6.0 very fine and fine roots and 6.0 medium and coarse roots; 3.0 very fine and fine interstitial and tubular pores; 5 percent clay films; 5 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # MU063545

Bt2—25 to 51 centimeters (9.8 to 20.1 inches); dark yellowish brown (10YR 4/6) gravelly silty clay loam; moderate fine and medium subangular blocky parts to weak very fine and fine angular blocky structure; firm; 3.0 very fine and fine roots and 6.0 medium and coarse roots; 3.0 very fine and fine interstitial and tubular pores; 15 percent clay films; 15 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; abrupt smooth boundary. Lab sample # MU063546

2Btx1—51 to 74 centimeters (20.1 to 29.1 inches); 70 percent yellowish brown (10YR 5/4) and 30 percent strong brown (7.5YR 4/6) extremely gravelly loam; moderate very coarse prismatic structure; very firm; 0.5 very fine and fine roots; 0.5 very fine and fine interstitial and tubular pores; 30 percent clay films and 60 percent silt coats; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU063547. Horizon has vertical seams 2 feet apart with no roots & is 98% brittle.

2Btx2—74 to 94 centimeters (29.1 to 37.0 inches); 70 percent yellowish red (5YR 4/6) and 30 percent brownish yellow (10YR 6/6) very gravelly loam; weak coarse prismatic parts to weak fine platy structure; very firm; 0.5 very fine and fine roots; 0.5 very fine and fine interstitial and tubular pores; 30 percent clay films and 60 percent silt coats; 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU063548

3Bt1—94 to 119 centimeters (37.0 to 46.9 inches); dark red (2.5YR 3/6) gravelly clay; moderate fine angular blocky structure; very firm; 0.5 very fine and fine roots; 1.0 very fine and fine interstitial pores; 60 percent clay films and 60 percent manganese or iron-manganese stains; 15 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # MU063549

3Bt2—119 to 170 centimeters (46.9 to 66.9 inches); 85 percent dark red (2.5YR 3/6) and 15 percent strong brown (7.5YR 5/8) clay; strong fine angular blocky structure; very firm; 0.5 very fine and fine roots; 1.0 very fine and fine interstitial pores; 60 percent clay films; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog. Lab sample # MU063550