IDENTIFIERS
Current Taxon Name (Soil Name):
Hildebrecht
OSD
Series Extent
User Site ID:
2006MO187005M
User Pedon ID:
2006MO187005
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M0618705
Print Date:
1/30/2025
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:
37.6779444
Std. Longitude:
-90.1789444
Datum:
WGS84
State:
Missouri
County:
MO187—St. Francois
MLRA:
116A—Ozark Highland
Non-MLRA Soil Survey Area:
MO187—St. Francois County, Missouri
7.5 Minute USGS Quad:
37090-F2—Womack, Missouri
PEDON
Describers Name:
BK, RT
Current Taxonomic Class:
Fine-silty, mixed, superactive, mesic Oxyaquic Fragiudalfs
Current Taxon Kind:
taxadjunct
Pedon Type:
taxadjunct to the series
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
NASIS
Correlated Information:
Soil Name -
Hildebrecht
PSC -
18 to 67 cm.
Classificaton Date -
4/1/2011
Soil Taxonomic Edition -
tenth edition
Moisture Class -
udic
Moisture Subclass -
oxyaquic
Sampled As Information:
Soil Name -
Captina
Taxon Kind -
series
Classificaton Date -
11/9/2006
Dynamic Soil Properties:
Erosion Class -
2
Pedoderm Loose Cover Indicator -
no
Hydric:
no
Certification Status:
certified
SITE
Parent Material:
loess over slope alluvium over residuum
Landscape:
plateau
Landform:
interfluve
Geomorphic Component Hills:
interfluve
Hill Slope Profile:
summit
Slope Position:
upper third
Slope Complexity:
simple
Slope Shape Across:
convex
Slope Shape Down:
convex
Runoff:
medium
Drainage Class:
moderately well
Flooding:
none flooding
Ponding:
none ponding
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
11/9/2006 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
grass/herbaceous cover
Site Obs. Cover Kind 2 -
other grass/herbaceous cover
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Pedon Restrictions
Kind
Hardness
Restriction Depth L-H
Restriction Thickness L-RV-H
cm
fragipan
—
67 - 132
—
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
argillic horizon
fragipan
0—18
18—205
67—132
—-
—-
—-
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
—
—
321.6
—
110
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 4/3) silt loam; weak fine subangular blocky structure; friable; 10.0 very fine and fine roots and 5.0 medium roots and 0.5 coarse roots; 10.0 very fine and fine tubular and 3.0 medium tubular pores; fragments; abrupt smooth boundary. Lab sample # MU010999
Bt1—18 to 48 centimeters (7.1 to 18.9 inches); dark yellowish brown (10YR 4/6) silty clay loam; moderate medium subangular blocky structure; firm; 5.0 very fine and fine roots and 3.0 medium roots and 0.5 coarse roots; 10.0 very fine and fine tubular and 3.0 medium tubular pores; 5 percent distinct brown (10YR 4/3) organic stains; fragments; clear smooth boundary. Lab sample # MU011000
Btg—48 to 67 centimeters (18.9 to 26.4 inches); grayish brown (10YR 5/2) silty clay loam; moderate fine and medium subangular blocky structure; firm; 5.0 very fine and fine roots and 3.0 medium roots; 7.0 very fine and fine tubular and 3.0 medium tubular pores; 10 percent prominent dark yellowish brown (10YR 4/6) clay films on all faces of peds; 5 percent medium prominent yellowish brown (10YR 5/6) masses of oxidized iron and 25 percent coarse prominent yellowish brown (10YR 5/6) masses of oxidized iron; fragments; clear smooth boundary. Lab sample # MU011001
2Btx1—67 to 105 centimeters (26.4 to 41.3 inches); light olive brown (2.5Y 5/6) silt loam; weak coarse prismatic parts to weak medium subangular blocky structure; firm; brittle; 0.5 very fine and fine roots; 3.0 very fine and fine tubular pores; 5 percent distinct light olive brown (2.5Y 5/4) clay films; 3 percent fine prominent black (10YR 2/1) manganese masses and 5 percent medium prominent yellowish brown (10YR 5/6) masses of oxidized iron and 25 percent medium prominent light brownish gray (10YR 6/2) iron depletions on vertical faces of peds; 2 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; 60 percent of brittleness; abrupt wavy boundary. Lab sample # MU011002
2Btx2—105 to 132 centimeters (41.3 to 52.0 inches); 70 percent dark yellowish brown (10YR 4/6) and 30 percent red (2.5YR 4/8) very gravelly silty clay loam; structureless massive; firm; brittle; 0.5 very fine and fine roots; 3.0 very fine and fine tubular pores; 3 percent distinct dark yellowish brown (10YR 4/6) clay films and 3 percent distinct dark yellowish brown (10YR 4/4) clay films; 2 percent fine prominent black (10YR 2/1) manganese masses; 55 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; 75 percent of brittleness; clear wavy boundary. Lab sample # MU011003
3Bt2—132 to 152 centimeters (52.0 to 59.8 inches); 70 percent dark yellowish brown (10YR 4/6) and 30 percent red (2.5YR 4/8) clay; moderate fine and medium subangular blocky structure; firm; 0.5 very fine and fine roots; 3.0 very fine and fine tubular pores; 10 percent distinct yellowish red (5YR 4/6) clay films; 5 percent medium prominent brown (7.5YR 5/2) iron depletions on vertical faces of peds; 10 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU011004
3Bt3—152 to 170 centimeters (59.8 to 66.9 inches); 60 percent dark yellowish brown (10YR 4/6) and 40 percent red (2.5YR 4/8) gravelly clay; weak medium subangular blocky structure; firm; 0.5 very fine and fine roots; 3.0 very fine and fine tubular pores; 10 percent distinct yellowish red (5YR 4/6) clay films; 5 percent medium prominent brown (7.5YR 5/2) iron depletions on vertical faces of peds; 25 percent by volume nonflat subangular indurated 2-?-75 millimeter mixed fragments; gradual smooth boundary. Lab sample # MU011005
3Bt4—170 to 205 centimeters (66.9 to 80.7 inches); 60 percent dark yellowish brown (10YR 4/6) and 40 percent red (2.5YR 4/8) very gravelly clay; weak medium subangular blocky structure; firm; 0.5 very fine and fine roots; 3.0 very fine and fine tubular pores; 15 percent distinct brown (10YR 4/3) clay films; 5 percent by volume nonflat subangular indurated 75-?-250 millimeter sandstone, unspecified fragments and 30 percent by volume nonflat subangular indurated 2-?-75 millimeter mixed fragments. Lab sample # MU011006