IDENTIFIERS
Current Taxon Name (Soil Name):
Irondale
OSD
Series Extent
User Site ID:
1988MO123008M
User Pedon ID:
1988MO123008M
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M8812308
NCSS Pedon Lab Data NASIS Record ID -
28109
Print Date:
2/16/2025
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:
37.4909439
Std. Longitude:
-90.4299698
Datum:
WGS84
Township:
T32N
Range:
R6E
Section:
6
PLSS Details:
1800 feet E and 1700 feet S of the NW corner
Location Description:
1800 ft. E. and 1700 ft. S. of the NW corner of sec. 6, T. 32 N., R. 6 E.
Map Unit:
77007—Taumsauk-Irondale-Rock outcrop complex, 15 to 45 percent slopes, extremely stony45F—Taumsauk-Irondale-Rock outcrop complex, 15 to 40 percent slopes, extremely stony
State:
Missouri
County:
MO123—Madison
MLRA:
116A—Ozark Highland
MLRA Soil Survey Area:
NC-SPM—Springfield, Missouri
Non-MLRA Soil Survey Area:
MO123—Madison County, Missouri
7.5 Minute USGS Quad:
37090-D4—Rock Pile Mountain, Missouri
PEDON
Describers Name:
RM, JF andBB
Current Taxonomic Class:
Loamy-skeletal, mixed, active, mesic Typic Hapludults
Current Taxon Kind:
series
Pedon Type:
representative pedon for component
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
Converted from PDP 3.x
Correlated Information:
Soil Name -
Irondale
PSC -
23 to 73 cm.
Classificaton Date -
1/31/2012
Moisture Class -
udic
Sampled As Information:
Soil Name -
Irondale
Taxonomic Class -
Loamy-skeletal, mixed, active, mesic Typic Hapludults
Taxon Kind -
series
PSC -
23 to 73 cm.
Classificaton Date -
5/18/1988
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
loess over residuum
Landscape:
mountains
Landform:
mountain slope
Runoff:
high
Drainage Class:
well
Bedrock:
igneous, acid
Surface Fragments:
10.00 percent
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
5/18/1988 (actual site observation date)
Air Photo ID:
B-5
Surface Cover Properties:
Site Obs. Cover Kind 1 -
tree cover
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
bedrock, lithic
—
86 -
—
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
argillic horizon
lithic contact
0—23
23—86
86—
—-
—-
—-
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
22
—
—
238
—
290
—
—
—
—
—
—
—
—
—
—
—
—
—
—
A—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2), light brownish gray (10YR 6/2), dry; very cobbly silt loam; moderate fine granular structure; friable; 10.0 fine and medium roots and 0.5 coarse roots; 20 percent by volume 75-162-250 millimeter unspecified fragments and 30 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # MU020970
B/A1—10 to 23 centimeters (3.9 to 9.1 inches); strong brown (7.5YR 5/6) very cobbly silt loam; weak medium subangular blocky parts to weak fine and medium granular structure; fragments; strongly acid, pH 5.2, hellige-truog. Lab sample # MU020971
B/A2—10 to 23 centimeters (3.9 to 9.1 inches); dark grayish brown (10YR 4/2) very cobbly silt loam; friable; 10.0 fine and medium roots and 3.0 coarse roots; 15 percent by volume 2-39-75 millimeter unspecified fragments and 20 percent by volume 75-162-250 millimeter unspecified fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU020971
Bt1—23 to 30 centimeters (9.1 to 11.8 inches); strong brown (7.5YR 4/6) cobbly silt loam; moderate medium subangular blocky structure; friable; 3.0 medium roots and 10.0 fine roots and 0.5 coarse roots; clay films; 15 percent by volume 2-39-75 millimeter unspecified fragments and 15 percent by volume 75-162-250 millimeter unspecified fragments; strongly acid, pH 5.3, hellige-truog; clear wavy boundary. Lab sample # MU020972. patchy - phpvsfiid 161899; patchy - phpvsfiid 161899
Bt2—30 to 41 centimeters (11.8 to 16.1 inches); strong brown (7.5YR 5/6) cobbly silt loam; moderate medium subangular blocky structure; friable; 3.0 fine and medium roots and 0.5 coarse roots; clay films; 1 percent fine dark concretions; 10 percent by volume 2-39-75 millimeter unspecified fragments and 20 percent by volume 75-162-250 millimeter unspecified fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU020973. continuous - phpvsfiid 161900; continuous - phpvsfiid 161900
Bt3—41 to 58 centimeters (16.1 to 22.8 inches); strong brown (7.5YR 5/6) very cobbly silty clay loam; moderate medium subangular blocky structure; friable; 3.0 fine and medium roots and 0.5 coarse roots; clay films; 10 percent fine dark concretions; 25 percent by volume 2-39-75 millimeter unspecified fragments and 35 percent by volume 75-162-250 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU020974. continuous - phpvsfiid 161901; continuous - phpvsfiid 161901
Bt4—58 to 86 centimeters (22.8 to 33.9 inches); yellowish red (5YR 4/6) extremely cobbly silty clay loam; moderate medium subangular blocky structure; friable; 3.0 fine roots and 0.5 coarse roots; clay films; 10 percent fine dark concretions; 30 percent by volume 2-39-75 millimeter unspecified fragments and 40 percent by volume 75-162-250 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU020975. continuous - phpvsfiid 161902; continuous - phpvsfiid 161902
R—86 centimeters (33.9 inches); bedrock; fragments.