IDENTIFIERS
Current Taxon Name (Soil Name):
Napier
OSD
Series Extent
User Site ID:
S2013IA133001
User Pedon ID:
S2013IA133001
Lab Information:
Certified Lab Pedon Description -
no
Print Date:
12/5/2025
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:
42.1211470
Std. Longitude:
-95.7506410
Datum:
WGS84
State:
Iowa
County:
IA133—Monona
MLRA:
107—Iowa and Missouri Deep Loess Hills
MLRA Soil Survey Area:
NC-ATL—Atlantic, Iowa
Non-MLRA Soil Survey Area:
IA133—Monona County, Iowa
PEDON
Describers Name:
Daniel J. Pulido
Current Taxonomic Class:
Fine-silty, mixed, superactive, mesic Cumulic Hapludolls
Current Taxon Kind:
series
Pedon Record Orgin:
NASIS
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Hill Slope Profile:
footslope
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
5/8/2013 (actual site observation date)
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
5
—
—
—
—
180
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—
—
—
—
—
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Ap—0 to 21 centimeters (0.0 to 8.3 inches); very dark grayish brown (10YR 3/2) silt loam; weak fine subangular blocky parts to weak fine granular structure; very friable; fragments; noneffervescent; clear smooth boundary.; observed in push tube
A1—21 to 60 centimeters (8.3 to 23.6 inches); very dark grayish brown (10YR 3/2) and very dark brown (10YR 2/2) silt loam; moderate fine subangular blocky, and moderate medium subangular blocky structure; very friable; fragments; noneffervescent; clear smooth boundary.; observed in push tube
A2—60 to 102 centimeters (23.6 to 40.2 inches); black (10YR 2/1) and very dark brown (10YR 2/2) silt loam; moderate fine subangular blocky, and moderate medium subangular blocky structure; very friable; fragments; noneffervescent; gradual smooth boundary.; observed in push tube
A3—102 to 132 centimeters (40.2 to 52.0 inches); very dark grayish brown (10YR 3/2) and very dark brown (10YR 2/2) silt loam; moderate fine subangular blocky, and moderate medium subangular blocky structure; very friable; fragments; noneffervescent; gradual smooth boundary.; observed in push tube
A4—132 to 158 centimeters (52.0 to 62.2 inches); very dark brown (10YR 2/2) and very dark grayish brown (10YR 3/2) silt loam; moderate fine subangular blocky, and moderate medium subangular blocky structure; very friable; 2 percent clay films on surfaces along root channels; 1 percent fine distinct strong brown (7.5YR 4/6), moist, iron-manganese masses; fragments; noneffervescent; clear smooth boundary.; observed in push tube
Bw—158 to 200 centimeters (62.2 to 78.7 inches); dark yellowish brown (10YR 4/4) silty clay loam; 28 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky, and moderate medium prismatic structure; friable; fragments; noneffervescent.; observed in push tube