IDENTIFIERS
Current Taxon Name (Soil Name):
Judson
OSD
Series Extent
User Site ID:
S2012IA009002
User Pedon ID:
S2012IA009002
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
13N0536
NCSS Pedon Lab Data NASIS Record ID -
74312
Print Date:
4/25/2025
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:
41.5778109
Std. Longitude:
-94.8813950
Datum:
WGS84
Map Unit:
133—Colo silty clay loam, deep loess, 0 to 2 percent slopes, occasionally flooded
State:
Iowa
County:
IA009—Audubon
MLRA:
107—Iowa and Missouri Deep Loess Hills
MLRA Soil Survey Area:
NC-ATL—Atlantic, Iowa
Non-MLRA Soil Survey Area:
IA009—Audubon County, Iowa
7.5 Minute USGS Quad:
41094-E8—Exira West, Iowa
PEDON
Describers Name:
Hammerly, John
Current Taxonomic Class:
Fine-silty, mixed, superactive, mesic Cumulic Hapludolls
Current Taxon Kind:
series
Pedon Type:
not classified to current taxon name
Pedon Purpose:
soil survey inventory
Pedon Record Orgin:
NASIS
Sampled As Information:
Soil Name -
Judson
Taxonomic Class -
Fine-silty, mixed, superactive, mesic Cumulic Hapludolls
Taxon Kind -
series
Classificaton Date -
11/1/2012
Classifier -
Hammerly, John
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landscape:
drainageways upland
Geomorphic Component Hills:
base slope
Hill Slope Profile:
footslope
Slope Position:
lower third
Slope Complexity:
simple
Slope Shape Across:
concave
Slope Shape Down:
linear
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
11/1/2012 (actual site observation date)
Data Collector:
MLRA SSO 11-ATL
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
Site Obs. Cover Kind 2 -
hayland
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
4
—
—
—
—
111
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 21 centimeters (0.0 to 8.3 inches); black (10YR 2/1) broken face silty clay loam; weak fine subangular blocky structure; friable; fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # 13N02481; observed in push tube
A—21 to 70 centimeters (8.3 to 27.6 inches); black (10YR 2/1) broken face silty clay loam; weak fine prismatic parts to weak fine subangular blocky structure; friable; fragments; noneffervescent, by hcl, unspecified; gradual smooth boundary. Lab sample # 13N02482; observed in push tube
AB—70 to 93 centimeters (27.6 to 36.6 inches); 51 percent black (10YR 2/1) broken face and 49 percent very dark grayish brown (10YR 3/2) broken face silty clay loam;—Error in Exists On—structure; friable; 2 percent clay films on all faces of peds; fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # 13N02483; observed in push tube
Bt1—93 to 122 centimeters (36.6 to 48.0 inches); 51 percent brown (10YR 4/3) broken face and 49 percent very dark grayish brown (10YR 3/2) broken face silty clay loam; moderate medium prismatic parts to moderate subangular blocky, and moderate fine prismatic parts to moderate subangular blocky structure; friable; 5 percent clay films on all faces of peds; 1 percent dark yellowish brown (10YR 4/6), moist, iron-manganese masses and 1 percent grayish brown (2.5Y 5/2), moist, iron depletions; fragments; noneffervescent, by hcl, unspecified; gradual smooth boundary. Lab sample # 13N02484; observed in push tube
Bt2—122 to 163 centimeters (48.0 to 64.2 inches); 51 percent brown (10YR 4/3) broken face and 49 percent dark yellowish brown (10YR 4/4) broken face silty clay loam; moderate medium prismatic structure; friable; 7 percent clay films on all faces of peds; 3 percent dark yellowish brown (10YR 4/6), moist, iron-manganese masses and 5 percent grayish brown (2.5Y 5/2), moist, iron depletions; fragments; noneffervescent, by hcl, unspecified; gradual smooth boundary. Lab sample # 13N02485; observed in push tube
C—163 to 203 centimeters (64.2 to 79.9 inches); dark yellowish brown (10YR 4/4) broken face silt loam; structureless massive; friable; 3 percent dark yellowish brown (10YR 4/6), moist, iron-manganese masses and 5 percent grayish brown (2.5Y 5/2), moist, iron depletions; fragments; noneffervescent, by hcl, unspecified. Lab sample # 13N02486; observed in push tube