IDENTIFIERS
Current Taxon Name (Soil Name):
Marshall
OSD
Series Extent
User Site ID:
S1974IA129001
User Pedon ID:
S1974IA129001
Vegetation Plot ID:
S1974IA129001
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
40A5196
NCSS Pedon Lab Data NASIS Record ID -
41893
Print Date:
5/20/2024
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:
40.9669456
Std. Longitude:
-95.3927765
Datum:
WGS84
Township:
71N
Range:
40W
Section:
12
PLSS Details:
360 feet east and 140 feet north of the SW corner of the NE1/4
Location Description:
Measurements from center of US Highway 59.
State:
Iowa
County:
IA129—Mills
Non-MLRA Soil Survey Area:
IA129—Mills County, Iowa
PEDON
Describers Name:
T. E. Featon, C. S. Fisher, D. Lockridge
Current Taxonomic Class:
Fine-silty, mixed, mesic Typic Hapludolls
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
1
Sampled As Information:
Soil Name -
Marshall
Taxonomic Class -
Fine-silty, mixed, mesic Typic Hapludolls
Classificaton Date -
9/1/1974
Dynamic Soil Properties:
Erosion Class -
0
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
Wisconsin loess
Landform:
top of ridge
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
9/1/1974 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
Site Obs. Cover Kind 2 -
row crop
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Vegetation Plot Plants
Plant Symbol
Scientific Name
National Vernacular Name
Plant Type Group
Canopy Cover %
Vegetation Stata Level
ZEMA
Zea mays
corn
—
—
—
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
1
—
—
—
—
135
—
—
—
—
—
—
—
—
—
—
—
—
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—
Ap—0 to 25 centimeters (0.0 to 9.8 inches); black (10YR 2/1), grayish brown (10YR 5/2), dry; silty clay loam; 28 percent clay; cloddy, and moderate fine and medium subangular blocky structure; friable; fragments; abrupt smooth boundary. Lab sample # 40A39075
A12—25 to 43 centimeters (9.8 to 16.9 inches); very dark brown (10YR 2/2) and black (10YR 2/1) silty clay loam; 29 percent clay; moderate fine and medium granular structure; friable; fragments; clear smooth boundary. Lab sample # 40A39076
A3—43 to 56 centimeters (16.9 to 22.0 inches); very dark grayish brown (10YR 3/2) and very dark brown (10YR 2/2) silty clay loam; 31 percent clay; moderate fine subangular blocky structure; friable; fragments; clear smooth boundary. Lab sample # 40A39077
B21—56 to 66 centimeters (22.0 to 26.0 inches); brown (10YR 4/3) and very dark grayish brown (10YR 3/2) and dark brown (10YR 3/3) silty clay loam; 34 percent clay; weak fine prismatic, and moderate fine and medium subangular blocky structure; friable; fragments; clear smooth boundary. Lab sample # 40A39078
B22—66 to 86 centimeters (26.0 to 33.9 inches); brown (10YR 4/3) and dark brown (10YR 3/3) silty clay loam; 33 percent clay; 10 percent strong brown (7.5YR 5/6) fine distinct and 10 percent strong brown (7.5YR 5/8) fine distinct mottles; weak medium prismatic, and moderate fine and medium subangular blocky structure; friable; fragments; clear smooth boundary. Lab sample # 40A39079
B31—86 to 109 centimeters (33.9 to 42.9 inches); brown (10YR 4/3) and grayish brown (2.5Y 5/2) silty clay loam; 28 percent clay; 3 percent strong brown (7.5YR 5/8) fine and medium and 3 percent grayish brown (2.5Y 5/2) fine and medium and 3 percent strong brown (7.5YR 5/6) fine and medium mottles; weak medium prismatic, and weak fine and medium subangular blocky structure; friable; fragments; gradual smooth boundary. Lab sample # 40A39080
B32—109 to 127 centimeters (42.9 to 50.0 inches); grayish brown (2.5Y 5/2) and yellowish brown (10YR 5/4) silty clay loam; 27 percent clay; 3 percent strong brown (7.5YR 5/6) fine distinct and 3 percent strong brown (7.5YR 5/8) fine distinct mottles; weak medium prismatic, and weak medium subangular blocky structure; friable; fragments; gradual smooth boundary. Lab sample # 40A39081
C—127 to 152 centimeters (50.0 to 59.8 inches); grayish brown (2.5Y 5/2) and yellowish brown (10YR 5/6) and brown (7.5YR 4/4) silt loam; 24 percent clay; massive; friable; fragments. Lab sample # 40A39082