IDENTIFIERS
Current Taxon Name (Soil Name):
MARSHALL
OSD
Series Extent
User Site ID:
S1963IA029002
User Pedon ID:
S1963IA029002
Vegetation Plot ID:
S1963IA029002
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
40A1493
NCSS Pedon Lab Data NASIS Record ID -
35101
Print Date:
11/23/2024
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:
41.4227791
Std. Longitude:
-95.0869446
Datum:
WGS84
Township:
77N
Range:
37W
Section:
34
PLSS Details:
829 feet S of road center and 500 feet E of the NW corner of the NW 1/4, SE 1/4
Location Description:
approximately 3 miles NW of Atlantic, IA.
State:
Iowa
County:
IA029—Cass
MLRA:
107—Iowa and Missouri Deep Loess Hills
Non-MLRA Soil Survey Area:
IA029—Cass County, Iowa
PEDON
Describers Name:
R.I. Dideriksen and W.M Jury
Current Taxonomic Class:
Fine-silty, mixed, mesic Typic Hapludolls
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
2
Correlated Information:
Soil Name -
MARSHALL
PSC -
25 to 100 cm.
Classificaton Date -
7/16/2007
Sampled As Information:
Soil Name -
Marshall
Classificaton Date -
10/1/1963
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landform:
hillside
Geomorphic Component Hills:
interfluve
Slope Position:
drainageway
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
10/1/1963 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
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
TRIFO
Trifolium
clover
—
—
—
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
3
—
—
—
—
270
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 18 centimeters (0.0 to 7.1 inches); black (10YR 2/1) and very dark brown (10YR 2/2) rubbed, dark gray (10YR 4/1) and grayish brown (10YR 5/2), dry; silty clay loam; weak medium subangular blocky parts to weak fine granular structure; friable; 1 percent very dark grayish brown (10YR 3/2) worm casts; fragments; moderately acid, pH 5.8, unspecified; clear smooth boundary. Lab sample # 40A11650. common fine and medium root channels.
A12—18 to 33 centimeters (7.1 to 13.0 inches); very dark brown (10YR 2/2) rubbed and very dark grayish brown (10YR 3/2) rubbed, grayish brown (10YR 5/2), dry; silty clay loam; weak fine granular, and weak fine subangular blocky structure; friable; 1 percent very dark grayish brown (10YR 3/2) worm casts; fragments; moderately acid, pH 5.8, unspecified; gradual smooth boundary. Lab sample # 40A11651. common fine and medium root channels.
A3—33 to 45 centimeters (13.0 to 17.7 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2) and pale brown (10YR 6/3), dry; silty clay loam; weak fine subangular blocky structure; friable; 3.0 fine tubular pores; 1 percent brown (10YR 4/3) worm casts; fragments; moderately acid, pH 5.8, unspecified; clear wavy boundary. Lab sample # 40A11652. some medium root channels; few peds and pore fills of brown (10YR 4/3).
B21—45 to 65 centimeters (17.7 to 25.6 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silty clay loam; weak and moderate fine subangular blocky structure; friable; 3.0 fine tubular pores; 3 percent dark brown (10YR 3/3) oxide coats; fragments; moderately acid, pH 6.0, unspecified; gradual smooth boundary. Lab sample # 40A11653. color same when kneaded; some oriented thin discontinuous very dark grayish brown (10YR 3/2) stains on a few peds; few black (10YR 2/1) fills in fine vertical channels.
B22—65 to 85 centimeters (25.6 to 33.5 inches); brown (10YR 4/3) silty clay loam; 1 percent grayish brown (2.5Y 5/2) fine faint mottles; weak medium prismatic parts to moderate fine subangular blocky structure; friable; 10.0 fine tubular pores; faint clay films on faces of peds and 15 percent yellowish brown (10YR 5/6) oxide coats and 15 percent dark brown (10YR 3/3) oxide coats; fragments; moderately acid, pH 6.0, unspecified; clear smooth boundary. Lab sample # 40A11654. color same when kneaded.; discontinuous - phpvsfiid 191591; discontinuous - phpvsfiid 191591
B31—85 to 105 centimeters (33.5 to 41.3 inches); yellowish brown (10YR 5/4) and brown (10YR 4/3) silty clay loam; 10 percent grayish brown (2.5Y 5/2) fine and 10 percent yellowish brown (10YR 5/6) fine and 10 percent brown (7.5YR 4/4) fine mottles; weak medium prismatic parts to weak and moderate medium subangular blocky structure; friable; 10.0 fine tubular pores; faint clay films on vertical faces of peds and 15 percent dark brown (10YR 3/3) oxide coats and 15 percent yellowish brown (10YR 5/6) oxide coats; fragments; slightly acid, pH 6.2, unspecified; gradual smooth boundary. Lab sample # 40A11655. discontinuous - phpvsfiid 175012; discontinuous - phpvsfiid 175012
B32—105 to 120 centimeters (41.3 to 47.2 inches); yellowish brown (10YR 5/4) and grayish brown (2.5Y 5/2) and brown (10YR 4/3) silty clay loam; 10 percent yellowish brown (10YR 5/6) fine and 10 percent brown (7.5YR 4/4) fine mottles; weak medium prismatic parts to weak medium subangular blocky structure; friable; 10.0 fine and medium tubular pores; 3 percent black (10YR 2/1) oxide coats; fragments; slightly acid, pH 6.4, unspecified; gradual smooth boundary. Lab sample # 40A11656. few thin discontinuous films on some vertical faces (may be clay); slight increase in grayish brown color in ped interiors.
B33—120 to 148 centimeters (47.2 to 58.3 inches); yellowish brown (10YR 5/4) and brown (10YR 4/3) and olive gray (5Y 5/2) silty clay loam, silt loam; 10 percent yellowish brown (10YR 5/6) fine and 10 percent brown (7.5YR 4/4) fine mottles; weak medium and coarse prismatic parts to weak medium subangular blocky structure; firm; 10.0 fine and medium tubular pores; 3 percent faint silt coats on vertical faces of peds and 3 percent black (10YR 2/1) oxide coats; fragments; neutral, pH 6.6, unspecified; diffuse smooth boundary. Lab sample # 40A11657
C1—148 to 173 centimeters (58.3 to 68.1 inches); yellowish brown (10YR 5/4) and yellowish brown (10YR 5/6) and olive gray (5Y 5/2) silt loam; massive; friable; 10.0 very fine and fine tubular pores; 15 percent faint silt coats on vertical faces of peds and 15 percent black (10YR 2/1) oxide coats and 15 percent dark brown (10YR 3/3) oxide coats; fragments; neutral, pH 6.8, unspecified; clear smooth boundary. Lab sample # 40A11658. some vertical cleavage.
C2—173 to 183 centimeters (68.1 to 72.0 inches); brown (7.5YR 4/4) and strong brown (7.5YR 5/6) and olive gray (5Y 5/2) silt loam; massive; friable; 10.0 very fine and fine tubular pores; 15 percent faint silt coats on vertical faces of peds and 37 percent dark brown (10YR 3/3) oxide coats and 37 percent black (10YR 2/1) oxide coats; fragments; neutral, pH 6.8, unspecified; clear smooth boundary. Lab sample # 40A11659. some vertical cleavage.
C3—183 to 193 centimeters (72.0 to 76.0 inches); dark yellowish brown (10YR 4/4) and yellowish brown (10YR 5/6) and olive gray (5Y 5/2) silt loam; massive; friable; 37 percent dark brown (10YR 3/3) oxide coats and 37 percent black (10YR 2/1) oxide coats; fragments; neutral, pH 7.0, unspecified. Lab sample # 40A11660