IDENTIFIERS
Current Taxon Name (Soil Name):
Sperry
OSD
Series Extent
User Site ID:
S1995IA101001
User Pedon ID:
S1995IA101001
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
95P0465
NCSS Pedon Lab Data NASIS Record ID -
67483
Print Date:
1/31/2025
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:
41.1450157
Std. Longitude:
-92.0243301
Datum:
WGS84
Township:
73N
Range:
10W
Section:
8
PLSS Details:
1480 feet south and 150 feet west of the northeast corner
Country:
US—United States
State:
Iowa
County:
IA101—Jefferson
MLRA:
108—Illinois and Iowa Deep Loess and Drift
Regional Office:
NC—North Central
MLRA Soil Survey Area:
NC-WAV—Waverly, Iowa
Non-MLRA Soil Survey Area:
IA101—Jefferson County, Iowa
PEDON
Describers Name:
JDH, FFR, TEF, JRW, JAL, TJO, LDC
Current Taxonomic Class:
Fine, smectitic, mesic Typic Argialbolls
Pedon Type:
classifies to current taxon name, full description
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
1
Correlated Information:
Soil Name -
Sperry
PSC -
46 to 96 cm.
Classificaton Date -
1/5/2016
Moisture Class -
udic
Sampled As Information:
Soil Name -
Sperry
Taxonomic Class -
Fine, montmorillonitic, mesic Typic Argialbolls
PSC -
46 to 96 cm.
Classificaton Date -
1/11/1989
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
loess derived from mixed
Landscape:
upland
Landform:
bench
Slope Shape Across:
convex
Slope Shape Down:
convex
Drainage Class:
very poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
1/11/1989 (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
1
—
—
—
—
864
—
—
11
—
—
—
—
—
—
—
—
—
—
Ap—0 to 25 centimeters (0.0 to 9.8 inches); very dark gray (10YR 3/1), dark gray (10YR 4/1), dry; silt loam; weak fine granular structure; friable; 3.0 roots; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 95P03475. 8 to 12 inches thick.
E—25 to 46 centimeters (9.8 to 18.1 inches); dark gray (10YR 4/1) silt loam; 3 percent dark yellowish brown (10YR 4/4) fine distinct mottles; weak fine subangular blocky structure; friable; very fine roots; 30 percent very dark gray (10YR 3/1) organic stains; 1 percent fine dark concretions; fragments; slightly acid, pH 6.3, hellige-truog; abrupt smooth boundary. Lab sample # 95P03476. 6 to 12 inches thick.
Btg1—46 to 56 centimeters (18.1 to 22.0 inches); dark gray (10YR 4/1) silty clay loam; 3 percent yellowish brown (10YR 5/4) fine distinct mottles; weak fine subangular blocky structure; 10 percent silt coats; fragments; clear smooth boundary. Lab sample # 95P03477. discontinuous - phpvsfiid 194457; discontinuous - phpvsfiid 194457
Btg2—56 to 76 centimeters (22.0 to 29.9 inches); dark gray (10YR 4/1) silty clay loam; dark yellowish brown (10YR 4/4) and 3 percent yellowish brown (10YR 5/4) fine distinct mottles; strong fine subangular blocky structure; firm; 3.0 very fine and fine roots; very dark gray (10YR 3/1) coats on faces of peds and prominent clay films; fragments; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # 95P03478. continuous - phpvsfiid 194462; continuous - phpvsfiid 194462
Btg3—76 to 89 centimeters (29.9 to 35.0 inches); gray (10YR 5/1) silty clay; yellowish brown (10YR 5/8) and 21 percent yellowish brown (10YR 5/6) fine and medium distinct mottles; moderate fine and medium subangular blocky structure; firm; 0.5 very fine roots; faint clay films and distinct clay films; fragments; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # 95P03479. continuous - phpvsfiid 194463; continuous - phpvsfiid 194464; continuous - phpvsfiid 194463; continuous - phpvsfiid 194464
Btg4—89 to 107 centimeters (35.0 to 42.1 inches); gray (5Y 5/1) silty clay loam; yellowish brown (10YR 5/8) and 21 percent yellowish brown (10YR 5/6) fine and medium prominent mottles; moderate medium subangular blocky structure; firm; faint clay films; fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # 95P03480. Combined thickness of the Btg horizons is 18 to 30 inches.; discontinuous - phpvsfiid 194465; discontinuous - phpvsfiid 194465
Btg5—107 to 132 centimeters (42.1 to 52.0 inches); light olive gray (5Y 6/2) and olive gray (5Y 5/2) silty clay loam; strong brown (7.5YR 5/8) and 3 percent strong brown (7.5YR 5/6) medium prominent mottles; weak medium prismatic parts to weak and moderate medium subangular blocky structure; friable; faint clay films and 10 percent very dark gray (10YR 3/1) clay films in root channels and/or pores; fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # 95P03481. 8 to 18 inches thick.; discontinuous - phpvsfiid 194466; discontinuous - phpvsfiid 194466
Btg6—132 to 147 centimeters (52.0 to 57.9 inches); light olive gray (5Y 6/2) and olive gray (5Y 5/2) silty clay loam; strong brown (7.5YR 5/8) and 3 percent strong brown (7.5YR 5/6) medium prominent mottles; massive; 10 percent very dark gray (10YR 3/1) clay films in root channels and/or pores; fragments; slightly acid, pH 6.3, hellige-truog. Lab sample # 95P03482
BCg—147 to 168 centimeters (57.9 to 66.1 inches); light olive gray (5Y 6/2) and olive gray (5Y 5/2) silty clay loam; strong brown (7.5YR 5/8) and 3 percent strong brown (7.5YR 5/6) medium prominent mottles; massive; 0.5 very fine pores; 10 percent strong brown (7.5YR 5/8) clay films in root channels and/or pores and 10 percent very dark gray (10YR 3/1) clay films in root channels and/or pores and 10 percent strong brown (7.5YR 5/6) clay films in root channels and/or pores; fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # 95P03483
Cg—168 to 203 centimeters (66.1 to 79.9 inches); olive gray (5Y 5/2) and light olive gray (5Y 6/2) and strong brown (7.5YR 5/8) silty clay loam; fragments. Lab sample # 95P03484