IDENTIFIERS
Current Taxon Name (Soil Name):
Jameston
OSD
Series Extent
User Site ID:
M74IA089_228
User Pedon ID:
S1974IA089228
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
ISU2015
Lab Pedon # -
X45-797-2
NCSS Pedon Lab Data NASIS Record ID -
74632
Print Date:
2/16/2025
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:
43.4094582
Std. Longitude:
-92.3557739
Datum:
WGS84
Township:
99N
Range:
13W
Section:
11
PLSS Details:
840 feet north and 73 feet east of the southeast corner of NW1/4
Country:
US—United States
State:
Iowa
County:
IA089—Howard
MLRA:
104—Eastern Iowa and Minnesota Till Prairies
Regional Office:
NC—North Central
MLRA Soil Survey Area:
NC-WAV—Waverly, Iowa
Non-MLRA Soil Survey Area:
IA089—Howard County, Iowa
7.5 Minute USGS Quad:
43092-D3—Lime Springs, Iowa
PEDON
Describers Name:
Unknown
Current Taxonomic Class:
Fine-loamy, mixed, superactive, mesic Typic Argiaquolls
Current Taxon Kind:
family
Pedon Type:
OSD pedon
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
PedonPC
Correlated Information:
Soil Name -
Jameston (flagged as OSD)
Classificaton Date -
8/17/2010
Classifier -
Unknown
Moisture Class -
aquic
Sampled As Information:
Soil Name -
Jameston (flagged as OSD)
Taxonomic Class -
Fine-loamy, mixed, mesic Typic Argiaquolls
Taxon Kind -
series
Classificaton Date -
4/8/2010
Classifier -
Unknown
Dynamic Soil Properties:
Erosion Class -
0
Pedoderm Loose Cover Indicator -
no
Hydric:
no
Certification Status:
not certified
QC Status:
not reviewed
QA Status:
not reviewed
SITE
Parent Material:
Iowan Erosion Surface, loamy sediments over Pre-Illinoisan glacial till
Landscape:
2 upland
Landform:
1 drainageway
Slope Complexity:
simple
Slope Shape Across:
concave
Slope Shape Down:
linear
Drainage Class:
poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
4/8/2010 (actual site observation date)
Surface Cover Properties:
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
argillic horizon
—
—-
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
—
—
—
—
90
—
—
—
—
—
—
—
—
—
—
—
—
—
—
A1—0 to 20 centimeters (0.0 to 7.9 inches); N 2/1 (N 2/1) mucky silty clay loam; moderate fine granular structure; friable; fragments; neutral, pH 6.7, pH meter; clear smooth boundary. Lab sample # ISU02096; moist when described; observed in push tube
A2—20 to 36 centimeters (7.9 to 14.2 inches); N 2/1 (N 2/1) silty clay loam; moderate fine granular structure; friable; fragments; neutral, pH 6.8, pH meter; clear smooth boundary. Lab sample # ISU02097
AB—36 to 46 centimeters (14.2 to 18.1 inches); black (10YR 2/1) silty clay loam; weak fine subangular blocky structure; friable; fragments; neutral, pH 7.3, pH meter; clear smooth boundary. Lab sample # ISU02098
Btg1—46 to 56 centimeters (18.1 to 22.0 inches); dark olive gray (5Y 3/2) silty clay loam; weak fine subangular blocky structure; firm; 1 percent fine distinct irregular weakly coherent cemented brown (7.5YR 4/4), moist, masses of oxidized iron throughout; fragments; slightly alkaline, pH 7.4, pH meter; abrupt smooth boundary. Lab sample # ISU02099
2Btg2—56 to 64 centimeters (22.0 to 25.2 inches); 60 percent dark grayish brown (2.5Y 4/2) and 40 percent olive brown (2.5Y 4/4) loam; weak fine subangular blocky structure; firm; 35 percent distinct dark gray (5Y 4/1), moist, clay films on all faces of peds; 1 percent fine prominent irregular weakly coherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron throughout; fragments; slightly alkaline, pH 7.6, pH meter; clear smooth boundary. Lab sample # ISU02100. discontinuous - phpvsfiid 1325134; discontinuous - phpvsfiid 1325134
2Btg3—64 to 86 centimeters (25.2 to 33.9 inches); 60 percent yellowish brown (10YR 5/6) and 40 percent gray (5Y 5/1) clay loam; weak medium prismatic parts to weak medium subangular blocky structure; firm; 15 percent distinct dark gray (5Y 4/1), moist, clay films on surfaces along root channels and 30 percent faint gray (5Y 5/1) clay films on vertical faces of peds and 40 percent distinct dark gray (5Y 4/1), moist, clay films on vertical faces of peds; fragments; slightly alkaline, pH 7.8, pH meter; gradual smooth boundary. Lab sample # ISU02101, ISU02102. discontinuous - phpvsfiid 1325137; discontinuous - phpvsfiid 1325138; discontinuous - phpvsfiid 1325139; discontinuous - phpvsfiid 1325137; discontinuous - phpvsfiid 1325138; discontinuous - phpvsfiid 1325139
2Btg4—86 to 107 centimeters (33.9 to 42.1 inches); 60 percent gray (5Y 5/1) and 40 percent yellowish brown (10YR 5/6) clay loam; moderate medium prismatic parts to weak medium subangular blocky structure; very firm; 10 percent distinct dark gray (5Y 4/1), moist, clay films on surfaces along root channels and 15 percent distinct gray (5Y 5/1), dry, silt coats on surfaces along pores and 15 percent distinct dark gray (5Y 4/1), moist, clay films on all faces of peds and 60 percent distinct gray (5Y 5/1), moist, clay films on vertical faces of peds; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.7, pH meter; clear wavy boundary. Lab sample # ISU02103. continuous - phpvsfiid 1325141; discontinuous - phpvsfiid 1325140; discontinuous - phpvsfiid 1325142; discontinuous - phpvsfiid 1325143; continuous - phpvsfiid 1325141; discontinuous - phpvsfiid 1325140; discontinuous - phpvsfiid 1325142; discontinuous - phpvsfiid 1325143
2Btg5—107 to 135 centimeters (42.1 to 53.1 inches); 60 percent gray (5Y 5/1) and 40 percent yellowish brown (10YR 5/6) clay loam; weak coarse prismatic parts to weak coarse subangular blocky structure; very firm; 15 percent prominent very dark gray (10YR 3/1), moist, clay films on surfaces along pores and 15 percent prominent very dark gray (10YR 3/1), moist, clay films on surfaces along root channels; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH meter; gradual smooth boundary. Lab sample # ISU02104, ISU02105. discontinuous - phpvsfiid 1325135; discontinuous - phpvsfiid 1325136; discontinuous - phpvsfiid 1325135; discontinuous - phpvsfiid 1325136
2Cg1—135 to 168 centimeters (53.1 to 66.1 inches); 60 percent dark yellowish brown (10YR 4/4) and 40 percent gray (5Y 6/1) clay loam; structureless massive; very firm; 1 percent fine prominent irregular moderately coherent cemented 5YR 4/8 (5YR 4/8), moist, masses of oxidized iron throughout and 1 percent fine prominent spherical strongly coherent cemented dark reddish brown (5YR 2/2), moist, iron-manganese concretions throughout; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.3, pH meter; diffuse smooth boundary.
2Cg2—168 to 208 centimeters (66.1 to 81.9 inches); 60 percent N 5/1 (N 5/1) and 40 percent dark yellowish brown (10YR 4/4) clay loam; structureless massive; very firm; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.3, pH meter.