IDENTIFIERS
Current Taxon Name (Soil Name):
Backbone
OSD
Series Extent
User Site ID:
1979IA061008
User Pedon ID:
S1979IA061008
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
ISU2015
Lab Pedon # -
X61109C
NCSS Pedon Lab Data NASIS Record ID -
74819
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:
42.3813656
Std. Longitude:
-91.0298133
Datum:
WGS84
Township:
87 North
Range:
2 West
Section:
1
PLSS Details:
1110 feet east and 440 feet south of the northwest corner
State:
Iowa
County:
IA061—Dubuque
MLRA:
104—Eastern Iowa and Minnesota Till Prairies
Non-MLRA Soil Survey Area:
IA061—Dubuque County, Iowa
PEDON
Describers Name:
Robin Wisner
Current Taxonomic Class:
Coarse-loamy, mixed, superactive, mesic Mollic Hapludalfs
Current Taxon Kind:
series
Pedon Type:
TUD pedon
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
PedonPC
Correlated Information:
Soil Name -
Backbone
Classificaton Date -
7/5/2012
Classifier -
Robin Wisner
Moisture Class -
udic
Sampled As Information:
Soil Name -
Backbone
Taxon Kind -
series
Classificaton Date -
7/21/2011
Classifier -
Robin Wisner
Dynamic Soil Properties:
Erosion Class -
2
Pedoderm Loose Cover Indicator -
no
Hydric:
no
Certification Status:
not certified
QC Status:
not reviewed
QA Status:
not reviewed
SITE
Parent Material:
coarse-loamy eolian deposits over limestone
Landscape:
2 upland
Landform:
1 hillslope
Geomorphic Component Hills:
crest
Hill Slope Profile:
backslope
Slope Complexity:
simple
Slope Shape Across:
convex
Slope Shape Down:
convex
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
7/21/2011 (entry creation 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
lithic contact
—
—-
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
7
—
—
—
—
270
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; fine sandy loam; 81 percent sand; 13 percent silt; 6 percent clay; weak thin platy structure; very friable; fragments; slightly acid, pH 6.1; abrupt smooth boundary. Lab sample # ISU02545; moist when described; observed in push tube
Bw1—18 to 30 centimeters (7.1 to 11.8 inches); brown (10YR 4/3) fine sandy loam; 81 percent sand; 14 percent silt; 5 percent clay; weak fine subangular blocky structure; very friable; fragments; slightly acid, pH 6.1; clear smooth boundary. Lab sample # ISU02546
Bw2—30 to 56 centimeters (11.8 to 22.0 inches); dark yellowish brown (10YR 4/4) fine sandy loam; 83 percent sand; 13 percent silt; 5 percent clay; weak medium subangular blocky structure; very friable; 15 percent prominent light gray (10YR 7/2), dry, silt coats on all faces of peds; fragments; slightly acid, pH 6.1; abrupt wavy boundary. Lab sample # ISU02547. discontinuous - phpvsfiid 1361738; discontinuous - phpvsfiid 1361738
2Bt—56 to 66 centimeters (22.0 to 26.0 inches); dark yellowish brown (10YR 4/4) clay loam; 48 percent sand; 8 percent silt; 44 percent clay; moderate fine prismatic structure; firm; 15 percent faint brown (7.5YR 4/4), moist, clay films on vertical faces of peds; fragments; slightly acid, pH 6.4; abrupt wavy boundary. Lab sample # ISU02548. discontinuous - phpvsfiid 1361739; discontinuous - phpvsfiid 1361739
2R—66 to 67 centimeters (26.0 to 26.4 inches); fragments. hard fractured limestone