IDENTIFIERS
Current Taxon Name (Soil Name):
Dunham
OSD
Series Extent
User Site ID:
03IL043006a
User Pedon ID:
03IL043006a
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
03N0771
NCSS Pedon Lab Data NASIS Record ID -
16180
Print Date:
2/17/2025
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:
41.9727778
Std. Longitude:
-88.2486111
Datum:
WGS84
Township:
40N
Range:
9E
Section:
7
PLSS Details:
NE 1/4
Location Description:
Stearns Road Hydric North Bore hole. Inclusion of Harpster (thin surface) in a Dunham map unit.
State:
Illinois
County:
IL043—DuPage
MLRA:
110—Northern Illinois and Indiana Heavy Till Plain
7.5 Minute USGS Quad:
41088-H2—West Chicago, Illinois
PEDON
Describers Name:
M.W. Bramsedt
Current Taxonomic Class:
Fine-silty, mixed, superactive, mesic Typic Calciaquolls
Current Taxon Kind:
series
Pedon Type:
map unit inclusion
Pedon Record Orgin:
NASIS
Pedon #:
2
Correlated Information:
Soil Name -
Dunham
Classificaton Date -
5/13/2009
Soil Taxonomic Edition -
tenth edition
Sampled As Information:
Soil Name -
Harpster
Classificaton Date -
2/13/2003
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
2/13/2003 (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
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Apk1—0 to 10 centimeters (0.0 to 3.9 inches); black (N 2/), silty clay loam; moderate fine subangular blocky structure; friable; 21.0 very fine roots; fragments; positive to alpha-alpha dipyridyl; slight effervescence; moderately alkaline, pH 8.2; clear smooth boundary. Lab sample # 03N03866
Apk2—10 to 23 centimeters (3.9 to 9.1 inches); black (N 2/), silty clay loam; moderate fine and medium angular blocky structure; firm; 21.0 very fine roots; fragments; positive to alpha-alpha dipyridyl; slight effervescence; moderately alkaline, pH 8.2; abrupt smooth boundary. Lab sample # 03N03867
Bkg1—23 to 33 centimeters (9.1 to 13.0 inches); dark gray (2.5Y 4/1) silty clay loam; moderate fine and medium subangular blocky structure; friable; 3.0 very fine roots; 30 percent distinct black (N 2/), moist, organic stains on all faces of peds; 30 percent fine distinct light olive brown (2.5Y 5/4), moist, iron-manganese masses; fragments; positive to alpha-alpha dipyridyl; violent effervescence; moderately alkaline, pH 8.2; clear smooth boundary. Lab sample # 03N03868
Bkg2—33 to 43 centimeters (13.0 to 16.9 inches); dark gray (2.5Y 4/1) silty clay loam; moderate medium prismatic structure; friable; 3.0 very fine roots; 30 percent distinct black (N 2/), moist, organic stains on all faces of peds; 30 percent fine prominent yellowish brown (10YR 5/4), moist, and yellowish brown (10YR 5/6), moist, iron-manganese masses; fragments; positive to alpha-alpha dipyridyl; strong effervescence; moderately alkaline, pH 8.2; clear smooth boundary. Lab sample # 03N03869
Bg3—43 to 61 centimeters (16.9 to 24.0 inches); dark gray (2.5Y 4/1) silty clay loam; moderate medium prismatic structure; friable; 0.1 very fine roots; 30 percent distinct black (N 2/), moist, organic stains on all faces of peds; 75 percent fine and medium prominent yellowish brown (10YR 5/6), moist, iron-manganese masses; fragments; positive to alpha-alpha dipyridyl; slight effervescence; moderately alkaline, pH 8.2; clear smooth boundary. Lab sample # 03N03870
Bg4—61 to 81 centimeters (24.0 to 31.9 inches); gray (5Y 5/1) silty clay loam; moderate medium prismatic structure; friable; 0.1 very fine roots; 30 percent distinct black (N 2/), moist, organic stains on all faces of peds; 30 percent medium prominent yellowish brown (10YR 5/6), moist, iron-manganese masses; fragments; positive to alpha-alpha dipyridyl; slight effervescence; moderately alkaline, pH 8.2; clear smooth boundary. Lab sample # 03N03871
BCg—81 to 99 centimeters (31.9 to 39.0 inches); gray (5Y 5/1) silt loam; weak medium and coarse prismatic structure; friable; 0.1 very fine roots; 75 percent medium prominent yellowish brown (10YR 5/6), moist, iron-manganese masses; 2 percent by volume 2-?-75 millimeter unspecified fragments; positive to alpha-alpha dipyridyl; strong effervescence; moderately alkaline, pH 8.2; gradual smooth boundary. Lab sample # 03N03872
Cg1—99 to 147 centimeters (39.0 to 57.9 inches); gray (2.5Y 6/1) stratified stratified fine sandy loam to silt loam; massive; friable; 30 percent coarse prominent yellowish brown (10YR 5/6), moist, iron-manganese masses; 2 percent by volume 2-?-75 millimeter unspecified fragments; strong effervescence; moderately alkaline, pH 8.2; clear smooth boundary. Lab sample # 03N03873
2Cg2—147 to 213 centimeters (57.9 to 83.9 inches); 60 percent dark gray (N 4/), and 40 percent yellowish brown (10YR 5/4) silty clay loam; massive; very firm; 5 percent by volume 2-?-75 millimeter unspecified fragments; strong effervescence; moderately alkaline, pH 8.2. Lab sample # 03N03874