IDENTIFIERS
Current Taxon Name (Soil Name):
Bucknell
OSD
Series Extent
User Site ID:
S1995IA135002
User Pedon ID:
S1995IA135002
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
95P0834
NCSS Pedon Lab Data NASIS Record ID -
67841
Print Date:
4/26/2025
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:
41.1116676
Std. Longitude:
-93.0516663
Datum:
WGS84
Township:
73N
Range:
19W
Section:
21
PLSS Details:
800 feet north and 400 feet west of the center
Location Description:
About 1 mile north of Weller.
State:
Iowa
County:
IA135—Monroe
MLRA:
109—Iowa and Missouri Heavy Till Plain
Regional Office:
NC—North Central
MLRA Soil Survey Area:
NC-GAL—Gallatin, Missouri
Non-MLRA Soil Survey Area:
IA135—Monroe County, Iowa
PEDON
Current Taxonomic Class:
Fine, montmorillonitic, mesic Vertic Epiaqualfs
Pedon Record Orgin:
NASIS
Pedon #:
2
Sampled As Information:
Soil Name -
Bucknell
Taxonomic Class -
Fine, montmorillonitic, mesic Vertic Epiaqualfs
Classificaton Date -
6/1/1995
Moisture Class -
aquic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
subglacial till
Landform:
upland slope
Slope Shape Down:
convex
Drainage Class:
somewhat poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
6/1/1995 (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
12
—
—
284
—
270
838
—
—
10.6
—
—
—
—
—
—
—
—
—
—
Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark grayish brown (10YR 4/2) interior and very dark gray (10YR 3/1) and very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silty clay loam; weak medium subangular blocky, and moderate fine platy, and moderate fine granular structure; friable; thin light gray (10YR 7/1), moist, silt coats; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # 95P05319. discontinuous - phpvsfiid 329788; discontinuous - phpvsfiid 329788
BE—18 to 25 centimeters (7.1 to 9.8 inches); dark grayish brown (2.5Y 4/2) clay; moderate very fine and fine subangular blocky structure; firm; thin light gray (10YR 7/1), moist, silt coats; 10 percent fine distinct yellowish brown (10YR 5/6), moist, iron-manganese masses; fragments; very strongly acid, pH 4.8; gradual smooth boundary. Lab sample # 95P05320. discontinuous - phpvsfiid 329789; discontinuous - phpvsfiid 329789
Btg1—25 to 46 centimeters (9.8 to 18.1 inches); dark gray (10YR 4/1) clay; moderate fine subangular blocky structure; firm; thin light gray (10YR 7/1), moist, silt coats and thin very dark gray (10YR 3/1), moist, clay films; 30 percent fine distinct yellowish brown (10YR 5/6), moist, iron-manganese masses; fragments; very strongly acid, pH 4.8; gradual smooth boundary. Lab sample # 95P05321. discontinuous - phpvsfiid 329790; discontinuous - phpvsfiid 329791; discontinuous - phpvsfiid 329790; discontinuous - phpvsfiid 329791
Bt2—46 to 69 centimeters (18.1 to 27.2 inches); yellowish brown (10YR 5/8) and gray (10YR 5/1) and yellowish brown (10YR 5/4) clay; weak medium prismatic, and moderate fine and medium subangular blocky structure; firm; thin dark grayish brown (10YR 4/2), moist, clay films and thin light gray (10YR 7/1), moist, silt coats; 10 percent by volume 2-?-5 millimeter unspecified fragments; very strongly acid, pH 4.8; gradual smooth boundary. Lab sample # 95P05322. discontinuous - phpvsfiid 329792; discontinuous - phpvsfiid 329793; discontinuous - phpvsfiid 329792; discontinuous - phpvsfiid 329793
Bt3—69 to 97 centimeters (27.2 to 38.2 inches); yellowish brown (10YR 5/8) and yellowish brown (10YR 5/6) and gray (10YR 5/1) clay loam; moderate medium prismatic, and moderate fine and medium subangular blocky structure; firm; thin dark grayish brown (10YR 4/2), moist, clay films; 10 percent by volume 2-?-5 millimeter unspecified fragments; strongly acid, pH 5.3; gradual smooth boundary. Lab sample # 95P05323. discontinuous - phpvsfiid 329794; discontinuous - phpvsfiid 329794
Bt4—97 to 109 centimeters (38.2 to 42.9 inches); light gray (5Y 7/2) and yellowish brown (10YR 5/6) clay loam; weak medium prismatic, and weak medium subangular blocky structure; firm; thin gray (10YR 5/1), moist, clay films; 10 percent by volume 2-?-5 millimeter unspecified fragments; moderately acid, pH 5.8; gradual smooth boundary. Lab sample # 95P05324. discontinuous - phpvsfiid 329795; discontinuous - phpvsfiid 329795
Bt5—109 to 132 centimeters (42.9 to 52.0 inches); yellowish brown (10YR 5/6) and light gray (5Y 7/2) clay loam; weak medium prismatic, and weak medium subangular blocky structure; firm; thin gray (10YR 5/1), moist, clay films; 10 percent by volume 2-?-5 millimeter unspecified fragments; moderately acid, pH 5.8; gradual smooth boundary. Lab sample # 95P05325. discontinuous - phpvsfiid 329796; discontinuous - phpvsfiid 329796
BC—132 to 165 centimeters (52.0 to 65.0 inches); yellowish brown (10YR 5/6) and light gray (5Y 7/1) clay loam; weak coarse prismatic structure; firm; 10 percent by volume 2-?-5 millimeter unspecified fragments; moderately acid, pH 5.8. Lab sample # 95P05326
C1—165 to 198 centimeters (65.0 to 78.0 inches); pressure faces; fragments. Lab sample # 95P05327. discontinuous - phpvsfiid 329802; discontinuous - phpvsfiid 329802
C2—198 to 224 centimeters (78.0 to 88.2 inches); fragments. Lab sample # 95P05328