IDENTIFIERS
Current Taxon Name (Soil Name):
Darwin
OSD
Series Extent
User Site ID:
1989MO053014
User Pedon ID:
1989MO053014
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M8905314
NCSS Pedon Lab Data NASIS Record ID -
26923
Print Date:
5/20/2024
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:
38.9362778
Std. Longitude:
-92.5445250
Datum:
WGS84
Township:
T48N
Range:
R15W
Section:
10
PLSS Details:
2600' E and 1700' S of NW corner
Map Unit:
66079—Darwin silty clay, 0 to 2 percent slopes, occasionally flooded
State:
Missouri
County:
MO053—Cooper
MLRA:
112—Cherokee Prairies
Non-MLRA Soil Survey Area:
MO053—Cooper County, Missouri
7.5 Minute USGS Quad:
38092-H5—Rocheport, Missouri
PEDON
Describers Name:
John L. Baker, Greg Caldwell, David Skaer
Current Taxonomic Class:
Fine Vertic Haplaquolls
Current Taxon Kind:
series
Pedon Type:
classifies to current taxon name, full description
Pedon Purpose:
full pedon description
Pedon Record Orgin:
NASIS
Correlated Information:
Soil Name -
Darwin
PSC -
25 to 100 cm.
Classificaton Date -
12/8/2010
Sampled As Information:
Soil Name -
Darwin
Classificaton Date -
11/8/2004
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
clayey alluvium
Landscape:
alluvial plain
Landform:
flood plain
Runoff:
medium
Drainage Class:
poorly
Flooding:
frequent flooding
Ponding:
frequent ponding
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
11/8/2004 (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
mollic epipedon
cambic horizon
aquic conditions
0—25
25—114
25—152
—-
—-
—-
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
—
—
176.2
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 25 centimeters (0.0 to 9.8 inches); very dark gray (10YR 3/1) exterior silty clay; mottles; moderate very fine subangular blocky structure; firm; 0.8 very fine roots; fragments; slightly alkaline, pH 7.6; abrupt smooth boundary. Lab sample # MU012925; observed in pit, small
Bg1—25 to 51 centimeters (9.8 to 20.1 inches); dark gray (10YR 4/1) exterior silty clay; 1 percent reddish brown (5YR 5/4) fine prominent mottles; strong fine angular blocky structure; very firm; 0.8 very fine roots; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # MU012926; observed in pit, small
Bg2—51 to 81 centimeters (20.1 to 31.9 inches); dark grayish brown (2.5Y 4/2) exterior silty clay; 10 percent yellowish brown (10YR 5/4) fine prominent mottles; strong fine angular blocky structure; very firm; 0.8 very fine roots; 15 percent distinct slickensides (pedogenic); fragments; neutral, pH 7.0; gradual smooth boundary. Lab sample # MU012927; observed in pit, small
Bg3—81 to 114 centimeters (31.9 to 44.9 inches); 50 percent dark grayish brown (2.5Y 4/2) exterior and 50 percent dark gray (2.5Y 4/1) exterior silty clay; 10 percent yellowish brown (10YR 5/6) fine prominent mottles; strong fine angular blocky structure; very firm; 0.8 very fine roots; 15 percent distinct slickensides (pedogenic); fragments; neutral, pH 7.0; gradual smooth boundary. Lab sample # MU012928; observed in pit, small
Bg4—114 to 152 centimeters (44.9 to 59.8 inches); dark grayish brown (2.5Y 4/2) exterior silty clay loam; 10 percent yellowish brown (10YR 5/6) fine prominent and 10 percent grayish brown (2.5Y 5/2) fine faint mottles; moderate medium subangular blocky structure; firm; 0.8 very fine roots; fragments; slightly alkaline, pH 7.6. Lab sample # MU012929; observed in pit, small