IDENTIFIERS
Current Taxon Name (Soil Name):
Armstrong
OSD
Series Extent
User Site ID:
1990MO001042
User Pedon ID:
1990MO001042
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M9000142
NCSS Pedon Lab Data NASIS Record ID -
29396
Print Date:
1/31/2025
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:
40.0983444
Std. Longitude:
-92.4589222
Datum:
WGS84
Township:
T61N
Range:
R14W
Section:
10
PLSS Details:
50 feet east and 1070 feet north of the southwest corner
Location Description:
Adair County: Located 120 ft E & 4200 ft S of the NW corner of S 10, T 61 N, R 14 W.
Country:
US—United States
State:
Missouri
County:
MO001—Adair
MLRA:
113—Central Claypan Areas
Non-MLRA Soil Survey Area:
MO001—Adair County, Missouri
7.5 Minute USGS Quad:
40092-A4—La Plata, Missouri
PEDON
Pedon Record Orgin:
PedonPC
Sampled As Information:
Soil Name -
Armstrong
Classificaton Date -
10/15/1990
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Drainage Class:
somewhat poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
10/15/1990 (actual site observation date)
Air Photo ID:
40092a4nw
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
40
—
—
273.4
—
236
—
—
—
—
—
—
—
—
—
—
—
—
—
—
A—0 to 15 centimeters (0.0 to 5.9 inches); very dark gray (10YR 3/1) interior, light brownish gray (10YR 6/2) interior, dry; silt loam; weak fine granular structure; friable; 3.0 very fine roots; 10.0 very fine pores; fragments; abrupt smooth boundary. Lab sample # MU036779
E—15 to 23 centimeters (5.9 to 9.1 inches); brown (10YR 5/3) interior silt loam; weak fine granular structure; friable; 3.0 very fine roots and 0.5 fine roots; 10.0 very fine and 0.5 fine pores; fragments; abrupt smooth boundary. Lab sample # MU036780
2Bt1—23 to 46 centimeters (9.1 to 18.1 inches); reddish brown (5YR 4/4) interior and brown (7.5YR 4/4) interior clay; strong fine angular blocky, and strong very fine angular blocky structure; hard, firm; 3.0 very fine roots; 70 percent prominent clay films on all faces of peds; 1 percent by volume 2-?-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # MU036781
2Bt2—46 to 69 centimeters (18.1 to 27.2 inches); brown (7.5YR 5/4) interior clay; strong medium angular blocky, and strong fine angular blocky structure; hard, firm; 0.5 very fine roots and 0.5 fine roots; 70 percent prominent clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented reddish brown (2.5YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix; 1 percent by volume 2-?-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # MU036782
2Bt3—69 to 97 centimeters (27.2 to 38.2 inches); yellowish brown (10YR 5/6) interior and brown (7.5YR 4/4) interior clay; weak medium angular blocky, and moderate medium prismatic structure; very hard, firm; 0.5 very fine roots; 35 percent prominent clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented pale brown (10YR 6/3), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark red (2.5YR 3/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume 2-?-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # MU036783
2Bt4—97 to 122 centimeters (38.2 to 48.0 inches); yellowish brown (10YR 5/6) interior clay loam; weak coarse prismatic structure; very hard, firm; 0.1 very fine roots; 35 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix; 1 percent by volume 2-?-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # MU036784
BC—122 to 152 centimeters (48.0 to 59.8 inches); yellowish brown (10YR 5/6) interior clay loam; strong fine angular blocky, and strong medium angular blocky structure; very hard, firm; 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; 1 percent by volume 2-?-75 millimeter unspecified fragments.