IDENTIFIERS
Current Taxon Name (Soil Name):
Armstrong
OSD
Series Extent
User Site ID:
1982MO079008
User Pedon ID:
1982MO079008
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M8207908
NCSS Pedon Lab Data NASIS Record ID -
31172
Print Date:
11/12/2024
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:
40.0069427
Std. Longitude:
-93.3686142
Datum:
WGS84
Township:
T60N
Range:
R22
Section:
21
PLSS Details:
1950 feet west and 1500 feet south of the NE corner of sec. 21, T60N R22W
Location Description:
1950 feet west and 1500 feet south of the NE corner of sec. 21, T60N, R22W
Map Unit:
30036—Armstrong loam, 5 to 9 percent slopes
State:
Missouri
County:
MO079—Grundy
MLRA:
109—Iowa and Missouri Heavy Till Plain
Non-MLRA Soil Survey Area:
MO079—Grundy County, Missouri
7.5 Minute USGS Quad:
40093-A3—Lindley, Missouri
PEDON
Current Taxonomic Class:
Fine, smectitic, mesic Aquertic Hapludalfs
Pedon Type:
TUD pedon
Pedon Purpose:
full pedon description
Pedon Record Orgin:
NASIS
Correlated Information:
Soil Name -
Armstrong
PSC -
20 to 70 cm.
Classificaton Date -
4/12/2012
Soil Taxonomic Edition -
twelfth edition
Moisture Subclass -
udic
Sampled As Information:
Soil Name -
Armstrong
Taxonomic Class -
Fine, smectitic, mesic Aquertic Hapludalfs
PSC -
20 to 70 cm.
Classificaton Date -
4/17/2003
Soil Taxonomic Edition -
twelfth edition
Moisture SUBClass -
udic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
loess
Drainage Class:
somewhat poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
4/17/2003 (entry creation 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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Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; loam; weak fine granular structure; friable; 6.0 very fine and fine roots; fragments; moderately acid, pH 5.8, pH meter; abrupt smooth boundary. Lab sample # MU030745; moist when described;
E—20 to 28 centimeters (7.9 to 11.0 inches); 85 percent brown (10YR 4/3) and 15 percent very dark grayish brown (10YR 3/2) loam; weak fine granular structure; friable; 6.0 very fine and fine roots; fragments; strongly acid, pH 5.5, pH meter; clear smooth boundary. Lab sample # MU030746; moist when described;
Bt1—28 to 41 centimeters (11.0 to 16.1 inches); dark yellowish brown (10YR 4/4) loam; weak fine subangular blocky structure; firm; 3.0 very fine and fine roots; silt coats on all faces of peds and 30 percent distinct clay films; 10 percent fine prominent masses of oxidized iron; fragments; strongly acid, pH 5.3, pH meter; clear smooth boundary. Lab sample # MU030747; moist when described;. weak stone line at the base of the horizon;
2Bt2—41 to 56 centimeters (16.1 to 22.0 inches); brown (7.5YR 4/4) clay loam; moderate fine angular blocky structure; firm; 3.0 very fine and fine roots; 30 percent distinct clay films; 1 percent fine black (10YR 2/1) iron-manganese masses and 1 percent fine black (10YR 2/1) iron-manganese concretions and 10 percent fine prominent red (2.5YR 4/6) masses of oxidized iron and 10 percent fine prominent grayish brown (10YR 5/2) clay depletions; fragments; strongly acid, pH 5.1, pH meter; gradual smooth boundary. Lab sample # MU030748; moist when described;. few fine pebbles;
2Bt3—56 to 89 centimeters (22.0 to 35.0 inches); yellowish brown (10YR 5/6) clay loam; weak fine subangular blocky structure; firm; 0.5 very fine roots; 30 percent distinct clay films; 1 percent fine black (10YR 2/1) iron-manganese masses and 1 percent fine black (10YR 2/1) iron-manganese concretions and 10 percent fine distinct brown (10YR 5/3) clay depletions and 10 percent fine distinct red (2.5YR 4/6) masses of oxidized iron; fragments; moderately acid, pH 6.0, pH meter; gradual smooth boundary. Lab sample # MU030749; moist when described;. few fine pebbles;
2Bt4—89 to 107 centimeters (35.0 to 42.1 inches); strong brown (7.5YR 5/8) clay loam; weak fine subangular blocky structure; firm; 0.5 very fine roots; 10 percent faint clay films; 10 percent fine prominent light brownish gray (2.5Y 6/2) clay depletions and 10 percent fine prominent yellowish brown (10YR 5/4) masses of oxidized iron and 10 percent fine black (10YR 2/1) iron-manganese masses and 10 percent fine black (10YR 2/1) iron-manganese concretions; fragments; slightly acid, pH 6.4, pH meter; clear smooth boundary. Lab sample # MU030750; moist when described;. few fine and medium pebbles;
2C—107 to 152 centimeters (42.1 to 59.8 inches); strong brown (7.5YR 5/6) clay loam; massive; firm; 10 percent black (10YR 2/1) iron-manganese masses and 10 percent black (10YR 2/1) iron-manganese concretions and 25 percent medium prominent light brownish gray (2.5Y 6/2) clay depletions; fragments; slightly acid, pH 6.5, pH meter. Lab sample # MU030751; moist when described;. few fine and medium pebbles;