IDENTIFIERS
Current Taxon Name (Soil Name):
POST
OSD
Series Extent
User Site ID:
S1984MT047007
User Pedon ID:
84MT047007
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
85P0360
NCSS Pedon Lab Data NASIS Record ID -
56076
Print Date:
12/17/2024
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:
47.4696045
Std. Longitude:
-114.1315231
Datum:
WGS84
Township:
20N
Range:
20W
Section:
27
PLSS Details:
600 feet south and 1980 feet east of the northwest corner
State:
Montana
County:
MT047—Lake
MLRA:
44A—Northern Rocky Mountain Valleys
Non-MLRA Soil Survey Area:
MT629—Lake County Area, Montana
PEDON
Current Taxonomic Class:
Very-fine, illitic, frigid Typic Natrixerolls
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
7
Correlated Information:
Soil Name -
POST
PSC -
41 to 74 cm.
Classificaton Date -
8/2/2004
Sampled As Information:
Soil Name -
Post
Taxonomic Class -
Very-fine, illitic, frigid Typic Natrixeroll
Taxon Kind -
series
Classificaton Date -
8/19/1984
Moisture Class -
xeric
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
lacustrine deposits
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
8/19/1984 (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
1
—
—
930
—
315
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 25 centimeters (0.0 to 9.8 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; silt loam; 24 percent clay; weak fine granular structure; soft, very friable; 5 percent by volume 75-?-250 millimeter unspecified fragments and 5 percent by volume 2-?-75 millimeter unspecified fragments; noneffervescent; neutral, pH 6.6, bromthymol blue; clear smooth boundary.
AB—25 to 41 centimeters (9.8 to 16.1 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; silt loam; 24 percent clay; moderate medium subangular blocky structure; soft, very friable; 5 percent by volume 2-?-75 millimeter unspecified fragments; noneffervescent; neutral, pH 7.0, phenol red; clear smooth boundary.
Bt—41 to 74 centimeters (16.1 to 29.1 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; clay; 60 percent clay; strong medium angular blocky structure; very hard, very firm; 3 percent by volume 75-?-250 millimeter unspecified fragments and 10 percent by volume 2-?-75 millimeter unspecified fragments; noneffervescent; slightly alkaline, pH 7.8, phenol red; clear wavy boundary. Lab sample # 85P01724
Bk1—74 to 107 centimeters (29.1 to 42.1 inches); brown (10YR 4/3), brown (10YR 5/3), moist; silty clay loam; 45 percent clay; strong medium subangular blocky structure; very hard, very firm; 10 percent by volume 2-?-75 millimeter unspecified fragments; strong effervescence; very strongly alkaline, pH 9.2, thymol-blue; clear smooth boundary. Lab sample # 85P01725
Bk2—107 to 152 centimeters (42.1 to 59.8 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; silty clay loam; 40 percent clay; massive; hard, firm; 10 percent by volume 2-?-75 millimeter unspecified fragments; slight effervescence; very strongly alkaline, pH 9.2, thymol-blue. Lab sample # 85P01726