IDENTIFIERS
Current Taxon Name (Soil Name):
Headwaters
OSD
Series Extent
User Site ID:
S2007MT031001
User Pedon ID:
S07MT031001
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
08N0151
NCSS Pedon Lab Data NASIS Record ID -
19612
Print Date:
11/21/2024
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:
45.8026657
Std. Longitude:
-111.5863037
Datum:
WGS84
Map Unit:
20C—Headwaters loam, 2 to 8 percent slopes
State:
Montana
County:
MT031—Gallatin
MLRA:
44B—Central Rocky Mountain Valleys
Non-MLRA Soil Survey Area:
MT622—Gallatin County Area, Montana
7.5 Minute USGS Quad:
45111-G5—Three Forks SE, Montana
PEDON
Describers Name:
Tony Rolfes
Current Taxonomic Class:
Fine-loamy, mixed, superactive, frigid Aridic Calciustolls
Current Taxon Kind:
series
Pedon Purpose:
research site
Pedon Record Orgin:
NASIS
Pedon #:
1
Sampled As Information:
Soil Name -
Headwaters
Taxonomic Class -
Fine-loamy, mixed, superactive, frigid Aridic Calciustolls
PSC -
25 to 100 cm.
Classificaton Date -
5/2/2007
Soil Taxonomic Edition -
tenth edition
Moisture Class -
ustic
Moisture SUBClass -
aridic (torric)
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Drainage Class:
well
Flooding:
none flooding
Ponding:
none ponding
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
5/2/2007 (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
2
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—
—
—
—
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—
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808
Table Mountain
SCAN
Ap—0 to 16 centimeters (0.0 to 6.3 inches);, dark brown (10YR 3/3), moist; loam; 20 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; soft, very friable, moderately sticky, slightly plastic; 3.0 very fine roots throughout; 8.0 very fine irregular and 8.0 fine irregular pores; 35 percent coarse spherical carbonate masses throughout; 2 percent by volume nonflat indurated 2-40-75 millimeter mixed fragments; strong effervescence; moderately alkaline, pH 7.9, pH meter; clear wavy boundary. Lab sample # 08N01020; moist when described; observed in pit, small
Bk1—16 to 52 centimeters (6.3 to 20.5 inches);, brown (10YR 5/3), moist; silt loam; 27 percent clay; weak medium subangular blocky, and moderate medium subangular blocky structure; soft, friable, moderately sticky, moderately plastic; 3.0 very fine roots throughout; 8.0 very fine tubular and 8.0 very fine irregular and 8.0 fine tubular and 8.0 fine irregular pores; 10 percent medium spherical carbonate masses throughout; fragments; strong effervescence; moderately alkaline, pH 8.0, pH meter; gradual wavy boundary. Lab sample # 08N01021; moist when described; observed in pit, small
Bk2—52 to 86 centimeters (20.5 to 33.9 inches);, light yellowish brown (2.5Y 6/4), moist; silt loam; 26 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 0.8 very fine roots throughout; 8.0 very fine irregular and 8.0 very fine tubular and 8.0 fine tubular and 8.0 fine irregular pores; 10 percent medium spherical carbonate masses throughout and 25 percent medium cylindrical gypsum masses throughout and 25 percent medium threadlike gypsum masses throughout; fragments; violent effervescence; moderately alkaline, pH 8.2, pH meter; clear wavy boundary. Lab sample # 08N01022; moist when described; observed in pit, small
Bky—86 to 100 centimeters (33.9 to 39.4 inches);, light yellowish brown (2.5Y 6/4), moist; silt loam; 20 percent clay; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine irregular and 3.0 very fine tubular and 3.0 fine tubular and 3.0 fine irregular pores; 10 percent medium cylindrical gypsum masses throughout and 10 percent medium threadlike gypsum masses throughout; 1 percent by volume nonflat indurated 2-40-75 millimeter mixed fragments; slight effervescence; moderately alkaline, pH 7.9, pH meter; gradual wavy boundary. Lab sample # 08N01023; moist when described; observed in pit, small
By—100 to 150 centimeters (39.4 to 59.1 inches);, light yellowish brown (2.5Y 6/3), moist; fine sandy loam; 16 percent clay; moderate fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 0.8 very fine irregular and 0.8 very fine tubular pores; 1 percent by volume nonflat indurated 2-40-75 millimeter mixed fragments; noneffervescent; moderately alkaline, pH 7.9, pH meter. Lab sample # 08N01024; slightly moist when described; observed in pit, small