IDENTIFIERS
Current Taxon Name (Soil Name):
Santa Variant
OSD
Series Extent
User Site ID:
77-PNP-001
User Pedon ID:
77ID057034
Lab Information:
Certified Lab Pedon Description -
yes
Lab Source ID -
UIdaho
Lab Pedon # -
77-ID-2971
NCSS Pedon Lab Data NASIS Record ID -
87687
Print Date:
2/16/2025
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:
46.7794944
Std. Longitude:
-116.6192972
Datum:
WGS84
Township:
40N
Range:
2W
Section:
29
PLSS Details:
1300 feet east and 2600 feet south of the NW corner
Country:
US—United States
State:
Idaho
County:
ID057—Latah
MLRA:
43A—Northern Rocky Mountains
Regional Office:
NW—Northwest
MLRA Soil Survey Area:
NW-MOS—Moscow, Idaho
Non-MLRA Soil Survey Area:
ID057—Latah County, Idaho
7.5 Minute USGS Quad:
46116-G5—Deary, Idaho
PEDON
Describers Name:
Neil Peterson
Pedon Purpose:
research site
Pedon Record Orgin:
NASIS
Sampled As Information:
Soil Name -
Santa Variant
Classificaton Date -
4/28/1977
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
deep loess
Landscape:
plateau
Landform:
hill
Slope Position:
upper third
Slope Shape Across:
concave
Slope Shape Down:
concave
Drainage Class:
moderately well
Flooding:
none flooding
Ponding:
none ponding
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
4/28/1977 (actual site observation date)
Data Collector:
Neil Peterson
Surface Cover Properties:
Site Obs. Cover Kind 1 -
tree cover
Site Obs. Cover Kind 2 -
conifers
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
3
—
—
855
—
10
725
—
115
7.8
—
—
—
—
—
—
—
—
—
—
Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.; observed in pit, small
Oe—3 to 5 centimeters (1.2 to 2.0 inches); moderately decomposed plant material; fragments.; observed in pit, small
A1—5 to 18 centimeters (2.0 to 7.1 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; silt loam; weak fine subangular blocky parts to weak fine granular structure; soft, friable, slightly sticky, slightly plastic; many very fine roots and many medium roots and many fine roots and few coarse roots; many very fine tubular and many fine tubular pores; 20 percent fine mica flakes, unspecified; 1 percent by volume 2-?-75 millimeter charcoal fragments; neutral, pH 6.8, unspecified; clear wavy boundary. Lab sample # ID29711; observed in pit, small
A2—18 to 30 centimeters (7.1 to 11.8 inches); dark yellowish brown (10YR 3/4), light yellowish brown (10YR 6/4), dry; silt loam; weak fine subangular blocky parts to weak fine granular, and weak medium subangular blocky parts to weak fine granular structure; soft, friable, slightly sticky, slightly plastic; many very fine roots and many medium roots and many fine roots and few coarse roots; many very fine tubular and many fine tubular pores; 20 percent fine mica flakes, unspecified; 1 percent by volume 2-?-75 millimeter charcoal fragments; neutral, pH 6.6, unspecified; clear wavy boundary. Lab sample # ID29712; observed in pit, small
Bw1—30 to 45 centimeters (11.8 to 17.7 inches); dark yellowish brown (10YR 4/4), light yellowish brown (10YR 6/4), dry; silt loam; weak medium subangular blocky parts to moderate fine subangular blocky, and weak coarse subangular blocky parts to moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; many very fine roots and many medium roots and many fine roots and few coarse roots; many very fine tubular and many medium tubular and many fine tubular pores; 20 percent fine mica flakes, unspecified; fragments; slightly acid, pH 6.4, unspecified; clear wavy boundary. Lab sample # ID29713; observed in pit, small
Bw2—45 to 60 centimeters (17.7 to 23.6 inches); dark yellowish brown (10YR 4/4), pale brown (10YR 6/3), dry; silt; weak fine subangular blocky, and weak medium subangular blocky structure; slightly sticky, slightly plastic; many very fine roots and common medium roots and common fine roots and few coarse roots; many very fine tubular and common medium tubular pores; silt coats on all faces of peds; fragments; moderately acid, pH 5.8, unspecified; clear smooth boundary. Lab sample # ID29714; observed in pit, small
E—60 to 78 centimeters (23.6 to 30.7 inches); light brownish gray (10YR 6/2), very pale brown (10YR 8/2), dry; silt; massive; slightly hard, firm, slightly sticky, slightly plastic; common very fine roots and few medium roots and common fine roots; many very fine tubular and few fine tubular pores; fragments; moderately acid, pH 5.6, unspecified; abrupt smooth boundary. Lab sample # ID29715; observed in pit, small
Btxb1—78 to 98 centimeters (30.7 to 38.6 inches); dark yellowish brown (10YR 4/4), yellowish brown (10YR 5/4), dry; silty clay loam; strong coarse prismatic parts to moderate medium angular blocky structure; extremely hard, extremely firm, moderately sticky, moderately plastic; brittle; very fine roots between peds and medium roots between peds and fine roots between peds; many very fine tubular and many fine tubular pores; 10 percent prominent organic stains on vertical faces of peds and 30 percent prominent reddish brown (5YR 4/4), moist, clay films on all faces of peds; 1 percent fine spherical iron-manganese concretions in matrix; fragments; moderately acid, pH 5.8, unspecified; gradual wavy boundary. Lab sample # ID29716; observed in pit, small. very fine, fine and medium roots flattened and matted on vertical ped faces; E material speckled within matrix
Btxb2—98 to 115 centimeters (38.6 to 45.3 inches); dark yellowish brown (10YR 4/4), yellowish brown (10YR 5/4), dry; silt loam; strong coarse prismatic parts to moderate medium angular blocky structure; extremely hard, extremely firm, moderately sticky, moderately plastic; brittle; very fine roots between peds and medium roots between peds and fine roots between peds; many very fine tubular and many fine tubular pores; 10 percent prominent organic stains on vertical faces of peds and 30 percent prominent clay films on all faces of peds; 1 percent fine spherical iron-manganese concretions in matrix; fragments; slightly acid, pH 6.2, unspecified; clear smooth boundary. Lab sample # ID29717; observed in pit, small. very fine, fine and medium roots flattened and matted on vertical ped faces; E material speckled within matrix
Btxcb1—115 to 140 centimeters (45.3 to 55.1 inches); dark yellowish brown (10YR 4/4), yellowish brown (10YR 5/4), dry; silty clay loam; moderate coarse prismatic parts to moderate medium angular blocky structure; very hard, very firm, moderately sticky, moderately plastic; brittle; very fine roots between peds and fine roots between peds; common very fine tubular and common fine tubular pores; 10 percent prominent organic stains on vertical faces of peds and 30 percent prominent clay films on all faces of peds; 10 percent medium spherical iron-manganese concretions in matrix; fragments; slightly acid, pH 6.2, unspecified. Lab sample # ID29718; observed in pit, small. very fine, and fine roots flattened and matted on vertical ped faces
Btxcb2—140 to 168 centimeters (55.1 to 66.1 inches); dark yellowish brown (10YR 4/6), yellowish brown (10YR 5/6), dry; silty clay loam; weak coarse prismatic parts to strong medium angular blocky structure; very hard, very firm, moderately sticky, moderately plastic; brittle; very fine roots between peds and fine roots between peds; many very fine tubular and common medium tubular and many fine tubular pores; 10 percent prominent organic stains on vertical faces of peds and 30 percent prominent clay films on all faces of peds; 1 percent medium spherical iron-manganese concretions in matrix; fragments; slightly acid, pH 6.4, unspecified. Lab sample # ID29719; observed in pit, small. very fine, and fine roots flattened and matted on vertical ped faces