IDENTIFIERS
Current Taxon Name (Soil Name):
Driscoll
OSD
Series Extent
User Site ID:
S2000WA063004
User Pedon ID:
S2000WA063004
Lab Information:
Certified Lab Pedon Description -
no
Lab Pedon # -
01P0253
NCSS Pedon Lab Data NASIS Record ID -
13085
Print Date:
11/26/2024
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:
47.5388870
Std. Longitude:
-117.2180557
Datum:
WGS84
Township:
24 N
Range:
44 E
Section:
34
PLSS Details:
20 feet south and 50 feet west of the northeast corner
Location Description:
About .5 mile west of State Highway 27 on Palouse Highway, south of the road
Map Unit:
6140—Driscoll silt loam, 0 to 8 percent slopes
State:
Washington
County:
WA063—Spokane
MLRA:
9—Palouse and Nez Perce Prairies
Non-MLRA Soil Survey Area:
WA063—Spokane County, Washington
7.5 Minute USGS Quad:
47117-E2—Freeman, Washington
PEDON
Describers Name:
Sue Murphy
Current Taxonomic Class:
Fine, mixed, superactive, mesic Alfic Argixerolls
Current Taxon Kind:
series
Pedon Type:
taxadjunct to the series
Pedon Purpose:
full pedon description
Pedon Record Orgin:
NASIS
Correlated Information:
Soil Name -
Driscoll
PSC -
48 to 98 cm.
Classificaton Date -
2/10/2012
Moisture Class -
xeric
Moisture Subclass -
xeric
Sampled As Information:
Soil Name -
Driscoll
Classificaton Date -
9/27/2000
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
volcanic ash and/or loess over clayey loess
Landscape:
upland
Landform:
loess hill
Geomorphic Component Hills:
interfluve
Hill Slope Profile:
shoulder
Slope Position:
upper third
Slope Complexity:
simple
Slope Shape Across:
convex
Slope Shape Down:
linear
Drainage Class:
moderately well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
9/27/2000 (actual site observation date)
Surface Water Kind:
none observed
Plant Association Name:
Ponderosa pine/Common snowberry H.T.
Surface Cover Properties:
Site Obs. Cover Kind 1 -
grass/herbaceous cover
Site Obs. Cover Kind 2 -
other grass/herbaceous cover
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Current Weather -
sunny
Current Air Temp -
21
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
mollic epipedon
argillic horizon
0—36
48—165
—36—
—117—
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
—
—
774
—
280
559
—
100
8
—
—
9
—
—
—
—
—
—
—
Ap1—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (10YR 4/2) interior, very dark brown (10YR 2/2) crushed, moist; ashy silt loam; 16 percent clay; moderate fine granular structure; slightly hard, friable, nonsticky, slightly plastic; moderate permeability; low excavation difficulty; 3.0 very fine roots and 3.0 fine roots; 8.0 very fine low-continuity tubular and 8.0 fine low-continuity irregular pores; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary.; observed in pit, large or quarry
Ap2—8 to 20 centimeters (3.1 to 7.9 inches); dark grayish brown (10YR 4/2) interior, black (10YR 2/1) crushed, moist; ashy silt loam; 20 percent clay; weak fine subangular blocky parts to moderate thin platy structure; hard, friable, slightly sticky, slightly plastic; moderate permeability; low excavation difficulty; 3.0 very fine roots and 3.0 fine roots; 3.0 very fine low-continuity tubular and 3.0 fine low-continuity irregular pores; fragments; slightly acid, pH 6.4, hellige-truog; clear wavy boundary.; observed in pit, large or quarry
AB—20 to 36 centimeters (7.9 to 14.2 inches); grayish brown (10YR 5/2) interior, very dark grayish brown (10YR 3/2) crushed, moist; ashy silt loam; 20 percent clay; weak medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; moderate permeability; low excavation difficulty; 3.0 very fine roots and 3.0 fine roots; 3.0 very fine low-continuity tubular and 3.0 fine low-continuity irregular pores; fragments; slightly acid, pH 6.5, hellige-truog; abrupt wavy boundary.; observed in pit, large or quarry
2BE—36 to 48 centimeters (14.2 to 18.9 inches); 70 percent yellowish brown (10YR 5/4) interior and 30 percent light yellowish brown (10YR 6/4) interior, brown (10YR 4/3) crushed, moist; clay loam; 30 percent clay; strong fine subangular blocky structure; hard, firm, slightly sticky, moderately plastic; moderate permeability; low excavation difficulty; 0.8 very fine roots throughout and 0.8 fine roots throughout; 3.0 very fine moderate-continuity tubular pores; 15 percent faint clay films on all faces of peds and 40 percent distinct pale brown (10YR 6/3), moist, skeletans on all faces of peds; 2 percent by volume moderately coherent cemented 2-3-5 millimeter gneiss fragments; neutral, pH 6.8, hellige-truog; abrupt wavy boundary.; observed in pit, large or quarry
2Bt1—48 to 76 centimeters (18.9 to 29.9 inches); brown (7.5YR 5/4) interior, dark yellowish brown (10YR 3/4) crushed, moist; silty clay loam; 37 percent clay; strong coarse prismatic structure; rigid, slightly rigid, very sticky, very plastic; slow permeability; moderate excavation difficulty; 0.8 very fine roots throughout and 0.8 fine roots throughout; 3.0 very fine moderate-continuity tubular pores; 20 percent distinct skeletans on all faces of peds and 30 percent distinct clay films on all faces of peds; fragments; neutral, pH 6.9, hellige-truog; abrupt wavy boundary.; observed in pit, large or quarry
3Bt2—76 to 114 centimeters (29.9 to 44.9 inches); yellowish brown (10YR 5/4) interior, dark yellowish brown (10YR 3/4) crushed, moist; silty clay loam; 39 percent clay; strong coarse prismatic structure; rigid, slightly rigid, very sticky, very plastic; slow permeability; moderate excavation difficulty; 0.8 very fine roots between peds; 0.8 very fine moderate-continuity tubular pores; 10 percent prominent very dark brown (10YR 2/2), moist, organoargillans on vertical faces of peds and 15 percent distinct skeletans on all faces of peds and 100 percent faint dark yellowish brown (10YR 4/6), moist, clay films on all faces of peds; 5 percent medium prominent irregular noncoherent cemented iron-manganese masses with clear boundaries on faces of peds and 5 percent medium prominent spherical moderately coherent cemented iron-manganese concretions with sharp boundaries in matrix; 5 percent by volume moderately coherent cemented 2-3-5 millimeter basalt fragments; neutral, pH 6.8, hellige-truog; clear wavy boundary.; observed in pit, large or quarry. Thin lens from 2 mm to 5 cm thick, with clean silt and very fine sand coats and stringers of fine gravel between prisms at the boundary of the 2Bt1 and 3Bt2 horizon
4Bt3—114 to 152 centimeters (44.9 to 59.8 inches); light yellowish brown (10YR 6/4) interior, brown (10YR 4/3) crushed, moist; clay loam; 37 percent clay; strong coarse prismatic structure; extremely hard, extremely firm, very sticky, very plastic; slow permeability; moderate excavation difficulty; 0.8 very fine roots between peds; 0.8 very fine low-continuity tubular pores; 50 percent prominent very dark grayish brown (10YR 3/2), moist, organoargillans on vertical faces of peds and 60 percent distinct dark yellowish brown (10YR 4/6), moist, clay films on all faces of peds; 2 percent fine prominent spherical moderately coherent cemented iron-manganese concretions with sharp boundaries in matrix and 10 percent fine prominent irregular noncoherent cemented iron-manganese masses with clear boundaries on faces of peds; 2 percent by volume weakly coherent cemented 2-3-5 millimeter basalt fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary.; observed in pit, large or quarry. This horizon appears to be formed in interbed silts between basalt flows, not loess
5Bt4—152 to 165 centimeters (59.8 to 65.0 inches); pale brown (10YR 6/3) interior, brown (10YR 4/3) crushed, moist; silty clay loam; 34 percent clay; moderate coarse prismatic structure; very hard, very firm, moderately sticky, moderately plastic; slow permeability; moderate excavation difficulty; 0.8 very fine roots between peds; 0.8 very fine low-continuity tubular pores; 40 percent distinct clay films on all faces of peds; fragments; neutral, pH 6.9, hellige-truog.; observed in pit, large or quarry