IDENTIFIERS
Current Taxon Name (Soil Name):
Midvale
OSD
Series Extent
User Site ID:
S1979ID087003
User Pedon ID:
79ID087003
Lab Information:
Certified Lab Pedon Description -
yes
Lab Source ID -
KSSL
Lab Pedon # -
79P0435
NCSS Pedon Lab Data NASIS Record ID -
47168
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:
44.4806910
Std. Longitude:
-116.7445890
Datum:
WGS84
Township:
13N
Range:
3W
Section:
7
PLSS Details:
18 meters E and 400 meters N of the Center
Location Description:
NW Midevale 3 km
Map Unit:
142—Midvale silty clay loam, 2 to 4 percent slopes
State:
Idaho
County:
ID087—Washington
MLRA:
10—Central Rocky and Blue Mountain Foothills
PEDON
Describers Name:
G.H.L., L.M.R., D.L.M., S.H., K.W.H., M.A.F.
Current Taxonomic Class:
Fine, smectitic, mesic Vertic Argixerolls
Current Taxon Kind:
taxadjunct
Pedon Type:
taxadjunct to the series
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from SSL-CMS data
Pedon #:
3
Correlated Information:
Soil Name -
Midvale
Classificaton Date -
2/27/2020
Classifier -
Brian Gardner
Soil Taxonomic Edition -
twelfth edition
Moisture Class -
xeric
Moisture Subclass -
typic
Sampled As Information:
Soil Name -
Midvale
Taxonomic Class -
Fine, mixed, mesic Vertic Argixeroll
Taxon Kind -
series
Classificaton Date -
9/1/1979
Moisture Class -
xeric
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
mixed alluvium over lacustrine deposits
Landscape:
foothills
Landform:
lake terrace
Geomorphic Component Terraces:
tread
Slope Shape Across:
linear
Slope Shape Down:
linear
Drainage Class:
well
Flooding:
none flooding
Ponding:
none ponding
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
9/1/1979 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
water erosion
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
argillic horizon
36—76
—-
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
—
—
808
—
315
485
—
130
9.3
—
—
9.8
—
—
—
—
—
—
—
Ap1—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) interior, very dark brown (10YR 2/2) interior, moist; silt loam; 25 percent clay; strong very fine granular structure; loose, firm, moderately sticky, moderately plastic; 2.5 fine roots; 2.5 fine interstitial pores; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 79P02354. common fine roots
Ap2—10 to 25 centimeters (3.9 to 9.8 inches); dark grayish brown (10YR 4/2) interior, very dark grayish brown (10YR 3/2) interior, moist; silt loam; 27 percent clay; moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 2.5 fine and medium roots; 5.5 very fine tubular pores; very dark grayish brown (10YR 3/2) black stains in root channels and/or pores; fragments; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # 79P02355. common fine and medium roots
BAt—25 to 36 centimeters (9.8 to 14.2 inches); brown (7.5YR 4/2) interior, dark reddish brown (5YR 2/2) interior, moist; clay loam; 29 percent clay; moderate fine and medium prismatic, and strong fine and medium angular blocky, and strong fine and medium subangular blocky structure; extremely hard, very firm, very sticky, very plastic; 5.5 very fine roots; 2.5 very fine and fine tubular pores; very dark grayish brown (10YR 3/2) black stains in root channels and/or pores and 55 percent slickensides (pedogenic) on faces of peds and 55 percent slickensides (pedogenic) in root channels and/or pores; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 79P02356. many intersecting slickensides surface features on faces of peds; many intersecting slickensides surface features in root channels and/or pores; many very fine roots
Bt—36 to 48 centimeters (14.2 to 18.9 inches); brown (7.5YR 4/2) interior, dark reddish brown (5YR 3/2) interior, moist; clay loam; 37 percent clay; strong medium prismatic, and strong medium subangular blocky structure; extremely hard, very firm, very sticky, very plastic; 0.5 very fine roots between peds and 5.5 very fine roots top of horizon; 2.5 very fine and fine tubular pores; slickensides (pedogenic) on faces of peds and slickensides (pedogenic) in root channels and/or pores; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 79P02357. many very fine roots in mat at top of horizon; few very fine roots between peds
Btb1—48 to 76 centimeters (18.9 to 29.9 inches); dark yellowish brown (10YR 4/4) interior, dark brown (10YR 3/3) interior, moist; silty clay; 43 percent clay; strong medium prismatic structure; extremely hard, very friable, very sticky, very plastic; 0.5 very fine roots; 0.5 fine tubular pores; slickensides (pedogenic) on faces of peds and 55 percent slickensides (pedogenic) in root channels and/or pores; fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 79P02358. many intersecting slickensides surface features in root channels and/or pores; few very fine roots
Btb2—76 to 99 centimeters (29.9 to 39.0 inches); pale brown (10YR 6/3) interior, brown (10YR 4/3) interior, moist; loam; 24 percent clay; weak coarse prismatic structure; hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots; 5.5 fine and medium tubular pores; 55 percent clay films on vertical faces of peds; fragments; neutral, pH 7.2, hellige-truog; abrupt wavy boundary. Lab sample # 79P02359. many clay films surface features on vertical faces of peds; few very fine roots
C1—99 to 142 centimeters (39.0 to 55.9 inches); pale brown (10YR 6/3) interior, brown (10YR 4/3) interior, moist; loam; 11 percent clay; massive; hard, firm, moderately sticky, moderately plastic; 0.5 very fine roots; 2.5 very fine and fine interstitial and tubular pores; fragments; neutral, pH 7.2, hellige-truog; clear smooth boundary. Lab sample # 79P02360. few very fine roots
C2—142 to 152 centimeters (55.9 to 59.8 inches); yellowish brown (10YR 5/4) interior, dark yellowish brown (10YR 3/4) interior, moist; silt loam; 8 percent clay; massive; hard, firm, nonsticky, nonplastic; 2.5 very fine and fine interstitial and tubular pores; fragments; neutral, pH 7.2, hellige-truog. Lab sample # 79P02361