IDENTIFIERS
Current Taxon Name (Soil Name):
TROSI
OSD
Series Extent
User Site ID:
S1981CA035004
User Pedon ID:
S1981CA035004
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
81P0696
NCSS Pedon Lab Data NASIS Record ID -
49540
Print Date:
11/13/2024
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:
40.5504303
Std. Longitude:
-120.1763077
Datum:
WGS84
Township:
31N
Range:
16E
Section:
17
PLSS Details:
1311 meters N and 1250 meters E of the SW corner
State:
California
County:
CA035—Lassen
MLRA:
23—Malheur High Plateau
Non-MLRA Soil Survey Area:
CA608—Susanville Area, Parts of Lassen and Plumas Counties, California
PEDON
Current Taxonomic Class:
Loamy-skeletal, mixed, shallow Xeric Argidurids
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
4
Correlated Information:
Soil Name -
TROSI
PSC -
0 to 33 cm.
Classificaton Date -
3/12/2002
Moisture Class -
aridic (torric)
Sampled As Information:
Soil Name -
Trosi
Taxonomic Class -
Loamy-skeletal, mixed, mesic, shallow Xerollic Dur
Taxon Kind -
series
Classificaton Date -
6/1/1981
Soil Taxonomic Edition -
first edition
Moisture Class -
aridic (torric)
Moisture SUBClass -
xeric
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Drainage Class:
well
Surface Fragments:
1.50 percent 250- to 600-millimeter
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
6/1/1981 (actual site observation date)
Surface Cover Properties:
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
lamellae
33—56
1—-3
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
5
—
—
1399
—
225
—
—
—
—
—
—
—
—
—
—
—
—
—
—
A-3—0 to 5 centimeters (0.0 to 2.0 inches); very dark grayish brown (10YR 3/2), light brownish gray (10YR 6/2), dry; very cobbly sandy loam; moderate medium platy, and moderate coarse platy structure; slightly hard, very friable, slightly sticky, moderately plastic; 0.5 very fine roots; 21.0 very fine vesicular and 21.0 very fine interstitial and 21.0 fine vesicular and 21.0 fine interstitial pores; fragments; noneffervescent; neutral, pH 6.8; abrupt wavy boundary. Lab sample # 81P04166
BT1—5 to 13 centimeters (2.0 to 5.1 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; clay loam; strong medium subangular blocky, and strong coarse subangular blocky structure; hard, very friable, moderately sticky, moderately plastic; 0.5 very fine roots and 0.5 fine roots; 3.0 very fine tubular and 3.0 very fine interstitial pores; 30 percent clay films on all faces of peds; fragments; noneffervescent; neutral, pH 7.2; clear wavy boundary. Lab sample # 81P04167. patchy - phpvsfiid 171233; patchy - phpvsfiid 171233
BT2—13 to 33 centimeters (5.1 to 13.0 inches); brown (10YR 4/3), brown (7.5YR 5/4), dry; clay; moderate fine angular blocky, and moderate medium angular blocky structure; very hard, friable, very sticky, very plastic; 3.0 very fine roots and 3.0 medium roots and 3.0 fine roots; 3.0 very fine tubular pores; 75 percent clay films on all faces of peds; fragments; noneffervescent; slightly alkaline, pH 7.4; abrupt wavy boundary. Lab sample # 81P04168. discontinuous - phpvsfiid 171234; discontinuous - phpvsfiid 171234
CQKM—33 to 56 centimeters (13.0 to 22.0 inches); reddish yellow (7.5YR 6/6), pink (7.5YR 7/4), dry; massive; extremely hard, extremely firm, very strongly coherent by silica and carbonates; fragments; noneffervescent; slightly alkaline, pH 7.8. Lab sample # 81P04169
2CQK—56 to 74 centimeters (22.0 to 29.1 inches); strongly coherent by silica; fragments. Lab sample # 81P04170