IDENTIFIERS
Current Taxon Name (Soil Name):
Graven
OSD
Series Extent
User Site ID:
S1984CA089001
User Pedon ID:
84CA089001
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
84P0734
NCSS Pedon Lab Data NASIS Record ID -
54977
Print Date:
3/2/2025
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:
41.0147209
Std. Longitude:
-121.4452744
Datum:
WGS84
Township:
37N
Range:
4E
Section:
25
PLSS Details:
15 meters W and 162 meters S of NE corner
Location Description:
Fall River Quad
State:
California
County:
CA089—Shasta
MLRA:
21—Klamath and Shasta Valleys and Basins
PEDON
Describers Name:
Chuck Ferrari, Dean Burkett and Wes Lindsey
Current Taxonomic Class:
Fine-loamy, smectitic, mesic Haplic Durixerolls
Current Taxon Kind:
series
Pedon Type:
classifies to current taxon name, full description
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from SSL-CMS data
Pedon #:
1
Correlated Information:
Soil Name -
Graven
PSC -
23 to 58 cm.
Classificaton Date -
2/1/2010
Moisture Class -
xeric
Sampled As Information:
Soil Name -
Graven
Taxonomic Class -
Fine, montmorillonitic, mesic Typic Durixeroll
Taxon Kind -
series
Classificaton Date -
8/1/1984
Moisture Class -
xeric
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landscape:
plateaus or tablelands
Landform:
mesa or butte
Slope Position:
middle third
Slope Shape Down:
convex
Runoff:
low
Drainage Class:
very poorly
Surface Fragments:
0.00 percent
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
8/1/1984 (actual site observation date)
Microrelief Elevation:
75
Surface Cover Properties:
Site Obs. Cover Kind 1 -
grass/herbaceous cover
Site Obs. Cover Kind 2 -
rangeland, grassland
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
mollic epipedon
argillic horizon
duripan
0—35
23—58
58—74
—-
—-
—-
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
—
—
1013
—
45
46
—
—
10
—
—
12
—
—
—
—
—
—
—
1A1—0 to 8 centimeters (0.0 to 3.1 inches); grayish brown (10YR 5/2) interior, dark brown (7.5YR 3/2) crushed, moist; loam; strong medium platy, and weak fine subangular blocky structure; very hard, friable, nonsticky, slightly plastic; 2.5 very fine roots throughout; 2.5 very fine tubular and 0.5 medium vesicular pores; fragments; neutral, pH 6.6, bromthymol blue; abrupt smooth boundary. Lab sample # 84P04056; dry when described;. common very fine roots throughout
1BA1—8 to 23 centimeters (3.1 to 9.1 inches); grayish brown (10YR 5/2) interior, dark brown (7.5YR 3/2) crushed, moist; loam; weak fine subangular blocky structure; very hard, firm, nonsticky, slightly plastic; 2.5 very fine roots and 0.5 medium roots; 5.5 very fine tubular pores; 15 percent clay films in root channels and/or pores; fragments; neutral, pH 6.7, bromthymol blue; clear smooth boundary. Lab sample # 84P04057; dry when described;. few clay films surface features in root channels and/or pores; common very fine roots; few medium roots
1Bt1—23 to 35 centimeters (9.1 to 13.8 inches); grayish brown (10YR 5/2) interior, very dark grayish brown (10YR 3/2) crushed, moist; clay loam; weak fine prismatic, and weak fine angular blocky structure; very hard, firm, slightly sticky, moderately plastic; 2.5 very fine roots and 0.5 fine roots; 5.5 very fine tubular pores; 37 percent clay films in root channels and/or pores; fragments; neutral, pH 6.7, bromthymol blue; abrupt smooth boundary. Lab sample # 84P04058; dry when described;. common clay films surface features in root channels and/or pores; common very fine roots; few fine roots
1Bt2—35 to 50 centimeters (13.8 to 19.7 inches); grayish brown (10YR 5/2) interior, dark brown (10YR 3/3) crushed, moist; clay; strong medium prismatic, and strong medium angular blocky structure; extremely hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots; 5.5 very fine tubular pores; 37 percent clay films on faces of peds; fragments; neutral, pH 6.6, bromthymol blue; abrupt wavy boundary. Lab sample # 84P04059; dry when described;. common clay films surface features on faces of peds; few very fine roots
1Bt3—50 to 58 centimeters (19.7 to 22.8 inches); brown (10YR 5/3) interior, dark grayish brown (10YR 4/2) crushed, moist; clay; strong fine prismatic, and strong fine angular blocky structure; extremely hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots; 5.5 very fine tubular pores; 37 percent clay films on faces of peds; fragments; neutral, pH 6.6, bromthymol blue; clear wavy boundary. Lab sample # 84P04060; dry when described;. On bottom of this horizon there is 2 cm of material mixing Bt3 and 2Ckqm.; common clay films surface features on faces of peds; few very fine roots
2Ckqm—58 to 74 centimeters (22.8 to 29.1 inches); brown (10YR 5/3) interior, brown (10YR 4/3) crushed, moist; very fine sandy loam; massive; very hard, very firm, nonsticky, nonplastic; 0.5 very fine roots; 30 percent fine irregular lime masses; fragments; moderately alkaline, pH 8.0, thymol-blue; abrupt wavy boundary. Lab sample # 84P04061; dry when described;. Thin capping 0.3 to 0.6 cm thick, most roots matted on capping with a few roots following fractures.; many fine soft masses of lime concentrations; few very fine roots
2Ckq—74 to 89 centimeters (29.1 to 35.0 inches); light brownish gray (10YR 6/2) interior, dark yellowish brown (10YR 4/4) crushed, moist; very fine sandy loam; moderate coarse subangular blocky structure; very hard, firm, nonsticky, nonplastic; 0.5 very fine roots; 2.5 very fine tubular pores; 11 percent fine irregular lime masses; fragments; moderately alkaline, pH 8.0, thymol-blue; clear smooth boundary. Lab sample # 84P04062; dry when described;. common fine soft masses of lime concentrations; few very fine roots
2Ck—89 to 109 centimeters (35.0 to 42.9 inches); light gray (10YR 7/2) interior, dark yellowish brown (10YR 4/4) crushed, moist; very fine sandy loam; massive; very hard, friable, nonsticky, nonplastic; 0.5 very fine roots; 2.5 very fine tubular pores; 11 percent fine irregular lime masses; fragments; moderately alkaline, pH 8.0, thymol-blue; clear smooth boundary. Lab sample # 84P04063; moist when described;. common fine soft masses of lime concentrations; few very fine roots
2C—109 to 137 centimeters (42.9 to 53.9 inches); light gray (10YR 7/2) interior, dark yellowish brown (10YR 4/4) crushed, moist; very fine sandy loam; massive; hard, friable, nonsticky, nonplastic; 0.5 very fine roots; 2.5 very fine tubular pores; fragments; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary. Lab sample # 84P04064; moist when described;. few very fine roots
3C—137 to 162 centimeters (53.9 to 63.8 inches); light gray (10YR 7/2) interior, dark yellowish brown (10YR 4/4) crushed, moist; sandy loam; massive; hard, very friable, nonsticky, nonplastic; 5.5 very fine tubular pores; fragments; slightly alkaline, pH 7.8, thymol-blue. Lab sample # 84P04065; moist when described;