IDENTIFIERS
Current Taxon Name (Soil Name):
TRAILHEAD
OSD
Series Extent
User Site ID:
S1962-CA-12-024x
User Pedon ID:
62-CA-12-024x
Vegetation Plot ID:
S1962-CA-12-024x
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
UCDAVIS
Lab Pedon # -
UCD6212024
NCSS Pedon Lab Data NASIS Record ID -
42001
Print Date:
9/24/2024
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:
41.2853241
Std. Longitude:
-123.9310074
Datum:
WGS84
Township:
10N
Range:
2E
Section:
3
PLSS Details:
NW/4, SE/4
State:
California
County:
CA023—Humboldt
MLRA:
4B—Coastal Redwood Belt
Non-MLRA Soil Survey Area:
CA605—Humboldt and Del Norte Area, California
7.5 Minute USGS Quad:
41123-C8—Holter Ridge, California
PEDON
Describers Name:
JEM, RCH, BFS, JAD
Current Taxonomic Class:
Clayey, mixed, isomesic Oxyaquic Palehumults
Pedon Record Orgin:
NASIS
Sampled As Information:
Soil Name -
TRAILHEAD
Taxonomic Class -
Clayey, mixed, isomesic Oxyaquic Palehumults
Classificaton Date -
1/28/2009
Dynamic Soil Properties:
Erosion Class -
0
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
RES
Drainage Class:
well
Bedrock:
sandstone, unspecified
Geology:
Hard Sandstone formation.
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
1/28/2009 (entry creation date)
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
Vegetation Plot Plants
Plant Symbol
Scientific Name
National Vernacular Name
Plant Type Group
Canopy Cover %
Vegetation Stata Level
PSEUD7
Pseudotsuga
Douglas-fir
—
—
—
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
25
—
—
457
—
90
2286
—
—
11.1
—
—
—
—
—
—
—
—
—
—
O1—0 to 8 centimeters (0.0 to 3.1 inches); fragments. Lab sample # UCD04315
A1—8 to 21 centimeters (3.1 to 8.3 inches); dark brown (7.5YR 3/2), brown (7.5YR 4/2), dry; gravelly clay loam; moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 21.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout; 21.0 very fine tubular and 21.0 very fine irregular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # UCD04316
A3—21 to 36 centimeters (8.3 to 14.2 inches); dark reddish brown (5YR 3/3), brown (7.5YR 5/4), dry; silty clay; moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 21.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 3.0 coarse roots throughout; 21.0 very fine irregular and 21.0 very fine tubular pores; fragments; strongly acid, pH 5.4; clear smooth boundary. Lab sample # UCD04317
B1t—36 to 79 centimeters (14.2 to 31.1 inches); 5YR 3/6 (5YR 3/6), light red (2.5YR 6/6), dry; clay; moderate fine subangular blocky structure; hard, firm, slightly sticky, moderately plastic; 3.0 very fine roots throughout and 21.0 medium roots throughout and 3.0 fine roots throughout and 21.0 coarse roots throughout; 21.0 very fine tubular pores; 75 percent clay films on surfaces along pores; fragments; strongly acid, pH 5.3; gradual smooth boundary. Lab sample # UCD04318
B21t—79 to 122 centimeters (31.1 to 48.0 inches); dark red (2.5YR 3/6), red (2.5YR 5/8), dry; clay; weak medium subangular blocky structure; firm, slightly sticky, moderately plastic; 0.5 very fine roots throughout and 3.0 medium roots throughout and 0.5 fine roots throughout and 3.0 coarse roots throughout; 3.0 very fine tubular pores; clay films between sand grains and clay films on surfaces along pores; fragments; strongly acid, pH 5.4; diffuse smooth boundary. Lab sample # UCD04319. continuous - phpvsfiid 663166; continuous - phpvsfiid 663167; continuous - phpvsfiid 663166; continuous - phpvsfiid 663167
B22t—122 to 183 centimeters (48.0 to 72.0 inches); dark red (2.5YR 3/6), light red (2.5YR 6/8), dry; clay; weak medium subangular blocky structure; firm, slightly sticky, moderately plastic; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine tubular pores; clay films on all faces of peds and clay films on surfaces along pores; fragments; moderately acid, pH 5.6; diffuse smooth boundary. Lab sample # UCD04320. continuous - phpvsfiid 663168; continuous - phpvsfiid 663169; continuous - phpvsfiid 663168; continuous - phpvsfiid 663169
B23t—183 to 211 centimeters (72.0 to 83.1 inches); dark red (2.5YR 3/6), light red (2.5YR 6/6), dry; gravelly clay; moderate fine subangular blocky structure; firm, slightly sticky, moderately plastic; 0.5 very fine tubular pores; clay films on all faces of peds; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; moderately acid, pH 5.7. Lab sample # UCD04321. continuous - phpvsfiid 663170; continuous - phpvsfiid 663170