IDENTIFIERS
Current Taxon Name (Soil Name):
Cometa
OSD
Series Extent
User Site ID:
S1969CA061018
User Pedon ID:
S1969CA061018
Vegetation Plot ID:
S1969CA061018
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
69C0024
NCSS Pedon Lab Data NASIS Record ID -
43615
Print Date:
5/8/2024
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:
38.8730545
Std. Longitude:
-121.3202744
Datum:
WGS84
Township:
12N
Range:
6E
Section:
20
PLSS Details:
1,700 feet north of SE corner
Location Description:
Approximately 2.2 miles southwest of Lincoln; Chris story ranch.
State:
California
County:
CA061—Placer
MLRA:
17—Sacramento and San Joaquin Valleys
Non-MLRA Soil Survey Area:
CA620—Placer County, California, Western Part
PEDON
Describers Name:
L. A. Brittan, T. M. Ryan
Current Taxonomic Class:
Fine-loamy, mixed, superactive, thermic Typic Palexeralfs
Current Taxon Kind:
variant
Pedon Type:
taxadjunct to the series
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
18
Correlated Information:
Soil Name -
Cometa
PSC -
20 to 70 cm.
Classificaton Date -
7/23/2007
Moisture Class -
xeric
Sampled As Information:
Soil Name -
Cometa
Classificaton Date -
5/8/1969
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landform:
terrace
Runoff:
medium
Drainage Class:
moderately well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
5/8/1969 (actual site observation date)
Surface Cover Properties:
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
TRHI4
Trifolium hirtum
rose clover
—
—
—
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
—
—
38
—
225
533
—
—
16.1
—
—
—
—
—
—
—
—
—
—
AP—0 to 20 centimeters (0.0 to 7.9 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; sandy loam; 3 percent brown (7.5YR 5/4) fine faint mottles; massive; slightly hard, friable, nonsticky, nonplastic; 3.0 very fine roots; 3.0 very fine interstitial and tubular pores; fragments; moderately acid, pH 5.8, unspecified; abrupt smooth boundary. Lab sample # 69C00106; dry when described;
B21T—20 to 46 centimeters (7.9 to 18.1 inches); brown (10YR 5/3) and brown (7.5YR 5/4), brown (10YR 4/3), moist; clay; strong medium and coarse prismatic structure; very hard, very firm, very sticky, very plastic; 3.0 very fine roots; 0.5 very fine tubular pores; fragments; moderately acid, pH 6.0, unspecified; clear wavy boundary. Lab sample # 69C00107; dry when described;
B22T—46 to 61 centimeters (18.1 to 24.0 inches); light yellowish brown (10YR 6/4), brown (7.5YR 4/4), moist; clay; moderate medium prismatic structure; very hard, very firm, very sticky, very plastic; 0.5 very fine roots; 3.0 very fine tubular pores; 30 percent clay films in root channels and/or pores; fragments; slightly acid, pH 6.5, unspecified; clear wavy boundary. Lab sample # 69C00108; moist when described;
B31T—61 to 86 centimeters (24.0 to 33.9 inches); light brown (7.5YR 6/4), brown (7.5YR 4/4), moist; sandy loam; massive; hard when dry, firm, nonsticky, nonplastic; 0.5 very fine roots; 21.0 very fine interstitial pores; 30 percent clay films in root channels and/or pores; fragments; slightly alkaline, pH 7.8, unspecified; gradual wavy boundary. Lab sample # 69C00109; moist when described;
B32T—86 to 115 centimeters (33.9 to 45.3 inches); yellowish red (5YR 5/6) and pale brown (10YR 6/3) and light yellowish brown (10YR 6/4), reddish brown (5YR 4/4) and brown (7.5YR 5/4) and strong brown (7.5YR 5/6), moist; sandy loam; massive; hard when dry, firm, nonsticky, nonplastic; 0.5 very fine roots; 21.0 very fine interstitial pores; clay bridges between sand grains and 30 percent clay films; fragments; moderately alkaline, pH 8.0, unspecified; clear smooth boundary. Lab sample # 69C00110; moist when described;
C1SI—115 to 140 centimeters (45.3 to 55.1 inches); yellowish red (5YR 5/6), reddish brown (5YR 4/4) and brown (7.5YR 4/4) and strong brown (7.5YR 5/6), moist; gravelly sandy loam; massive; hard when dry, firm, nonsticky, nonplastic; 21.0 very fine interstitial pores; clay bridges between sand grains and 75 percent clay films; fragments; slightly alkaline, pH 7.8, unspecified; clear smooth boundary. Lab sample # 69C00111; moist when described;
C2SI—140 to 165 centimeters (55.1 to 65.0 inches); yellowish brown (10YR 5/8) and strong brown (7.5YR 5/6), brown (7.5YR 4/4), moist; gravelly sandy loam; massive; hard when dry, firm, nonsticky, nonplastic; 21.0 very fine interstitial pores; clay bridges between sand grains and 75 percent clay films; fragments; slightly acid, pH 6.5, unspecified; clear smooth boundary. Lab sample # 69C00112; moist when described;
C3—165 to 190 centimeters (65.0 to 74.8 inches); pale brown (10YR 6/3) and light yellowish brown (10YR 6/4), brown (7.5YR 5/4) and brown (7.5YR 4/4), moist; gravelly sand; massive; hard when dry, firm, nonsticky, nonplastic; 21.0 very fine interstitial pores; clay bridges between sand grains and 10 percent clay films; fragments; slightly acid, pH 6.5, unspecified; gradual wavy boundary. Lab sample # 69C00113; moist when described;
C4—190 to 205 centimeters (74.8 to 80.7 inches); gravelly sand; massive; hard when dry, firm, nonsticky, nonplastic; 21.0 very fine interstitial pores; clay bridges between sand grains and 10 percent clay films; fragments; slightly acid, pH 6.5, unspecified. Lab sample # 69C00114; moist when described;