*** Primary Characterization Data ***
Pedon ID: 789204( Plumas, California )Print Date: Dec 5 2025 10:38PM

Sampled as : ; Fine-loamy, mixed, active, frigid Histic Humaquept
Revised to correlated:Histic Humaquepts ; Loamy-skeletal, isotic, acid, frigid Histic Humaquepts
United States Department of Agriculture
SSL-ProjectC2007USCA026   Lassen Volcanic National ParkNatural Resources Conservation Service
-Site IDR06CA063003   Lat: 40° 26' 35.40" north  Long: 121° 24' 23.70" west  MLRA: 22BNational Soil Survey Center
-Pedon No. 07N0141Kellogg Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
07N00930OiOi0-4R06CA063-003-1SPM
07N00931A1A14-16R06CA063-003-2VFSL L
07N00932A2A216-23R06CA063-003-3VFSL CL
07N00933AbAb23-30R06CA063-003-4L L
07N00934AgbAgb30-53R06CA063-003-5L L
07N00935BgbBgb53-77R06CA063-003-6CL L
07N00936Cg1Cg177-130R06CA063-003-7GRX-SCL SCL
07N00937Cg2Cg2130-157R06CA063-003-8GRV-COSL COSL
Pedon Calculations
Calculation NameResultUnits of Measure
 
Weighted Particles, 0.1-75mm, 75 mm Base63% wt
Volume, >2mm, Weighted Average43% vol
Clay, total, Weighted Average23% wt
Clay, carbonate free, Weighted Average23% wt
 
Weighted averages based on control section: 48-123 cm
PSDA  &  Rock Fragments-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18-
 
(- - - - - Total - - - - - -)(- - Clay - - -)(- - - - Silt - - - - -)(- - - - - - - - - - - - Sand - - - - - - - - - - - -)( Rock Fragments   (mm) )
LabClaySiltSandFineCO3FineCoarseVFFMCVC(- - - - - - - - Weight - - - - - - - -)>2 mm
Text-<.002.05<<.002.02.05.10.25.512520.1-wt %
Depthure.002-.05-2.0002.002-.02-.05-.10-.25-.50-1-2-5-20-7575whole
Layer(cm)HorzPrep(- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -)(- - - - - - - % of <75mm - - - - - -)soil
3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a
 
07N009300-4OiS----------
07N009314-16A1Sl26.142.831.129.713.118.010.12.70.3tr1----141
07N0093216-23A2Scl29.940.829.331.29.612.411.14.60.90.3------17--
07N0093323-30AbSl23.635.341.124.311.013.317.17.02.80.91----291
07N0093430-53AgbSl24.736.438.926.010.410.113.18.14.92.72283712
07N0093553-77BgbSl26.436.637.026.610.012.913.87.02.31.02----262
07N0093677-130Cg1Sscl21.121.757.215.95.85.69.111.814.416.31026328579
07N00937130-157Cg2Scosl10.814.674.610.73.95.07.212.321.728.41017188363


*** Primary Characterization Data ***
Pedon ID: 789204( Plumas, California )Print Date: Dec 5 2025 10:38PM
Sampled As:Fine-loamy, mixed, active, frigid Histic Humaquept
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  07N0141
Bulk Density  &  Moisture-1--2--3--4--5--6--7--8--9--10--11--12--13--14-
 
(Bulk Density)Cole(- - - - - - - - - - - Water Content - - - - - - - - - - -)( Air Dry-Oven Dry )WRDAggst
33OvenWhole6103315001500 kPa(- - - - Ratio - - - -)WholeStabl(- - Ratio/Clay - -)
DepthkPaDrySoilkPakPakPakPaMoistCorrectedSoil2-0.5mm CEC71500 kPa
Layer(cm)HorzPrep (- - - g cm-3 - - -) (- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -) cm3 cm-3%
3C2a1a3D1
 
07N009300-4OiS1.049
07N009314-16A1S47.11.0421.681.80
07N0093216-23A2S42.11.0421.611.41
07N0093323-30AbS17.11.0241.190.72
07N0093430-53AgbS15.01.0210.830.61
07N0093553-77BgbS16.01.0230.770.61
07N0093677-130Cg1S12.81.0180.61
07N00937130-157Cg2S9.91.0120.92
Water Content-1--2--3--4--5--6--7--8--9--10--11--12--13-
 
(- - Atterberg - -)(- - - - - Bulk Density - - - - -)(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)
(- - - Limits - - -)FieldReconReconFieldRecon(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)
LLPI33Oven3361033100200500
DepthkPaDrykPakPakPakPakPakPakPa
Layer(cm)HorzPreppct <0.4mm(- - - - - - - - g cm-3 - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)
3C1e1a
 
07N009314-16A1S25.9
07N0093216-23A2S42.5
07N0093323-30AbS22.3
07N0093430-53AgbS20.5
07N0093553-77BgbS23.6


*** Primary Characterization Data ***
Pedon ID: 789204( Plumas, California )Print Date: Dec 5 2025 10:38PM
Sampled As:Fine-loamy, mixed, active, frigid Histic Humaquept
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  07N0141
Carbon  &  Extractions-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18--19-
 
(- - - - - Total - - - - -)EstOCC/N(- - - Dith-Cit Ext - - -)(- - - - - - Ammonium Oxalate Extraction - - - - - -)(- - - Na Pyro-Phosphate - - -)
DepthCNSOC(WB)RatioFeAlMnAl+½FeODOEFeAlSiMnCFeAlMn
Layer(cm)HorzPrep(- - - - - - - - - - % of <2 mm - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -)mg kg-1(- - - - - - % of < 2mm - - - - -)
4H2a4H2a4H2a4G14G14G14G24G24G24G24G2
 
07N009300-4OiS24.511.020.3124.524
07N009314-16A1S17.401.080.3117.4160.20.2--0.400.120.360.220.0488.2
07N0093216-23A2S15.251.160.2815.3130.20.2--0.420.150.320.260.0228.2
07N0093323-30AbS4.850.400.184.9120.10.1--0.350.120.280.210.0314.1
07N0093430-53AgbS2.110.190.222.1110.10.1--0.270.060.240.150.0311.0
07N0093553-77BgbS1.000.120.251.090.10.1--0.230.050.210.130.037.9
07N0093677-130Cg1S1.180.070.211.216tr0.1--0.200.040.150.120.036.1
07N00937130-157Cg2S1.750.130.161.813--tr--0.160.030.130.090.038.0
CEC  &  Bases-1--2--3--4--5--6--7--8--9--10--11--12--13--14-
 
(- - - - - - NH4OAC Extractable Bases - - - - -)CEC8CEC7ECEC(- - - - Base - - - -)
SumAcid-ExtrKClSumNH4BasesAl(- Saturation -)
DepthCaMgNaKBasesityAlMnCatsOAC+AlSatSumNH4OAC
Layer(cm)HorzPrep(- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -)mg kg-1(- - - - cmol(+) kg-1 - - -)(- - - - - - - - % - - - - - - - -)
4B1a1a4B1a1a4B1a1a4B1a1a4B2b1a14B3a1a4B3a1a4B1a1a
 
07N009314-16A1S13.45.50.41.320.648.70.85.869.343.921.443047
07N0093216-23A2S14.85.00.41.321.574.40.92.795.948.022.442245
07N0093323-30AbS11.13.90.40.515.926.00.91.141.928.116.853857
07N0093430-53AgbS2.30.80.40.43.917.40.70.921.320.64.6151819
07N0093553-77BgbS9.16.10.40.115.712.31.10.828.020.416.875677
07N0093677-130Cg1S11.51.10.7
07N00937130-157Cg2S9.71.11.1


*** Primary Characterization Data ***
Pedon ID: 789204( Plumas, California )Print Date: Dec 5 2025 10:38PM
Sampled As:Fine-loamy, mixed, active, frigid Histic Humaquept
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  07N0141
Salt-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18--19--20-
 
(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)1:2
TotalElecElecExch
DepthCaMgNaKCO3HCO3FClPO4BrOACSO4NO2NO3H2OSaltsCondCondNaSAR
Layer(cm)HorzPrep(- - - - - mmol(+) L-1 - - - - -)(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)(- - - - % - - - -)(- - dS m-1 - -)%
 
07N009314-16A1S1
07N0093216-23A2S1
07N0093323-30AbS1
07N0093430-53AgbS2
07N0093553-77BgbS2
pH  &  Carbonates-1--2--3--4--5--6--7--8--9--10--11-
 
(- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -)(- - Carbonate - -)(- - Gypsum - - -)
CaCl2As CaCO3As CaSO4*2H2OResist
Depth0.01MH2OSat<2mm<20mm<2mm<20mmohms
Layer(cm)HorzPrepKCl1:21:1PasteOxidNaF(- - - - - - - - - - - - % - - - - - - - - - - -)cm-1
4C1a2a4C1a2a4C1a1a1
 
07N009314-16A1S4.55.77.6
07N0093216-23A2S4.55.37.6
07N0093323-30AbS4.55.48.5
07N0093430-53AgbS4.65.48.5
07N0093553-77BgbS4.45.48.6
07N0093677-130Cg1S4.35.08.5
07N00937130-157Cg2S7.6


*** Primary Characterization Data ***
Pedon ID: 789204( Plumas, California )Print Date: Dec 5 2025 10:38PM
Sampled As:Fine-loamy, mixed, active, frigid Histic Humaquept
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  07N0141
Organic-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17-
 
MineralOMOM+(- Total -)Fiber ContentNaPyroDecompLimnic(- - pH - -)(- - Bulk Density - -)Proj
DepthContentTC*1.724MinCNC/NUnrubRubColorStateMatterCaCl2H2O33 kPa33 kPa rewetODSubs
Layer(cm)HorzPrep(- - - - - - - - % - - - - - - - -)ratio% (by vol)g cm-3cm cm-1
5A4H2a4H2a4C1a2a
 
07N009300-4OiS428724.511.0224--
07N009300-4OiMW45
07N009314-16A1S17.401.08165.71
07N0093216-23A2S15.251.16135.3--
07N0093323-30AbS4.850.40125.41
07N0093430-53AgbS2.110.19115.47
07N0093553-77BgbS1.000.1295.41
07N0093677-130Cg1S1.180.07165.038
07N00937130-157Cg2S1.750.131323
Phosphorous-1--2--3--4--5--6--7--8--9--10--11--12-
 
(- - - - - - - - - - - - - - - - - - - - - - - Phosphorous - - - - - - - - - - - - - - - - - - - - -)KCl
MelanicNZAcidAnion Exch ResinBrayBrayOlsenH2OCitricMehlichExtr
DepthIndexOxalAvailableCapacity12AcidIIINO3
Layer(cm)HorzPrep%(- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -)
4D8a14G2
 
07N009314-16A1S40450.3
07N0093216-23A2S47307.0
07N0093323-30AbS38222.5
07N0093430-53AgbS19106.2
07N0093553-77BgbS2348.5
07N0093677-130Cg1S88.8
07N00937130-157Cg2S101.3


*** Primary Characterization Data ***
Pedon ID: 789204( Plumas, California )Print Date: Dec 5 2025 10:38PM
Sampled As:Fine-loamy, mixed, active, frigid Histic Humaquept
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  07N0141
Clay Mineralogy (<.002 mm)-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18-
X-RayThermalElementalEGMEInter
SiO2Al2O3Fe2O3MgOCaOK2ONa2ORetnpreta
DepthFract7A1a1 tion
Layer(cm)Horzion( - - - - - - - - - peak size - - - - - - - - - - )(- - - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)mg g-1
07N0093216.0-23.0A2tclyKK 1 CMIX
07N0093430.0-53.0AgbtclyKK 3MT 2 CMIX
07N0093677.0-130.0Cg1tclyKK 3MT 1CR 1 CMIX

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CR CristobaliteKK KaoliniteMT Montmorillonite

RELATIVE PEAK SIZE:5 Very Large4 Large3 Medium2 Small1 Very Small6 No Peaks

INTERPRETATION (BY HORIZON):
CMIX - Mixed Clay


*** Primary Characterization Data ***
Pedon ID: 789204( Plumas, California )Print Date: Dec 5 2025 10:38PM
Sampled As:Fine-loamy, mixed, active, frigid Histic Humaquept
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  07N0141
Sand - Silt Mineralogy (2.0-0.002 mm)-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18-
X-RayThermalOpticalEGMEInter
Tot ReGrain CountRetnpreta
DepthFract 7B1a2 tion
Layer(cm)Horzion( - - - - - - - - peak size - - - - - - - - - )(- - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - -) mg g-1
07N009314.0-16.0A1csi OT 79GS 9GC 8PO 2GA 1DI tr
OG tr
07N009314.0-16.0A1vfs OT 82GS 9GA 6GC 1DI 1PO 1
07N0093323.0-30.0Abcsi OT 75GS 17GC 5PO 2GA 1
07N0093323.0-30.0Abfs OT 82GS 11GA 5GC 2GM tr
07N0093430.0-53.0Agbcsi OT 70GS 21GC 4GA 2PO 2
07N0093430.0-53.0Agbfs OT 71GS 15GA 9GC 6GM tr GLSS
07N0093677.0-130.0Cg1csi OT 82GS 9GC 7GA 2PO 1
07N0093677.0-130.0Cg1fs OT 80GA 8GS 7GC 4GM tr

FRACTION INTERPRETATION:
csi - Coarse Silt 0.02-0.05 mmvfs - Very Fine Sand 0.05-0.1 mmfs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
DI DiatomsGA Glass AggregatesGC Glass-coated GrainGM Glassy MaterialsGS Glass
OG Glass-coated OpaquesOT OtherPO Plant Opal

INTERPRETATION (BY HORIZON):
GLSS - GLSSSMIX - Mixed Sand



*** Primary Characterization Data ***
Pedon ID: 789204( Plumas, California )Print Date: Dec 5 2025 10:38PM
Sampled As:Fine-loamy, mixed, active, frigid Histic Humaquept
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  07N0141
Sand - Silt Mineralogy (2.0-0.002 mm)-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18-
X-RayThermalOpticalEGMEInter
Tot ReGrain CountRetnpreta
DepthFract 7B1a2 tion
Layer(cm)Horzion( - - - - - - - - peak size - - - - - - - - - )(- - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - -) mg g-1
07N0093216.0-23.0A2vfs 60SA 32DI 15GS 13GA 9GM 5QZ 5 SMIX
FP 4OP 3BT 2CD 2FE 2FG 2
PR 2FK 1GC 1PO 1HG 1HN 1
MS 1ZE tr
07N0093553.0-77.0Bgbfs 13GA 37FP 21GS 17QZ 8CD 4AR 3 GLSS
GM 3PR 3FG 2GC 1FE 1BT tr
OP trTM trZE tr

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mmfs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
AR Weatherable AggregatesBT BiotiteCD Chert (ChalcedonyDI DiatomsFE Iron Oxides (Goethite
FG Glass Coated FeldsparFK Potassium FeldsparFP Plagioclase FeldsparGA Glass AggregatesGC Glass Coated Grain
GM Glassy MaterialsGS GlassHG Glass Coated HornblendeHN HornblendeMS Muscovite
OP OpaquesPO Plant OpalPR PyroxeneQZ QuartzSA Siliceous Aggregates
TM TourmalineZE Zeolite


*** Primary Characterization Data ***
Pedon ID: 789204( Plumas, California )Print Date: Dec 5 2025 10:38PM
Sampled As:Fine-loamy, mixed, active, frigid Histic Humaquept
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  07N0141

INTERPRETATION (BY HORIZON):
GLSS - GLSSSMIX - Mixed Sand
NSSC SSL Report Creation