*** Primary Characterization Data ***
Pedon ID: 78CA033026( Lake, California )Print Date: Nov 21 2024 12:08PM

Sampled as on Jun 29, 1978:Cohasset V ; Fine-loamy, mixed, mesic Ultic Palexeralf
Revised to correlated:Aiken ; Fine, mixed, mesic Xeric Haplohumults
United States Department of Agriculture
SSL-ProjectCP78CA178   NAPA AND LAKE COUNTIESNatural Resources Conservation Service
-Site IDS1978CA033026   Lat: 38° 50' 0.56" north  Long: 122° 40' 52.86" west  MLRA: 5National Soil Survey Center
-Pedon No. 78P0461Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
78P02582A1A110-13CL
78P02583A2A1213-23CL
78P02584B1B123-51CL
78P02585B2B2151-84C
78P02586Bt1B22t84-112C
78P02587Bt2B23t112-155C
78P02588Bt3B24t155-188C
Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average0.34(NA)
Clay, carbonate free, Weighted Average39% wt
Weighted Particles, 0.1-75mm, 75 mm Base25% wt
Volume, >2mm, Weighted Average8% vol
Clay, total, Weighted Average39% wt
 
Weighted averages based on control section: 23-83 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
3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3B13B13B1
 
78P025820-13A1Scl28.336.934.825.111.86.59.25.46.37.410323915
78P0258313-23A2Scl33.538.328.227.510.86.08.24.74.64.7512298
78P0258423-51B1Scl36.434.629.024.99.76.69.34.84.53.811--2417
78P0258551-84B2Sc40.930.628.520.99.76.18.45.05.43.61tr32618
78P0258684-112Bt1Sc45.628.326.118.99.46.49.04.73.82.2trtr274136
78P02587112-155Bt2Sc45.528.526.018.410.16.38.85.04.21.7tr--385065
78P02588155-188Bt3Sc45.627.826.618.89.06.39.45.14.21.6tr----2059


*** Primary Characterization Data ***
Pedon ID: 78CA033026( Lake, California )Print Date: Nov 21 2024 12:08PM
Sampled As:Cohasset VFine-loamy, mixed, mesic Ultic Palexeralf
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  78P0461
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%
4A1d4A1h4B1c3C2a1a3D14C18D18D1
 
78P025820-13A1S0.700.740.01849.918.71.0440.210.510.66
78P0258313-23A2S0.9018.91.0340.410.56
78P0258423-51B1S1.111.200.02429.619.61.0370.100.380.54
78P0258551-84B2S1.101.170.01931.919.31.0370.130.300.47
78P0258684-112Bt1S1.191.300.02433.422.01.0500.110.260.48
78P02587112-155Bt2S1.2022.71.0320.250.50
78P02588155-188Bt3S1.191.290.01635.923.21.0290.090.250.51
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 - - - - - - - - - - - - - - - - - - - - - -)
4F14F
 
78P0258551-84B2S4112
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 - - - - -)
6A1c6C2b6G7a
 
78P025820-13A1S4.455.21.2
78P0258313-23A2S1.605.70.9
78P0258423-51B1S1.295.90.8
78P0258551-84B2S0.746.30.8
78P0258684-112Bt1S0.396.00.7
78P02587112-155Bt2S0.335.20.6
78P02588155-188Bt3S0.374.60.5


*** Primary Characterization Data ***
Pedon ID: 78CA033026( Lake, California )Print Date: Nov 21 2024 12:08PM
Sampled As:Cohasset VFine-loamy, mixed, mesic Ultic Palexeralf
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  78P0461
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 - - -)(- - - - - - - - % - - - - - - - -)
6N2e6O2d6P2b6Q2b6H2b6G1e5A3a5A8a5A3b5G15C35C1
 
78P025820-13A1S2.31.2tr0.64.121.825.914.51628
78P0258313-23A2S2.31.3tr0.64.215.619.813.72131
78P0258423-51B1S2.51.3tr0.74.512.90.317.413.94.862632
78P0258551-84B2S1.91.2tr0.53.611.90.215.512.23.852330
78P0258684-112Bt1S2.11.50.10.94.69.514.112.03338
78P02587112-155Bt2S2.11.10.10.94.210.014.211.33037
78P02588155-188Bt3S2.10.90.10.83.911.40.615.311.64.5132534
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 - -)%
 
78P025820-13A1S--
78P0258313-23A2S--
78P0258423-51B1S--
78P0258551-84B2S--
78P0258684-112Bt1S1
78P02587112-155Bt2S1
78P02588155-188Bt3S1


*** Primary Characterization Data ***
Pedon ID: 78CA033026( Lake, California )Print Date: Nov 21 2024 12:08PM
Sampled As:Cohasset VFine-loamy, mixed, mesic Ultic Palexeralf
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  78P0461
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
8C1e8C1a
 
78P025820-13A1S5.26.0
78P0258313-23A2S4.95.7
78P0258423-51B1S4.85.5
78P0258551-84B2S4.85.5
78P0258684-112Bt1S5.25.7
78P02587112-155Bt2S4.85.6
78P02588155-188Bt3S4.65.4


*** Primary Characterization Data ***
Pedon ID: 78CA033026( Lake, California )Print Date: Nov 21 2024 12:08PM
Sampled As:Cohasset VFine-loamy, mixed, mesic Ultic Palexeralf
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  78P0461
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
DepthFract7A2i7A3b 7C3 tion
Layer(cm)Horzion( - - - - - - - - - peak size - - - - - - - - - - )(- - - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)mg g-1
78P025820.0-13.0A1tclyKH 1CR 1 11.4 0.2
78P0258423.0-51.0B1tclyKH 1CR 1 11.4 0.2
78P0258551.0-84.0B2tclyKH 1CR 1 12.3 0.2
78P02588155.0-188.0Bt3tclyKH 2CR 2 KH 48GI 1 11.2 0.2

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CR CristobaliteGI GibbsiteKH Halloysite

RELATIVE PEAK SIZE:5 Very Large4 Large3 Medium2 Small1 Very Small6 No Peaks
NSSC SSL Report Creation