*** Primary Characterization Data ***
Pedon ID: 90MT015791( Chouteau, Montana )Print Date: Oct 31 2024 6:38PM

Sampled as on Sep 29, 1990:Waltham ; Fine, montmorillonitic Typic Natriboralfs
Revised to correlated:Waltham ; Fine, smectitic Typic Natriboralf
United States Department of Agriculture
SSL-ProjectRP91MT053   CHOUTEAU COUNTYNatural Resources Conservation Service
-Site IDS1990MT015791   Lat: 47° 38' 20.00" north  Long: 110° 35' 37.99" west  MLRA: 52National Soil Survey Center
-Pedon No. 91P0202Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866

LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
91P01249EE0-5L L
91P01250Bt1Bt15-15C C
91P01251Bt2Bt215-28C C
91P01252BtkBtk28-46CL SIC
91P01253Bky1BkY146-76CL L
91P01254Bky2BkY276-112CL SIL
91P01255Byz1BYZ1112-152CL L
91P01256Byz2BYZ2152-203CL L

Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average0.57(NA)
Clay, carbonate free, Weighted Average51% wt
Weighted Particles, 0.1-75mm, 75 mm Base3% wt
Volume, >2mm, Weighted Average0% vol
Clay, total, Weighted Average53% wt
 
Weighted averages based on control section: 5-46 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
3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3B13B13B1
 
91P012490-5ESl23.449.327.37.832.117.211.110.14.51.20.412--193
91P012505-15Bt1Sc63.430.16.542.619.710.41.82.91.30.30.2trtr--5
91P0125115-28Bt2Sc61.532.56.041.923.29.32.41.91.10.40.2trtr--4
91P0125228-46BtkSsic41.552.75.820.34.337.315.43.81.30.50.2trtr----2
91P0125346-76Bky1Sl21.346.532.211.9--21.225.316.911.42.90.70.321--193
91P0125476-112Bky2Ssil21.851.326.910.430.520.811.310.73.70.80.4tr1--171
91P01255112-152Byz1Sl22.446.930.710.826.420.512.212.44.71.00.415--236
91P01256152-203Byz2Sl22.643.034.410.426.616.412.413.95.41.61.123--265


*** Primary Characterization Data ***
Pedon ID: 90MT015791( Chouteau, Montana )Print Date: Oct 31 2024 6:38PM
Sampled As:WalthamFine, montmorillonitic Typic Natriboralfs
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0202

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%
3C2a1a3D13F1a1a8D18D1
 
91P012490-5ES7.71.011350.500.33
91P012505-15Bt1S23.11.0370.550.36
91P0125115-28Bt2S23.51.0390.580.38
91P0125228-46BtkS15.41.0230.510.37
91P0125346-76Bky1S8.71.0160.610.41
91P0125476-112Bky2S8.81.0160.630.40
91P01255112-152Byz1S10.61.0170.660.47
91P01256152-203Byz2S10.31.0170.630.46

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 - - - - -)
6A1c
 
91P012490-5ES1.64
91P012505-15Bt1S1.28
91P0125115-28Bt2S1.03
91P0125228-46BtkS0.91
91P0125346-76Bky1S0.35
91P0125476-112Bky2S0.36
91P01255112-152Byz1S0.41
91P01256152-203Byz2S0.23


*** Primary Characterization Data ***
Pedon ID: 90MT015791( Chouteau, Montana )Print Date: Oct 31 2024 6:38PM
Sampled As:WalthamFine, montmorillonitic Typic Natriboralfs
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0202

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 - - -)(- - - - - - - - % - - - - - - - -)
6N2e6O2d6P2b6Q2b5A3a5A8b5C35C1
 
91P012490-5ES8.2*3.70.40.612.912.911.8100100
91P012505-15Bt1S15.6*16.02.11.635.335.335.0100100
91P0125115-28Bt2S15.0*17.92.91.237.037.035.8100100
91P0125228-46BtkS48.6*13.52.70.521.1100100
91P0125346-76Bky1S44.1*8.41.80.213.0100100
91P0125476-112Bky2S49.0*7.72.00.213.8100100
91P01255112-152Byz1S42.0*7.72.20.214.8100100
91P01256152-203Byz2S46.3*6.01.80.214.2100100

*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.
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 - -)%
6N1b6O1b6P1b6Q1b6I1b6J1b6U1a6K1c6L1c6W1a6M1c8A8D58A3a4F1a1a15E
 
91P012490-5ES3.24.34.90.4--8.40.21.01.9----39.6tr1.190.3423
91P012505-15Bt1S0.246
91P0125115-28Bt2S1.01.45.90.1--2.10.33.72.1----79.3tr0.860.4375
91P0125228-46BtkS0.1213
91P0125346-76Bky1S26.920.520.20.4--1.21.112.351.9----47.60.24.482.9364
91P0125476-112Bky2S25.715.021.50.3--1.410.844.50.546.50.24.392.3575
91P01255112-152Byz1S25.110.220.00.2--1.43.945.8--49.60.13.812.4385
91P01256152-203Byz2S26.27.218.30.3--1.42.044.21.3--45.50.13.532.5374


*** Primary Characterization Data ***
Pedon ID: 90MT015791( Chouteau, Montana )Print Date: Oct 31 2024 6:38PM
Sampled As:WalthamFine, montmorillonitic Typic Natriboralfs
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0202

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
4C1a2a4C1a2a8C1b6E1g4E2a1a1a18E1
 
91P012490-5ES6.57.07.0
91P012505-15Bt1S6.47.1
91P0125115-28Bt2S6.97.67.4
91P0125228-46BtkS7.78.416
91P0125346-76Bky1S7.77.87.710tr
91P0125476-112Bky2S7.67.77.710--530
91P01255112-152Byz1S7.58.47.67tr
91P01256152-203Byz2S7.58.37.66tr


*** Primary Characterization Data ***
Pedon ID: 90MT015791( Chouteau, Montana )Print Date: Oct 31 2024 6:38PM
Sampled As:WalthamFine, montmorillonitic Typic Natriboralfs
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0202

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
DepthFract7A2i 7C3 tion
Layer(cm)Horzion( - - - - - - - - - peak size - - - - - - - - - - )(- - - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)mg g-1
91P012490.0-5.0EtclyMI 3KK 2MT 2CL 1 178.1 3.0
91P0125115.0-28.0Bt2tclyMI 4MT 3KK 2QZ 1 2510.7 3.6

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CL ChloriteKK KaoliniteMI MicaMT MontmorilloniteQZ Quartz

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