*** Primary Characterization Data ***
Pedon ID: 90MT097013( Sweet Grass, Montana )Print Date: Nov 21 2024 2:07PM

Sampled as on Apr 30, 1990:Linwell ; Clayey over loamy-skeletal, montmorillonitic
Revised to :
United States Department of Agriculture
SSL-ProjectRP91MT068   SWEET GRASS COUNTY BULK DENSITYNatural Resources Conservation Service
-Site IDS1990MT097013   Lat: 45° 45' 33.70" north  Long: 109° 46' 42.86" westNational Soil Survey Center
-Pedon No. 91P0259Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
91P01579AA0-20CL CL
91P01580Bt1Bt120-41SIC C
91P01581Bt2Bt241-69SIC C
91P015822Bk2Bk69-107SCL SCL
91P015832C2C107-152COS COS
Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average0.72(NA)
Clay, carbonate free, Weighted Average62% wt
Weighted Particles, 0.1-75mm, 75 mm Base7% wt
Volume, >2mm, Weighted Average3% vol
Clay, total, Weighted Average62% wt
 
Weighted averages based on control section: 20-69 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
3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3B13B13B1
 
91P015790-20AScl34.336.229.522.114.19.99.55.32.72.146--2815
91P0158020-41Bt1Sc64.925.49.718.66.84.02.41.51.10.7------65
91P0158141-69Bt2Sc60.227.911.920.47.54.32.41.91.61.7------85
91P0158269-1072BkSscl20.26.673.20.34.71.93.613.425.217.413.61742--8867
91P01583107-1522CScos5.34.090.72.21.82.817.541.717.111.61342--9564


*** Primary Characterization Data ***
Pedon ID: 90MT097013( Sweet Grass, Montana )Print Date: Nov 21 2024 2:07PM
Sampled As:LinwellClayey over loamy-skeletal, montmorillonitic
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0259
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%
3C2a1a3D18D18D1
 
91P015790-20AS18.81.0310.980.55
91P0158020-41Bt1S27.51.0530.720.42
91P0158141-69Bt2S26.01.0490.720.43
91P0158269-1072BkS9.01.0200.870.45
91P01583107-1522CS4.21.0101.660.79
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
 
91P015790-20AS3.50
91P0158020-41Bt1S0.96
91P0158141-69Bt2S0.87
91P0158269-1072BkS0.24
91P01583107-1522CS0.05
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 - - -)(- - - - - - - - % - - - - - - - -)
6N2e6O2d6P2b6Q2b6H5a5A3a5A8b5C35C1
 
91P015790-20AS22.48.40.11.532.46.038.433.58497
91P0158020-41Bt1S27.016.50.31.245.03.948.946.99296
91P0158141-69Bt2S25.8*16.30.51.1--43.1100100
91P0158269-1072BkS40.7*9.00.60.417.5100100
91P01583107-1522CS20.2*4.10.40.18.8100100

*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.


*** Primary Characterization Data ***
Pedon ID: 90MT097013( Sweet Grass, Montana )Print Date: Nov 21 2024 2:07PM
Sampled As:LinwellClayey over loamy-skeletal, montmorillonitic
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0259
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 - -)%
 
91P015790-20AStr
91P0158020-41Bt1S1
91P0158141-69Bt2S1
91P0158269-1072BkS3
91P01583107-1522CS5
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
4C1a2a4C1a2a6E1g
 
91P015790-20AS6.06.6
91P0158020-41Bt1S6.67.3
91P0158141-69Bt2S7.27.9tr
91P0158269-1072BkS7.68.15
91P01583107-1522CS7.78.41


*** Primary Characterization Data ***
Pedon ID: 90MT097013( Sweet Grass, Montana )Print Date: Nov 21 2024 2:07PM
Sampled As:LinwellClayey over loamy-skeletal, montmorillonitic
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0259
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
91P015790.0-20.0AtclyMI 3MT 3QZ 1KK 1 189.2 3.3
91P0158141.0-69.0Bt2tclyMT 3MI 3KK 1CL 1QZ 1 209.0 3.0

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