*** Primary Characterization Data ***
Pedon ID: 89MT017007( Custer, Montana )Print Date: Dec 5 2025 2:25PM

Sampled as on Apr 29, 1989:Creed ; Fine, montmorillonitic Borollic Natrargids
Revised to correlated:Creed ; Fine, smectitic Borollic Natrargid
United States Department of Agriculture
SSL-ProjectCP89MT206   CUSTER COUNTYNatural Resources Conservation Service
-Site IDS1989MT017007     MLRA: 58ANational Soil Survey Center
-Pedon No. 89P0637Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
89P03566ApAp0-13SCL CL
89P03567BtnBtN13-33SC SIC
89P03568BtknBtNk33-43SC SIC
89P03569BtkBtk43-58SC SICL
89P03570BkBk58-79SCL CL
89P035712BC2BC79-122SCL FSL
89P035722By2CY122-152CL L
Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average0.75(NA)
Clay, carbonate free, Weighted Average42% wt
Weighted Particles, 0.1-75mm, 75 mm Base5% wt
Volume, >2mm, Weighted Average0% vol
Clay, total, Weighted Average42% wt
 
Weighted averages based on control section: 13-58 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
 
89P035660-13ApScl35.243.621.214.026.716.914.35.90.60.20.2------7--
89P0356713-33BtnSsic43.141.815.126.727.514.311.23.70.2----------4--
89P0356833-43BtknSsic42.247.110.723.428.019.15.74.60.4----------5--
89P0356943-58BtkSsicl39.241.119.722.128.712.412.46.40.60.20.1tr----7--
89P0357058-79BkScl32.334.033.717.41.121.512.514.813.12.11.52.241--235
89P0357179-1222BCSfsl19.217.962.99.810.67.319.638.33.80.80.4211464
89P03572122-1522BySl26.840.632.612.816.124.512.517.81.40.50.4trtrtr20tr


*** Primary Characterization Data ***
Pedon ID: 89MT017007( Custer, Montana )Print Date: Dec 5 2025 2:25PM
Sampled As:CreedFine, montmorillonitic Borollic Natrargids
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  89P0637
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
 
89P035660-13ApS13.41.0310.810.38
89P0356713-33BtnS17.51.0380.770.41
89P0356833-43BtknS17.01.0370.730.40
89P0356943-58BtkS16.51.0330.720.42
89P0357058-79BkS14.51.0290.720.45
89P0357179-1222BCS9.91.0200.830.52
89P03572122-1522ByS12.01.0250.870.45
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
 
89P035660-13ApS1.86
89P0356713-33BtnS1.54
89P0356833-43BtknS1.39
89P0356943-58BtkS1.33
89P0357058-79BkS1.06
89P0357179-1222BCS0.70
89P03572122-1522ByS1.45


*** Primary Characterization Data ***
Pedon ID: 89MT017007( Custer, Montana )Print Date: Dec 5 2025 2:25PM
Sampled As:CreedFine, montmorillonitic Borollic Natrargids
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  89P0637
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
 
89P035660-13ApS15.810.30.80.927.84.031.828.58798
89P0356713-33BtnS18.9*13.21.40.634.13.137.233.492100
89P0356833-43BtknS27.2*14.72.20.630.7100100
89P0356943-58BtkS28.9*14.82.70.528.1100100
89P0357058-79BkS43.5*15.12.60.423.2100100
89P0357179-1222BCS32.3*12.42.30.216.0100100
89P03572122-1522ByS26.6*15.43.90.223.3100100

*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
 
89P035660-13ApS0.233
89P0356713-33BtnS0.244
89P0356833-43BtknS0.80.74.30.1--4.00.30.70.9----68.2tr0.540.3765
89P0356943-58BtkS0.60.75.00.1--3.80.20.61.4----59.9tr0.620.4396
89P0357058-79BkS1.01.06.50.1--3.30.30.64.20.1tr58.2tr0.880.52107
89P0357179-1222BCS2.23.211.10.1--2.10.61.213.0--0.450.60.11.620.73117
89P03572122-1522ByS1.42.414.50.1--2.40.72.012.7--0.463.50.11.780.891311


*** Primary Characterization Data ***
Pedon ID: 89MT017007( Custer, Montana )Print Date: Dec 5 2025 2:25PM
Sampled As:CreedFine, montmorillonitic Borollic Natrargids
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  89P0637
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
 
89P035660-13ApS6.37.0
89P0356713-33BtnS7.07.6
89P0356833-43BtknS7.88.67.82
89P0356943-58BtkS8.08.78.12
89P0357058-79BkS8.18.78.26--
89P0357179-1222BCS8.18.88.25--1100
89P03572122-1522ByS8.29.08.14--


*** Primary Characterization Data ***
Pedon ID: 89MT017007( Custer, Montana )Print Date: Dec 5 2025 2:25PM
Sampled As:CreedFine, montmorillonitic Borollic Natrargids
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  89P0637
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
89P035660.0-13.0AptclyMT 4KK 3MI 3VC 2QZ 1 216.4 2.0
89P0356833.0-43.0BtkntclyMT 4KK 3MI 3VR 2VC 1 195.7 1.7
89P0357058.0-79.0BktclyMT 3KK 3MI 2VR 1VC 1 195.3 1.5
QZ 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK KaoliniteMI MicaMT MontmorilloniteQZ QuartzVC Vermiculite-Chlorite
VR Vermiculite

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