*** Primary Characterization Data ***
Pedon ID: 91MT021001B( Dawson, Montana )Print Date: Dec 8 2025 5:05PM

Sampled as :Cherry ; Fine-silty, mixed, frigid Typic Ustochrept
Revised to correlated:Cherry ; Fine-silty, mixed, superactive, frigid Typic Ustochrept
United States Department of Agriculture
SSL-ProjectCP91MT214   WEPS MONTANANatural Resources Conservation Service
-Site ID91MT021001B   Lat: 47° 12' 46.00" north  Long: 105° 11' 21.00" west  MLRA: 58ANational Soil Survey Center
-Pedon No. 91P0900Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
91P05480Ap1Ap10-15SICL
91P05481Ap2Ap215-20SICL
91P05482BwBw20-40SICL
91P05483BkBk40-60SICL
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
 
91P054800-15Ap1Ssicl28.760.311.09.044.515.87.72.70.30.20.1trtr--3
91P0548115-20Ap2Ssicl30.060.99.110.01.346.714.26.91.80.30.1trtrtr--2
91P0548220-40BwSsicl35.155.29.71.641.214.07.12.20.20.10.1------3
91P0548340-60BkSsicl33.654.312.12.239.714.68.72.80.30.20.1trtr--3
Water Dispersible PSDA-1--2--3--4--5--6--7--8--9--10--11--12-
 
(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Dispersible - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)
(- - - - - Total - - - - - -)(- - Clay - - -)(- - - - Silt - - - - -)(- - - - - - - - - - - - Sand - - - - - - - - - - - -)
ClaySiltSandFCO3FCVFFMCVC
<.002.05<<.002.02.05.10.25.51
Depth.002-.05-2.0002.002-.02-.05-.10-.25-.50-1-2
Layer(cm)HorzPrep(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)
3A1a6a3A1a6a3A1a6a3A1a6a3A1a6a3A1a6a3A1a6a3A1a6a3A1a6a3A1a6a
 
91P054800-15Ap1S12.172.515.454.318.210.53.80.70.20.2
91P0548115-20Ap2S13.072.214.854.917.29.14.40.90.30.1


*** Primary Characterization Data ***
Pedon ID: 91MT021001B( Dawson, Montana )Print Date: Dec 8 2025 5:05PM
Sampled As:CherryFine-silty, mixed, frigid Typic Ustochrept
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0900
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
 
91P054800-15Ap1S10.01.0220.490.35
91P0548115-20Ap2S1.361.480.02922.710.81.0230.160.480.36
91P0548220-40BwS1.341.420.02024.211.31.0220.170.420.32
91P0548340-60BkS1.341.440.02420.910.61.0200.140.370.32
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
 
91P054800-15Ap1S16.6
91P0548115-20Ap2S17.4
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 - - - - -)
6B3a6A1c
 
91P054800-15Ap1S0.1581.29
91P0548115-20Ap2S0.1411.24
91P0548220-40BwS0.82
91P0548340-60BkS0.63


*** Primary Characterization Data ***
Pedon ID: 91MT021001B( Dawson, Montana )Print Date: Dec 8 2025 5:05PM
Sampled As:CherryFine-silty, mixed, frigid Typic Ustochrept
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0900
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 - - -)(- - - - - - - - % - - - - - - - -)
6N2e6O2d6P2b6Q2b5A8b5C35C1
 
91P054800-15Ap1S41.7*5.5--0.714.1100100
91P0548115-20Ap2S45.7*5.7--0.514.4100100
91P0548220-40BwS45.3*8.40.10.314.6100100
91P0548340-60BkS44.9*11.20.30.212.4100100

*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
 
91P054800-15Ap1S5.21.50.20.4--4.10.20.8--2.042.8tr0.75--tr
91P0548115-20Ap2S4.01.40.20.2--4.00.10.80.4--47.1tr0.57--tr
91P0548220-40BwS5.54.30.70.1--2.70.30.32.12.13.447.2tr1.060.251tr
91P0548340-60BkS4.56.01.90.1--2.10.30.42.81.26.043.6tr1.220.2521
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
4C1a2a4C1a2a8C1b6E1g4E2a1a1a1
 
91P054800-15Ap1S7.67.97.712--
91P0548115-20Ap2S7.78.07.812--
91P0548220-40BwS7.88.17.816
91P0548340-60BkS8.08.37.918
NSSC SSL Report Creation