| *** Primary Characterization Data *** |
| Pedon ID: S2018MT101502 | ( Toole, Montana ) | Print Date: Dec 8 2025 12:55PM |
| Sampled as on Jul 18, 2018: | Straw ; Fine-loamy, mixed, superactive, frigid Cumulic Haplustoll |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2019USMT050 MLRA 52 - BLM Ecological Site Development | Natural Resources Conservation Service |
| - | Site ID | S2018MT101502 Lat: 48° 31' 50.01" north Long: 112° 7' 57.49" west MLRA: 52 | National Soil Survey Center | |
| - | Pedon No. | 19N0326 | Kellogg Soil Survey Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska 68508-3866 | ||
| Layer | Horizon | Orig Hzn | Depth (cm) | Field Label 1 | Field Label 2 | Field Label 3 | Field Texture | Lab Texture |
| 19N02420 | A1 | A1 | 0-9 | S2018MT101502-1 | L | L | ||
| 19N02421 | A2 | A2 | 9-29 | S2018MT101502-2 | L | L | ||
| 19N02422 | A3 | A3 | 29-44 | S2018MT101502-3 | L | L | ||
| 19N02423 | AB | AB | 44-65 | S2018MT101502-4 | L | L | ||
| 19N02424 | 2Bw1 | 2Bw1 | 65-94 | S2018MT101502-5 | SCL | VFSL | ||
| 19N02425 | 2Bw2 | 2Bw2 | 94-138 | S2018MT101502-6 | SCL | SCL | ||
| 19N02426 | 3C | 3C | 138-205 | S2018MT101502-7 | CL | L | ||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 22 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, carbonate free, set 2, Weighted Average | 21 | % wt | |
| Clay, total, set 2, Weighted Average | 21 | % wt | |
| CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 7 | 0.64 | (NA) | |
| LE, Whole Soil, Summed to 1m | 2 | cm/m | |
| Weighted averages based on control section: 25-100 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) ) | |||||||||||||||||
| Lab | Clay | Silt | Sand | Fine | CO3 | Fine | Coarse | VF | F | M | C | VC | (- - - - - - - - Weight - - - - - - - -) | >2 mm | |||||||
| Text- | < | .002 | .05 | < | < | .002 | .02 | .05 | .10 | .25 | .5 | 1 | 2 | 5 | 20 | .1- | wt % | ||||
| Depth | ure | .002 | -.05 | -2 | .0002 | .002 | -.02 | -.05 | -.10 | -.25 | -.50 | -1 | -2 | -5 | -20 | -75 | 75 | whole | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -) | (- - - - - - - % of <75mm - - - - - -) | soil | |||||||||||||||
| 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | ||||||||||||||
| 19N02420 | 0-9 | A1 | S | l | 22.6 | 33.7 | 43.7 | 17.2 | 16.5 | 21.9 | 15.4 | 5.5 | 0.7 | 0.2 | tr | -- | -- | 22 | tr | ||
| 19N02421 | 9-29 | A2 | S | l | 20.7 | 30.1 | 49.2 | 13.8 | 16.3 | 26.3 | 16.5 | 5.2 | 1.0 | 0.2 | tr | tr | -- | 23 | tr | ||
| 19N02422 | 29-44 | A3 | S | l | 26.4 | 36.1 | 37.5 | 17.9 | 18.2 | 23.6 | 10.5 | 2.8 | 0.2 | 0.4 | tr | -- | -- | 14 | tr | ||
| 19N02423 | 44-65 | AB | S | l | 20.7 | 28.4 | 50.9 | 11.1 | 17.3 | 32.7 | 14.6 | 3.0 | 0.4 | 0.2 | tr | tr | -- | 18 | tr | ||
| 19N02424 | 65-94 | 2Bw1 | S | vfsl | 18.5 | 26.8 | 54.7 | 10.7 | 16.1 | 27.3 | 19.7 | 5.6 | 1.2 | 0.9 | 1 | tr | -- | 28 | 1 | ||
| 19N02425 | 94-138 | 2Bw2 | S | scl | 24.2 | 27.6 | 48.2 | 12.4 | 15.2 | 29.4 | 14.2 | 3.5 | 0.8 | 0.3 | 1 | tr | -- | 20 | 1 | ||
| 19N02426 | 138-205 | 3C | S | l | 26.5 | 33.8 | 39.7 | 0.9 | 19.8 | 14.0 | 16.5 | 12.4 | 6.2 | 3.0 | 1.6 | 2 | 6 | 1 | 30 | 9 | |
| *** Primary Characterization Data *** |
| Pedon ID: S2018MT101502 | ( Toole, Montana ) | Print Date: Dec 8 2025 12:55PM |
| Sampled As | : | Straw | Fine-loamy, mixed, superactive, frigid Cumulic Haplustoll | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 19N0326 | |||
| 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 ) | WRD | Aggst | ||||||||||||
| 33 | Oven | Whole | 6 | 10 | 33 | 1500 | 1500 kPa | (- - - - Ratio - - - -) | Whole | Stabl | (- - Ratio/Clay - -) | ||||||
| Depth | kPa | Dry | Soil | kPa | kPa | kPa | kPa | Moist | Corrected | Soil | 2-0.5mm | CEC7 | 1500 kPa | ||||
| Layer | (cm) | Horz | Prep | (- - - g cm-3 - - -) | (- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -) | cm3 cm-3 | % | ||||||||||
| DbWR1 | DbWR1 | DbWR1 | 3C2a1a | 3D1 | |||||||||||||
| 19N02420 | 0-9 | A1 | S | 1.14 | 1.23 | 0.026 | 19.4 | 11.6 | 1.033 | 0.09 | 0.89 | 0.51 | |||||
| 19N02421 | 9-29 | A2 | S | 1.40 | 1.45 | 0.012 | 14.6 | 8.5 | 1.026 | 0.09 | 0.73 | 0.41 | |||||
| 19N02422 | 29-44 | A3 | S | 1.24 | 1.36 | 0.031 | 18.1 | 9.6 | 1.032 | 0.11 | 0.64 | 0.36 | |||||
| 19N02423 | 44-65 | AB | S | 1.26 | 1.34 | 0.021 | 15.1 | 7.4 | 1.026 | 0.10 | 0.65 | 0.36 | |||||
| 19N02424 | 65-94 | 2Bw1 | S | 1.51 | 1.55 | 0.009 | 11.8 | 6.9 | 1.023 | 0.07 | 0.62 | 0.37 | |||||
| 19N02425 | 94-138 | 2Bw2 | S | 1.48 | 1.56 | 0.018 | 17.0 | 9.8 | 1.032 | 0.11 | 0.65 | 0.40 | |||||
| 19N02426 | 138-205 | 3C | S | 10.7 | 1.031 | 0.56 | 0.40 | ||||||||||
| Carbon & Extractions | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | -19- | |||
| (- - - - - Total - - - - -) | Est | OC | C/N | (- - - Dith-Cit Ext - - -) | (- - - - - - Ammonium Oxalate Extraction - - - - - -) | (- - - Na Pyro-Phosphate - - -) | ||||||||||||||||
| Depth | C | N | S | OC | (WB) | Ratio | Fe | Al | Mn | Al+½Fe | ODOE | Fe | Al | Si | Mn | C | Fe | Al | Mn | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - % of <2 mm - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -) | mg kg-1 | (- - - - - - % of < 2mm - - - - -) | |||||||||||||||
| 4H2a | 4H2a | 4H2a | ||||||||||||||||||||
| 19N02420 | 0-9 | A1 | S | 3.93 | 0.35 | 0.09 | 3.9 | 11 | ||||||||||||||
| 19N02421 | 9-29 | A2 | S | 1.70 | 0.18 | 0.05 | 1.7 | 9 | ||||||||||||||
| 19N02422 | 29-44 | A3 | S | 1.45 | 0.14 | 0.04 | 1.5 | 10 | ||||||||||||||
| 19N02423 | 44-65 | AB | S | 1.08 | 0.11 | 0.04 | 1.1 | 10 | ||||||||||||||
| 19N02424 | 65-94 | 2Bw1 | S | 0.55 | 0.06 | 0.02 | 0.6 | 9 | ||||||||||||||
| 19N02425 | 94-138 | 2Bw2 | S | 0.63 | 0.08 | 0.02 | 0.6 | 8 | ||||||||||||||
| 19N02426 | 138-205 | 3C | S | 1.43 | 0.06 | 0.02 | 0.6 | 10 | ||||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2018MT101502 | ( Toole, Montana ) | Print Date: Dec 8 2025 12:55PM |
| Sampled As | : | Straw | Fine-loamy, mixed, superactive, frigid Cumulic Haplustoll | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 19N0326 | |||
| CEC & Bases | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | |||
| (- - - - - - NH4OAC Extractable Bases - - - - -) | CEC8 | CEC7 | ECEC | (- - - - Base - - - -) | |||||||||||||
| Sum | Acid- | Extr | KCl | Sum | NH4 | Bases | Al | (- Saturation -) | |||||||||
| Depth | Ca | Mg | Na | K | Bases | ity | Al | Mn | Cats | OAC | +Al | Sat | Sum | NH4OAC | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -) | mg kg-1 | (- - - - cmol(+) kg-1 - - -) | (- - - - - - - - % - - - - - - - -) | ||||||||||
| 4B1a1a | 4B1a1a | 4B1a1a | 4B1a1a | 4B2b1a1 | 4B1a1a | ||||||||||||
| 19N02420 | 0-9 | A1 | S | 11.4 | 3.5 | tr | 1.9 | 16.8 | 7.7 | 24.5 | 20.1 | 69 | 84 | ||||
| 19N02421 | 9-29 | A2 | S | 7.4 | 3.1 | 0.1 | 1.0 | 11.6 | 4.7 | 16.3 | 15.2 | 71 | 76 | ||||
| 19N02422 | 29-44 | A3 | S | 9.7 | 3.8 | 0.1 | 1.0 | 14.6 | 5.8 | 20.4 | 17.0 | 72 | 86 | ||||
| 19N02423 | 44-65 | AB | S | 6.9 | 3.2 | tr | 0.8 | 10.9 | 4.2 | 15.1 | 13.4 | 72 | 81 | ||||
| 19N02424 | 65-94 | 2Bw1 | S | 7.0 | 3.3 | tr | 0.4 | 10.7 | 3.3 | 14.0 | 11.4 | 76 | 94 | ||||
| 19N02425 | 94-138 | 2Bw2 | S | 9.5 | 5.1 | 0.1 | 0.5 | 15.2 | 3.2 | 18.4 | 15.7 | 83 | 97 | ||||
| 19N02426 | 138-205 | 3C | S | 34.9* | 6.7 | 0.1 | 0.4 | 42.1 | 14.9 | 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 | ||||||||||||||||||||||
| Total | Elec | Elec | Exch | ||||||||||||||||||||
| Depth | Ca | Mg | Na | K | CO3 | HCO3 | F | Cl | PO4 | Br | OAC | SO4 | NO2 | NO3 | H2O | Salts | Cond | Cond | Na | SAR | |||
| Layer | (cm) | Horz | Prep | (- - - - - mmol(+) L-1 - - - - -) | (- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -) | (- - - - % - - - -) | (- - dS m-1 - -) | % | |||||||||||||||
| 4F1a1a1 | |||||||||||||||||||||||
| 19N02420 | 0-9 | A1 | S | 0.22 | tr | ||||||||||||||||||
| 19N02421 | 9-29 | A2 | S | 0.10 | tr | ||||||||||||||||||
| 19N02422 | 29-44 | A3 | S | 0.08 | 1 | ||||||||||||||||||
| 19N02423 | 44-65 | AB | S | 0.06 | tr | ||||||||||||||||||
| 19N02424 | 65-94 | 2Bw1 | S | 0.05 | tr | ||||||||||||||||||
| 19N02425 | 94-138 | 2Bw2 | S | 0.06 | tr | ||||||||||||||||||
| 19N02426 | 138-205 | 3C | S | 0.15 | 1 | ||||||||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2018MT101502 | ( Toole, Montana ) | Print Date: Dec 8 2025 12:55PM |
| Sampled As | : | Straw | Fine-loamy, mixed, superactive, frigid Cumulic Haplustoll | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 19N0326 | |||
| pH & Carbonates | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | |||
| (- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -) | (- - Carbonate - -) | (- - Gypsum - - -) | ||||||||||||
| CaCl2 | As CaCO3 | As CaSO4*2H2O | Resist | |||||||||||
| Depth | 0.01M | H2O | Sat | <2mm | <20mm | <2mm | <20mm | ohms | ||||||
| Layer | (cm) | Horz | Prep | KCl | 1:2 | 1:1 | Paste | Oxid | NaF | (- - - - - - - - - - - - % - - - - - - - - - - -) | cm-1 | |||
| 4C1a2a | 4C1a2a | 4E1a1a1a1 | ||||||||||||
| 19N02420 | 0-9 | A1 | S | 5.9 | 6.8 | |||||||||
| 19N02421 | 9-29 | A2 | S | 5.7 | 6.4 | |||||||||
| 19N02422 | 29-44 | A3 | S | 6.0 | 6.7 | |||||||||
| 19N02423 | 44-65 | AB | S | 6.1 | 6.9 | |||||||||
| 19N02424 | 65-94 | 2Bw1 | S | 6.2 | 7.0 | |||||||||
| 19N02425 | 94-138 | 2Bw2 | S | 6.4 | 7.2 | |||||||||
| 19N02426 | 138-205 | 3C | S | 7.9 | 8.5 | 7 | ||||||||