| *** Primary Characterization Data *** |
| Pedon ID: S2018MT071601 | ( Phillips, Montana ) | Print Date: Dec 6 2025 1:31AM |
| Sampled as on Jul 25, 2018: | Mckenzie ; Fine, smectitic, unclassified, frigid Chromic Endoaquert |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2019USMT050 MLRA 52 - BLM Ecological Site Development | Natural Resources Conservation Service |
| - | Site ID | S2018MT071601 Lat: 47° 45' 54.07" north Long: 107° 51' 35.51" west MLRA: 52 | National Soil Survey Center | |
| - | Pedon No. | 19N0322 | 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 |
| 19N02394 | A | A | 0-4 | S2018MT071601-1 | SIC | SIC | ||
| 19N02395 | Btz1 | Btz1 | 4-29 | S2018MT071601-2 | SIC | C | ||
| 19N02396 | Btz2 | Btz2 | 29-44 | S2018MT071601-3 | SIC | C | ||
| 19N02397 | Bz | Bz | 44-120 | S2018MT071601-4 | SIC | C | ||
| 19N02398 | Bkz | Bkz | 120-150 | S2018MT071601-5 | C | CL | ||
| 19N02399 | Ckz | Ckz | 150-180 | S2018MT071601-6 | C | CL | ||
| 19N02400 | 2Ck | 2Ck | 180-198 | S2018MT071601-7 | SR-FSL SCL | SCL | ||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 6 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, carbonate free, set 2, Weighted Average | 52 | % wt | |
| Clay, total, set 2, Weighted Average | 52 | % wt | |
| CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 7 | 0.46 | (NA) | |
| Weighted averages based on control section: 9-44 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 | ||||||||||||||
| 19N02394 | 0-4 | A | S | sic | 41.1 | 43.1 | 15.8 | 33.2 | 9.9 | 6.0 | 5.0 | 2.3 | 1.0 | 1.5 | 2 | 7 | tr | 18 | 9 | ||
| 19N02395 | 4-29 | Btz1 | S | c | 53.7 | 36.0 | 10.3 | 29.2 | 6.8 | 4.5 | 3.7 | 1.5 | 0.5 | 0.1 | tr | tr | -- | 6 | tr | ||
| 19N02396 | 29-44 | Btz2 | S | c | 49.3 | 38.3 | 12.4 | 29.1 | 9.2 | 6.3 | 3.6 | 1.9 | 0.4 | 0.2 | 1 | tr | -- | 7 | 1 | ||
| 19N02397 | 44-120 | Bz | S | c | 48.9 | 37.2 | 13.9 | 27.8 | 9.4 | 5.1 | 5.1 | 2.7 | 0.6 | 0.4 | tr | tr | -- | 9 | tr | ||
| 19N02398 | 120-150 | Bkz | S | cl | 36.9 | 31.9 | 31.2 | 19.6 | 12.3 | 11.1 | 11.5 | 6.3 | 1.7 | 0.6 | 1 | tr | -- | 21 | 1 | ||
| 19N02399 | 150-180 | Ckz | S | cl | 31.3 | 31.8 | 36.9 | 0.9 | 19.1 | 12.7 | 12.9 | 14.0 | 7.0 | 2.1 | 0.9 | 1 | 1 | -- | 26 | 2 | |
| 19N02400 | 180-198 | 2Ck | S | scl | 20.2 | 19.4 | 60.4 | 0.3 | 11.7 | 7.7 | 15.5 | 23.2 | 16.8 | 3.5 | 1.4 | 2 | 2 | -- | 47 | 4 | |
| *** Primary Characterization Data *** |
| Pedon ID: S2018MT071601 | ( Phillips, Montana ) | Print Date: Dec 6 2025 1:31AM |
| Sampled As | : | Mckenzie | Fine, smectitic, unclassified, frigid Chromic Endoaquert | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 19N0322 | |||
| 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 | 4E2a1a1a1 | ||||||||||||
| 19N02394 | 0-4 | A | S | 13.0 | 1.032 | 1.032 | 0.42 | 0.32 | |||||||||
| 19N02395 | 4-29 | Btz1 | S | 1.39 | 1.62 | 0.052 | 25.5 | 17.1 | 1.046 | 0.12 | 0.45 | 0.32 | |||||
| 19N02396 | 29-44 | Btz2 | S | 1.34 | 1.61 | 0.063 | 27.1 | 16.7 | 1.044 | 1.044 | 0.14 | 0.47 | 0.34 | ||||
| 19N02397 | 44-120 | Bz | S | 1.38 | 1.53 | 0.035 | 24.5 | 16.3 | 1.048 | 1.048 | 0.11 | 0.48 | 0.33 | ||||
| 19N02398 | 120-150 | Bkz | S | 14.5 | 1.040 | 1.040 | 0.52 | 0.39 | |||||||||
| 19N02399 | 150-180 | Ckz | S | 13.6 | 1.031 | 1.031 | 0.54 | 0.43 | |||||||||
| 19N02400 | 180-198 | 2Ck | S | 9.0 | 1.021 | 1.021 | 0.57 | 0.45 | |||||||||
| 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 | ||||||||||||||||||||
| 19N02394 | 0-4 | A | S | 0.40 | 0.07 | 0.07 | 0.4 | 6 | ||||||||||||||
| 19N02395 | 4-29 | Btz1 | S | 0.42 | 0.08 | 0.05 | 0.4 | 5 | ||||||||||||||
| 19N02396 | 29-44 | Btz2 | S | 0.33 | 0.06 | 0.05 | 0.3 | 5 | ||||||||||||||
| 19N02397 | 44-120 | Bz | S | 0.27 | 0.07 | 0.36 | 0.3 | 4 | ||||||||||||||
| 19N02398 | 120-150 | Bkz | S | 0.23 | 0.04 | 0.29 | 0.2 | 4 | ||||||||||||||
| 19N02399 | 150-180 | Ckz | S | 0.85 | 0.04 | 0.26 | 0.2 | 6 | ||||||||||||||
| 19N02400 | 180-198 | 2Ck | S | 0.86 | 0.03 | 0.14 | 0.2 | 6 | ||||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2018MT071601 | ( Phillips, Montana ) | Print Date: Dec 6 2025 1:31AM |
| Sampled As | : | Mckenzie | Fine, smectitic, unclassified, frigid Chromic Endoaquert | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 19N0322 | |||
| 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 | ||||||||||||
| 19N02394 | 0-4 | A | S | 4.6 | 7.4 | 2.3 | 1.6 | 15.9 | 4.3 | 20.2 | 17.2 | 79 | 92 | ||||
| 19N02395 | 4-29 | Btz1 | S | 7.2 | 10.8 | 3.7 | 2.0 | 23.7 | 4.5 | 28.2 | 24.3 | 84 | 98 | ||||
| 19N02396 | 29-44 | Btz2 | S | 6.1* | 11.6 | 5.6 | 1.6 | 24.9 | 2.9 | 27.8 | 23.3 | 90 | 100 | ||||
| 19N02397 | 44-120 | Bz | S | 24.2* | 15.6 | 9.2 | 1.6 | 50.6 | 4.1 | 54.7 | 23.4 | 93 | 100 | ||||
| 19N02398 | 120-150 | Bkz | S | 14.1* | 17.2 | 11.2 | 1.0 | 43.5 | 0.4 | 43.9 | 19.2 | 99 | 100 | ||||
| 19N02399 | 150-180 | Ckz | S | 34.3* | 16.2 | 10.5 | 0.6 | 61.6 | 16.8 | 100 | |||||||
| 19N02400 | 180-198 | 2Ck | S | 31.6* | 11.7 | 7.3 | 0.3 | 50.9 | 11.5 | 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 - -) | % | |||||||||||||||
| 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F1a1a1 | |||||||
| 19N02394 | 0-4 | A | S | 0.1 | 0.2 | 6.0 | 0.1 | 0.1 | 2.1 | 0.3 | -- | tr | 2.3 | 0.1 | 1.0 | 63.7 | 0.55 | 11 | 16 | ||||
| 19N02395 | 4-29 | Btz1 | S | 0.2 | 0.1 | 4.6 | 0.1 | -- | 0.9 | tr | 0.8 | 0.9 | -- | tr | 2.2 | 0.1 | 0.1 | 82.4 | 0.50 | 0.32 | 14 | 11 | |
| 19N02396 | 29-44 | Btz2 | S | 1.3 | 1.9 | 19.4 | 0.2 | -- | 1.4 | 0.2 | 1.7 | 1.8 | -- | -- | 19.1 | -- | 0.1 | 63.2 | 2.22 | 0.89 | 19 | 15 | |
| 19N02397 | 44-120 | Bz | S | 21.9 | 39.2 | 72.0 | 0.6 | -- | 0.9 | -- | 3.5 | -- | -- | -- | 128.2 | -- | -- | 61.2 | 9.44 | 4.25 | 21 | 13 | |
| 19N02398 | 120-150 | Bkz | S | 18.9 | 43.4 | 84.0 | 0.5 | -- | 1.2 | 0.9 | 3.4 | -- | -- | -- | 140.2 | -- | -- | 166.0 | 10.42 | 4.87 | -- | 15 | |
| 19N02399 | 150-180 | Ckz | S | 19.9 | 47.0 | 93.3 | 0.5 | -- | 1.1 | -- | 4.1 | -- | -- | -- | 154.1 | -- | -- | 64.6 | 11.69 | 4.49 | 27 | 16 | |
| 19N02400 | 180-198 | 2Ck | S | 9.8 | 28.3 | 91.6 | 0.4 | -- | 1.3 | -- | 4.4 | -- | -- | -- | 114.1 | -- | -- | 54.0 | 9.41 | 3.05 | 20 | 21 | |
| *** Primary Characterization Data *** |
| Pedon ID: S2018MT071601 | ( Phillips, Montana ) | Print Date: Dec 6 2025 1:31AM |
| Sampled As | : | Mckenzie | Fine, smectitic, unclassified, frigid Chromic Endoaquert | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 19N0322 | |||
| 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 | 4F2 | 4E1a1a1a1 | 4E2a1a1a1 | ||||||||||
| 19N02394 | 0-4 | A | S | 6.7 | 7.7 | 7.0 | -- | |||||||
| 19N02395 | 4-29 | Btz1 | S | 7.1 | 8.1 | 7.5 | -- | |||||||
| 19N02396 | 29-44 | Btz2 | S | 7.6 | 8.1 | 7.4 | -- | -- | ||||||
| 19N02397 | 44-120 | Bz | S | 7.7 | 7.7 | 7.3 | -- | -- | ||||||
| 19N02398 | 120-150 | Bkz | S | 8.5 | 8.5 | 8.1 | tr | -- | ||||||
| 19N02399 | 150-180 | Ckz | S | 8.7 | 8.8 | 8.3 | 5 | -- | ||||||
| 19N02400 | 180-198 | 2Ck | S | 8.8 | 9.0 | 8.5 | 6 | -- | ||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2018MT071601 | ( Phillips, Montana ) | Print Date: Dec 6 2025 1:31AM |
| Sampled As | : | Mckenzie | Fine, smectitic, unclassified, frigid Chromic Endoaquert | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 19N0322 | |||
| Clay Mineralogy (<.002 mm) | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | |||
| X-Ray | Thermal | Elemental | EGME | Inter | |||||||||||||||||
| SiO2 | Al2O3 | Fe2O3 | MgO | CaO | K2O | Na2O | Retn | preta | |||||||||||||
| Depth | Fract | 7A1b1 | tion | ||||||||||||||||||
| Layer | (cm) | Horz | ion | ( - - - - - - - - - peak size - - - - - - - - - - ) | (- - - - - - - - - % - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -) | mg g-1 | ||||||||||||||
| 19N02395 | 4.0-29.0 | Btz1 | tcly | MI 2 | FK 2 | KK 1 | CMIX | ||||||||||||||
| FRACTION INTERPRETATION: | ||||
| tcly - Total Clay <0.002 mm | ||||
| MINERAL INTERPRETATION: | ||||
| FK Potassium Feldspar | KK Kaolinite | MI Mica | ||
| RELATIVE PEAK SIZE: | 5 Very Large | 4 Large | 3 Medium | 2 Small | 1 Very Small | 6 No Peaks |
| INTERPRETATION (BY HORIZON): | ||||
| CMIX - Mixed Clay | ||||