| *** Primary Characterization Data *** |
| Pedon ID: S2021MT095705 | ( Stillwater, Montana ) | Print Date: Dec 6 2025 4:41AM |
| Sampled as on Aug 3, 2021: | Grail ; Fine, smectitic, frigid Pachic Vertic Argiustoll |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2022USMT016 UMRWP Montana Region 5 | Natural Resources Conservation Service |
| - | Site ID | S2021MT095705 Lat: 45° 33' 22.93" north Long: 109° 36' 41.44" west MLRA: 46 | National Soil Survey Center | |
| - | Pedon No. | 22N0085 | 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 |
| 22N00453 | A | A | 0-13 | S2021MT095705-1 | CL | C | ||
| 22N00454 | Btk | Btk | 13-30 | S2021MT095705-2 | CL | C | ||
| 22N00455 | Bk1 | Bk1 | 30-57 | S2021MT095705-3 | CL | CL | ||
| 22N00456 | Bk2 | Bk2 | 57-84 | S2021MT095705-4 | CL | SIC | ||
| 22N00457 | BC | BC | 84-129 | S2021MT095705-5 | L | L | ||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 22 | % wt | |
| Volume, >2mm, Weighted Average | 4 | % vol | |
| Clay, carbonate free, set 2, Weighted Average | 40 | % wt | |
| Clay, total, set 2, Weighted Average | 40 | % wt | |
| CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 8 | 1.11 | (NA) | |
| LE, Whole Soil, Summed to 1m | 7 | cm/m | |
| Weighted averages based on control section: 13-57 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 | ||||||||||||||
| 22N00453 | 0-13 | A | S | c | 45.6 | 27.2 | 27.2 | 26.6 | 16.1 | 11.1 | 10.5 | 12.0 | 3.3 | 0.9 | 0.5 | 4 | 3 | 1 | 23 | 8 | |
| 22N00454 | 13-30 | Btk | S | c | 44.2 | 31.5 | 24.3 | 14.1 | 19.9 | 11.6 | 7.8 | 9.4 | 3.6 | 2.0 | 1.5 | 4 | 1 | 1 | 22 | 6 | |
| 22N00455 | 30-57 | Bk1 | S | cl | 38.1 | 40.7 | 21.2 | 28.5 | 12.2 | 6.6 | 5.3 | 3.3 | 3.0 | 3.0 | 6 | 3 | -- | 22 | 9 | ||
| 22N00456 | 57-84 | Bk2 | S | sic | 40.2 | 46.9 | 12.9 | 30.6 | 16.3 | 8.6 | 3.2 | 0.6 | 0.3 | 0.2 | -- | -- | -- | 4 | -- | ||
| 22N00457 | 84-129 | BC | S | l | 21.9 | 48.5 | 29.6 | 26.6 | 21.9 | 20.6 | 8.1 | 0.7 | 0.1 | 0.1 | 21 | tr | -- | 28 | 21 | ||
| *** Primary Characterization Data *** |
| Pedon ID: S2021MT095705 | ( Stillwater, Montana ) | Print Date: Dec 6 2025 4:41AM |
| Sampled As | : | Grail | Fine, smectitic, frigid Pachic Vertic Argiustoll | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 22N0085 | |||
| 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 | |||||||||||||
| 22N00453 | 0-13 | A | S | 1.13 | 1.42 | 0.076 | 34.7 | 20.6 | 1.041 | 0.15 | 0.96 | 0.45 | |||||
| 22N00454 | 13-30 | Btk | S | 1.24 | 1.53 | 0.070 | 33.6 | 19.8 | 1.047 | 0.17 | 1.06 | 0.45 | |||||
| 22N00455 | 30-57 | Bk1 | S | 1.40 | 1.64 | 0.051 | 26.3 | 17.2 | 1.043 | 0.12 | 1.14 | 0.45 | |||||
| 22N00456 | 57-84 | Bk2 | S | 1.42 | 1.80 | 0.082 | 29.4 | 19.4 | 1.046 | 0.14 | 1.17 | 0.48 | |||||
| 22N00457 | 84-129 | BC | S | 1.49 | 1.81 | 0.057 | 25.5 | 16.3 | 1.043 | 0.12 | 2.07 | 0.74 | |||||
| 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 | 4G1 | 4G1 | 4G1 | 4G4 | 4G4 | 4G4 | 4G4 | 4G4 | ||||||||||||
| 22N00453 | 0-13 | A | S | 2.65 | 0.28 | 0.02 | 2.6 | 9 | 1.0 | 0.2 | 0.1 | 0.29 | 0.04 | 0.19 | 0.19 | 0.07 | 844.0 | |||||
| 22N00454 | 13-30 | Btk | S | 1.26 | 0.15 | 0.01 | 1.0 | 7 | 1.1 | 0.2 | 0.1 | 0.34 | 0.03 | 0.20 | 0.24 | 0.07 | 1104.5 | |||||
| 22N00455 | 30-57 | Bk1 | S | 1.68 | 0.11 | -- | 0.3 | 2 | 0.6 | 0.1 | 0.1 | 0.23 | 0.02 | 0.12 | 0.17 | 0.07 | 595.0 | |||||
| 22N00456 | 57-84 | Bk2 | S | 1.28 | 0.07 | -- | 0.2 | 3 | 0.5 | 0.1 | tr | 0.17 | 0.01 | 0.09 | 0.13 | 0.05 | 195.6 | |||||
| 22N00457 | 84-129 | BC | S | 0.42 | 0.08 | -- | 0.2 | 2 | 0.6 | 0.1 | tr | 0.19 | 0.01 | 0.13 | 0.13 | 0.06 | 227.7 | |||||
| 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 | 4B1a1a | |||||||||||||
| 22N00453 | 0-13 | A | S | 51.8* | 9.0 | tr | 1.8 | 62.6 | 44.0 | 100 | |||||||
| 22N00454 | 13-30 | Btk | S | 46.2* | 12.8 | 0.1 | 0.9 | 60.0 | 46.9 | 100 | |||||||
| 22N00455 | 30-57 | Bk1 | S | 71.1* | 15.0 | 0.3 | 0.7 | 87.1 | 43.6 | 100 | |||||||
| 22N00456 | 57-84 | Bk2 | S | 70.9* | 25.4 | 1.8 | 0.8 | 98.9 | 47.0 | 100 | |||||||
| 22N00457 | 84-129 | BC | S | 49.6* | 19.6 | 2.5 | 0.8 | 72.5 | 45.3 | 100 | |||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2021MT095705 | ( Stillwater, Montana ) | Print Date: Dec 6 2025 4:41AM |
| Sampled As | : | Grail | Fine, smectitic, frigid Pachic Vertic Argiustoll | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 22N0085 | |||
| 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 | |||||||
| 22N00453 | 0-13 | A | S | 7.3 | 2.5 | 0.2 | 0.2 | -- | 7.9 | tr | 0.5 | 0.2 | -- | 0.2 | 0.4 | tr | 0.1 | 76.2 | 0.87 | 0.39 | tr | tr | |
| 22N00454 | 13-30 | Btk | S | 4.0 | 1.6 | 0.4 | tr | -- | 4.7 | tr | 0.2 | 0.1 | -- | 0.3 | 0.2 | tr | 0.1 | 68.6 | 0.52 | 0.31 | tr | tr | |
| 22N00455 | 30-57 | Bk1 | S | 2.3 | 1.3 | 0.7 | tr | -- | 3.4 | tr | 0.2 | 0.1 | -- | 0.1 | 0.2 | tr | 0.1 | 62.5 | 0.40 | 0.22 | 1 | 1 | |
| 22N00456 | 57-84 | Bk2 | S | 1.2 | 0.8 | 2.7 | tr | -- | 3.4 | 0.1 | 0.2 | 0.2 | -- | tr | 0.3 | 0.1 | 0.2 | 71.7 | 0.40 | 0.24 | 3 | 3 | |
| 22N00457 | 84-129 | BC | S | 1.9 | 1.5 | 5.2 | tr | -- | 3.0 | 0.7 | 0.6 | -- | -- | tr | 3.9 | tr | 0.2 | 65.4 | 0.87 | 0.43 | 5 | 4 | |
| 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 | |||||||||||
| 22N00453 | 0-13 | A | S | 6.9 | 7.2 | 6.8 | 1 | |||||||
| 22N00454 | 13-30 | Btk | S | 7.3 | 7.7 | 7.2 | 2 | |||||||
| 22N00455 | 30-57 | Bk1 | S | 7.8 | 8.2 | 7.7 | 12 | |||||||
| 22N00456 | 57-84 | Bk2 | S | 8.0 | 8.6 | 8.0 | 9 | |||||||
| 22N00457 | 84-129 | BC | S | 8.0 | 8.5 | 8.0 | 2 | |||||||
| Phosphorous | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | |||
| (- - - - - - - - - - - - - - - - - - - - - - - Phosphorous - - - - - - - - - - - - - - - - - - - - -) | KCl | ||||||||||||||
| Melanic | NZ | Acid | Anion Exch Resin | Bray | Bray | Olsen | H2O | Citric | Mehlich | Extr | |||||
| Depth | Index | Oxal | Available | Capacity | 1 | 2 | Acid | III | NO3 | ||||||
| Layer | (cm) | Horz | Prep | % | (- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -) | ||||||||||
| 4G4 | 4D3a1 | 4D5a1 | |||||||||||||
| 22N00453 | 0-13 | A | S | 230.0 | 8.4 | ||||||||||
| 22N00454 | 13-30 | Btk | S | 191.7 | 0.5 | ||||||||||
| 22N00455 | 30-57 | Bk1 | S | 154.5 | 1.4 | ||||||||||
| 22N00456 | 57-84 | Bk2 | S | 58.9 | 3.7 | ||||||||||
| 22N00457 | 84-129 | BC | S | 563.0 | 3.6 | ||||||||||