| *** Primary Characterization Data *** |
| Pedon ID: S1965MT047008 | ( Lake, Montana ) | Print Date: Apr 24 2025 5:28AM |
| Sampled as on Jul 17, 1965: | Round Butte |
| Revised to correlated: | ROUND BUTTE ; Fine, illitic, frigid Typic Natrixeralfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1965MT047008 Lat: 47° 35' 1.00" north Long: 114° 17' 5.00" west MLRA: 44 | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A3639 | Soil Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska | ||
| Layer | Horizon | Orig Hzn | Depth (cm) | Field Label 1 | Field Label 2 | Field Label 3 | Field Texture | Lab Texture |
| 40A28015 | E | A21 | 0-8 | 20659 | SICL | |||
| 40A28016 | A/B | A & B | 8-13 | 20660 | SICL | |||
| 40A28017 | Bt | B2 t | 13-23 | 20661 | SIC | |||
| 40A28018 | C1 | C 1 | 23-36 | 20662 | SIC | |||
| 40A28019 | C2 | C 2 | 36-53 | 20663 | SIC | |||
| 40A28020 | C3 | C 3 | 53-84 | 20664 | SIC | |||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Clay, carbonate free, Weighted Average | 52 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 1 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 52 | % wt | |
| Weighted averages based on control section: 13-23 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 | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3B1 | 3B1 | 3B1 | |||||||
| 40A28015 | 0-8 | E | S | sicl | 27.0 | 64.2 | 8.8 | 52.0 | 12.2 | 5.5 | 2.7 | 0.4 | 0.2 | tr | -- | -- | -- | 3 | -- | ||
| 40A28016 | 8-13 | A/B | S | sicl | 34.3 | 59.0 | 6.7 | 49.4 | 9.6 | 4.3 | 2.1 | 0.2 | 0.1 | -- | -- | -- | -- | 2 | -- | ||
| 40A28017 | 13-23 | Bt | S | sic | 52.5 | 46.1 | 1.4 | tr | 42.0 | 4.1 | 0.8 | 0.4 | 0.1 | 0.1 | -- | -- | -- | -- | 1 | -- | |
| 40A28018 | 23-36 | C1 | S | sic | 44.5 | 54.7 | 0.8 | 4.0 | 51.0 | 3.7 | 0.4 | 0.2 | 0.1 | 0.1 | -- | -- | -- | -- | tr | -- | |
| 40A28019 | 36-53 | C2 | S | sic | 40.1 | 57.7 | 2.2 | 2.0 | 52.5 | 5.2 | 1.8 | 0.4 | -- | -- | -- | -- | -- | -- | tr | -- | |
| 40A28020 | 53-84 | C3 | S | sic | 46.3 | 53.0 | 0.7 | 1.0 | 49.5 | 3.5 | 0.6 | 0.1 | -- | -- | -- | -- | -- | -- | tr | -- | |
| *** Primary Characterization Data *** |
| Pedon ID: S1965MT047008 | ( Lake, Montana ) | Print Date: Apr 24 2025 5:28AM |
| Sampled As | : | Round Butte | |||
| USDA-SCS-Soil Survey Laboratory | ; | Pedon No. 40A3639 | |||
| 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 | % | ||||||||||
| 4A1d | 4A1h | 4B1c | 3C2a1a | ||||||||||||||
| 40A28015 | 0-8 | E | S | 10.3 | 0.38 | ||||||||||||
| 40A28016 | 8-13 | A/B | S | 1.36 | 1.42 | 0.014 | 25.3 | 11.1 | 0.19 | 0.32 | |||||||
| 40A28017 | 13-23 | Bt | S | 1.37 | 1.52 | 0.035 | 29.7 | 15.5 | 0.19 | 0.30 | |||||||
| 40A28018 | 23-36 | C1 | S | 1.41 | 1.49 | 0.019 | 30.4 | 11.8 | 0.26 | 0.27 | |||||||
| 40A28019 | 36-53 | C2 | S | 10.3 | 0.26 | ||||||||||||
| 40A28020 | 53-84 | C3 | S | 1.47 | 1.54 | 0.016 | 29.1 | 11.3 | 0.26 | 0.24 | |||||||
| 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 | |||
| 8C1a | 6E1b | |||||||||||||
| 40A28015 | 0-8 | E | S | 6.0 | ||||||||||
| 40A28016 | 8-13 | A/B | S | 5.9 | ||||||||||
| 40A28017 | 13-23 | Bt | S | 8.6 | 4 | |||||||||
| 40A28018 | 23-36 | C1 | S | 9.3 | 13 | |||||||||
| 40A28019 | 36-53 | C2 | S | 9.4 | 9 | |||||||||
| 40A28020 | 53-84 | C3 | S | 9.1 | 6 | |||||||||