| *** Taxonomy Characterization Data *** |
| Pedon ID: 79MT087544 | ( Rosebud, Montana ) | Print Date: May 20 2024 3:22PM |
| Sampled as on Jul 1, 1979: | Orinoco ; Fine, montmorillonitic (calcareous), frigid Ustic Torriorthent |
| Revised to correlated: | Orinoco ; Fine, smectitic, calcareous, frigid Ustic Torriorthents |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP83MT220 ROSEBUD COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1979MT087544 Lat: 46° 44' 0.00" north Long: 106° 57' 45.99" west MLRA: 58A | National Soil Survey Center | |
| - | Pedon No. | 83P0719 | Soil Survey Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska 68508-3866 | ||
| Taxonomy Tier 1 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | |||
| Fine | CaCO3 | 1500 | .1-75 | Bulk | Cole | Vol | Resist | ||||||
| Clay | Clay | Clay | kPa | Clay | mm | Den | Whole | % of | Min | ||||
| Depth | <.002 | <.0002 | <.002 | /Clay | Est | Frac | 33 kPa | Soil | Whole | % | |||
| Layer | (cm) | Horz | Prep | (---------% of <2 mm-------) | (-------- % --------) | g cm-3 | cm cm-1 | ||||||
| 3A1a1a | 3A1a1a | 3A1a1a | 8D1 | ||||||||||
| 83P03555 | 0-10 | A | S | 48.8 | 19.7 | 0.36 | 3 | 1 | |||||
| 83P03556 | 10-19 | Bw | S | 45.7 | 11.9 | 1.8 | 0.32 | 2 | -- | ||||
| 83P03557 | 19-42 | Bk | S | 43.4 | 9.4 | 0.9 | 0.34 | 4 | tr | ||||
| 83P03558 | 42-80 | BC | S | 47.4 | 13.0 | 0.32 | 3 | -- | |||||
| Taxonomy Tier 2 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | |||
| pH | pH | Org | Tot | Al+½ Fe | CO3 as | (--- Base Sat ---) | NZ | ECEC | CEC7 | ECEC | Al | ||||||||
| Depth | H2O | NaF | C | C | Oxal | ODOE | CaCO3 | NH4 | Bases | P Ret | cmol(+) | /Clay | /Clay | Sat | E C | ESP | |||
| Layer | (cm) | Horz | Prep | (------------------------------------------ % --------------------------------------------) | kg -1 | % | dS m-1 | % | |||||||||||
| 4C1a2a | 6A1c | 6E1g | 5C1 | 5C3 | 8D1 | 8A3a | 5D2 | ||||||||||||
| 83P03555 | 0-10 | A | S | 8.3 | 1.23 | tr | 100* | 100 | 0.75 | 0.67 | 3 | ||||||||
| 83P03556 | 10-19 | Bw | S | 8.1 | 1.42 | 3 | 100* | 100 | 0.63 | 0.83 | 1 | ||||||||
| 83P03557 | 19-42 | Bk | S | 7.7 | 1.02 | 5 | 100* | 100 | 0.62 | 3.00 | 3 | ||||||||
| 83P03558 | 42-80 | BC | S | 5.1 | 0.55 | 100* | 100 | 0.46 | 11.19 | 14 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.51 | (NA) | |
| Clay, carbonate free, Weighted Average | 46 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 3 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 46 | % wt | |
| Weighted averages based on control section: 25-80 cm | |||