| *** Taxonomy Characterization Data *** |
| Pedon ID: 77MT087436 | ( Rosebud, Montana ) | Print Date: Feb 16 2025 5:45AM |
| Sampled as on Jul 1, 1977: | Niler ; Loamy, mixed (calcareous), frigid, shallow Ustic Torriorthent |
| Revised to correlated: | Niler ; Loamy, mixed, superactive, calcareous, frigid, shallow Ustic Torriorthents |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP83MT220 ROSEBUD COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1977MT087436 Lat: 46° 31' 35.00" north Long: 106° 50' 42.99" west MLRA: 58A | National Soil Survey Center | |
| - | Pedon No. | 83P0718 | 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 | 8D1 | |||||||||||
| 83P03553 | 0-7 | A | S | 31.4 | 0.31 | 5 | 1 | ||||||
| 83P03554 | 7-32 | By | S | 35.0 | 2.6 | 0.38 | 6 | -- | |||||
| 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 | ||||||||||||
| 83P03553 | 0-7 | A | S | 7.8 | 0.83 | 11 | 100* | 100 | 0.54 | 2.37 | 1 | ||||||||
| 83P03554 | 7-32 | By | S | 7.7 | 0.49 | 7 | 100* | 100 | 0.48 | 2.46 | 1 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.52 | (NA) | |
| Clay, carbonate free, Weighted Average | 32 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 6 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 34 | % wt | |
| Weighted averages based on control section: 0-32 cm | |||