| *** Taxonomy Characterization Data *** |
| Pedon ID: 85MT079010 | ( Prairie, Montana ) | Print Date: Nov 11 2024 7:36PM |
| Sampled as on Jul 1, 1985: | Ismay ; Fine-silty, mixed (calcareous), frigid Ustic Torrifluvent |
| Revised to correlated: | Ismay ; Fine-silty, mixed, superactive, calcareous, frigid Ustic Torrifluvents |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP85MT238 SOUTHWEST AREA | Natural Resources Conservation Service |
| - | Site ID | S1985MT079010 Lat: 46° 45' 35.99" north Long: 104° 48' 35.99" west MLRA: 58A | National Soil Survey Center | |
| - | Pedon No. | 85P0784 | 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 | |||||||||||
| 85P04171 | 0-20 | A | S | 40.0 | 1.2 | 0.37 | 3 | -- | |||||
| 85P04172 | 20-43 | C1 | S | 37.8 | 1.2 | 0.38 | 1 | -- | |||||
| 85P04173 | 43-64 | C2 | S | 21.7 | -- | 0.40 | 9 | -- | |||||
| 85P04174 | 64-127 | C3 | S | 18.8 | 1.1 | 0.41 | 15 | -- | |||||
| 85P04175 | 127-152 | C4 | S | 17.9 | -- | 0.42 | 20 | -- | |||||
| 85P04176 | 25-100 | S | 17.1 | 0.3 | 0.39 | 13 | -- | ||||||
| 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 | ||||||||||||
| 85P04171 | 0-20 | A | S | 7.9 | 2.05 | 15 | 100* | 100 | 0.39 | 7.34 | 14 | ||||||||
| 85P04172 | 20-43 | C1 | S | 8.5 | 0.73 | 18 | 100* | 100 | 0.34 | 13.70 | 31 | ||||||||
| 85P04173 | 43-64 | C2 | S | 8.2 | 0.73 | 18 | 100* | 100 | 0.44 | 10.13 | 27 | ||||||||
| 85P04174 | 64-127 | C3 | S | 8.1 | 0.61 | 18 | 100* | 100 | 0.45 | 8.30 | 19 | ||||||||
| 85P04175 | 127-152 | C4 | S | 8.5 | 0.28 | 18 | 100* | 100 | 0.41 | 10.62 | 33 | ||||||||
| 85P04176 | 25-100 | S | 8.1 | 0.52 | 18 | 100* | 100 | 0.47 | 8.22 | 20 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.44 | (NA) | |
| Clay, carbonate free, Weighted Average | 23 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 10 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 24 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||