| *** Taxonomy Characterization Data *** |
| Pedon ID: 90MT071013 | ( Phillips, Montana ) | Print Date: Nov 23 2024 7:18AM |
| Sampled as on Sep 1, 1990: | Volborg ; Clayey, montmorillonitic, acid, frigid, shallow Ustic Torriorthent |
| Revised to correlated: | Volborg ; Clayey, smectitic, frigid, shallow Ustic Torriorthents |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP90MT255 PHILLIPS COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1990MT071013 Lat: 48° 44' 23.00" north Long: 108° 12' 50.00" west MLRA: 52 | National Soil Survey Center | |
| - | Pedon No. | 90P1095 | 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 | |||||||||||
| 90P06761 | 0-10 | A | S | 54.9 | 0.39 | 53 | |||||||
| 90P06762 | 10-30 | C | S | 50.3 | 0.47 | 64 | |||||||
| 90P06763 | 30-107 | Cr1 | S | 49.8 | 0.47 | 81 | |||||||
| 90P06764 | 107-203 | Cr2 | S | 43.8 | 0.59 | 80 | |||||||
| 90P06765 | 0-0 | S | 85.3 | 15.3 | 0.60 | 2 | |||||||
| 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 | 5C1 | 5C3 | 5A3b | 8D1 | 5G1 | 8A3a | 5D2 | |||||||||||
| 90P06761 | 0-10 | A | S | 5.0 | 0.64 | 91 | 100 | 29.1 | 0.57 | 0.53 | 2 | 1 | |||||||
| 90P06762 | 10-30 | C | S | 4.6 | 0.46 | 77 | 63 | 26.2 | 0.63 | 0.52 | 7 | 1 | |||||||
| 90P06763 | 30-107 | Cr1 | S | 4.2 | 0.35 | 79 | 62 | 25.8 | 0.61 | 0.52 | 7 | 0.72 | 1 | ||||||
| 90P06764 | 107-203 | Cr2 | S | 4.1 | 0.28 | 89 | 62 | 25.2 | 0.60 | 0.58 | 7 | 2.11 | 2 | ||||||
| 90P06765 | 0-0 | S | 3.5 | ||||||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.61 | (NA) | |
| Clay, carbonate free, Weighted Average | 52 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 60 | % wt | |
| Volume, >2mm, Weighted Average | 45 | % vol | |
| Clay, total, Weighted Average | 52 | % wt | |
| Weighted averages based on control section: 0-30 cm | |||