| *** Taxonomy Characterization Data *** |
| Pedon ID: 90MT071012 | ( Phillips, Montana ) | Print Date: Nov 21 2024 1:49PM |
| Sampled as on Sep 1, 1990: | Marvan ; Fine, montmorillonitic, frigid Udorthentic Chromustert |
| Revised to correlated on Jan 30, 2010: | Marvan ; Fine, smectitic, frigid Udorthentic Chromusterts |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP90MT255 PHILLIPS COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1990MT071012 Lat: 47° 52' 37.00" north Long: 107° 37' 2.01" west MLRA: 52 | National Soil Survey Center | |
| - | Pedon No. | 90P1094 | 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 | 4A1d | |||||||||
| 90P06756 | 0-10 | A | S | 53.0 | 20.5 | 0.35 | 3 | ||||||
| 90P06757 | 10-48 | Bw | S | 54.7 | 15.3 | 1.0 | 0.42 | 5 | |||||
| 90P06758 | 48-91 | By | S | 47.5 | 16.1 | 1.0 | 0.39 | 8 | 1.25 | 0.191 | |||
| 90P06759 | 91-145 | Byz1 | S | 51.6 | 18.7 | 1.6 | 0.38 | 4 | 1.28 | 0.136 | |||
| 90P06760 | 145-190 | Byz2 | S | 62.1 | 24.6 | 0.37 | 1 | 1.24 | 0.153 | ||||
| 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 | ||||||||||||
| 90P06756 | 0-10 | A | S | 8.4 | 1.11 | 1 | 100* | 99 | 0.62 | 0.75 | 7 | ||||||||
| 90P06757 | 10-48 | Bw | S | 8.7 | 0.88 | 2 | 100* | 100 | 0.60 | 2.04 | 27 | ||||||||
| 90P06758 | 48-91 | By | S | 7.9 | 0.59 | 4 | 100* | 100 | 0.59 | 6.85 | 27 | ||||||||
| 90P06759 | 91-145 | Byz1 | S | 8.0 | 0.33 | 4 | 100* | 100 | 0.58 | 7.16 | 28 | ||||||||
| 90P06760 | 145-190 | Byz2 | S | 8.6 | 0.37 | 3 | 100* | 100 | 0.56 | 6.52 | 37 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.6 | (NA) | |
| Clay, carbonate free, Weighted Average | 49 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 7 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 50 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||