| *** Taxonomy Characterization Data *** |
| Pedon ID: 91MT041008 | ( Hill, Montana ) | Print Date: Nov 21 2024 2:54PM |
| Sampled as on Aug 26, 1991: | Simpson ; Very-fine, montmorillonitic, frigid Udorthentic Chromustert |
| Revised to correlated: | Wheatbelt ; Very-fine, smectitic, isothermic Sodic Endoaquerts |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP91MT253 HILL COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1991MT041008 Lat: 48° 57' 50.00" north Long: 110° 2' 50.01" west MLRA: 52 | National Soil Survey Center | |
| - | Pedon No. | 91P1133 | 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 | 8D1 | ||||||||||||
| 91P07620 | 0-5 | Ag | S | 82.1 | 0.41 | 1 | |||||||
| 91P07621 | 5-41 | Bssg | S | 84.0 | 0.40 | 1 | |||||||
| 91P07622 | 41-97 | Bssyg1 | S | 83.0 | 0.39 | 1 | |||||||
| 91P07623 | 97-152 | Bssyg2 | S | 76.4 | 0.41 | 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 | 6E1g | 5C1 | 5C3 | 8D1 | 8A3a | 5D2 | ||||||||||||
| 91P07620 | 0-5 | Ag | S | 8.9 | 0.67 | -- | 100* | 96 | 0.61 | 14 | |||||||||
| 91P07621 | 5-41 | Bssg | S | 8.4 | 0.53 | tr | 100* | 98 | 0.60 | 1.09 | 21 | ||||||||
| 91P07622 | 41-97 | Bssyg1 | S | 8.5 | 0.42 | 1 | 100* | 100 | 0.59 | 6.25 | 20 | ||||||||
| 91P07623 | 97-152 | Bssyg2 | S | 8.5 | 0.44 | 2 | 100* | 100 | 0.58 | 3.60 | 29 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.59 | (NA) | |
| Clay, carbonate free, Weighted Average | 83 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 1 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 83 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||