| *** Taxonomy Characterization Data *** |
| Pedon ID: S1970MT027001 | ( Fergus, Montana ) | Print Date: Mar 2 2025 8:53AM |
| Sampled as on Dec 30, 1969: | Coffeek |
| Revised to correlated: | Fairfield ; Fine-loamy, mixed, superactive, frigid Typic Argiborolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1970MT027001 Lat: 47° 17' 1.70" north Long: 110° 1' 31.96" west MLRA: 46 | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A3692 | Soil Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska | ||
| 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 | 4A1d | ||||||||||
| 40A28463 | 0-10 | Ap | S | 28.6 | 17.8 | -- | 0.39 | 36 | 6 | ||||
| 40A28464 | 10-15 | B1 | S | 32.6 | 20.0 | -- | 0.41 | 26 | 1.46 | 0.033 | 2 | ||
| 40A28465 | 15-25 | B2 | S | 38.6 | 12.2 | 13.0 | 0.38 | 21 | 2 | ||||
| 40A28466 | 25-76 | Bk1 | S | 39.1 | 10.1 | 15.0 | 0.31 | 21 | 1.53 | 0.033 | 2 | ||
| 40A28467 | 76-132 | Bk2 | S | 29.7 | 10.4 | 7.0 | 0.36 | 24 | 1.56 | 0.029 | 1 | ||
| 40A28468 | 132-183 | C | S | 27.5 | 11.4 | 2.0 | 0.42 | 16 | 1.53 | 0.031 | 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 | % | |||||||||||
| 8C1a | 6A1a | 6E1b | NK | 5D2 | |||||||||||||||
| 40A28463 | 0-10 | Ap | S | 7.0 | 1.61 | 100* | 85 | 0.78 | tr | ||||||||||
| 40A28464 | 10-15 | B1 | S | 7.1 | 1.33 | -- | 100* | 88 | 0.81 | tr | |||||||||
| 40A28465 | 15-25 | B2 | S | 7.7 | 1.37 | 21 | 100 | 0.52 | tr | ||||||||||
| 40A28466 | 25-76 | Bk1 | S | 8.0 | 0.48 | 26 | 100 | 0.39 | 1 | ||||||||||
| 40A28467 | 76-132 | Bk2 | S | 8.7 | 0.12 | 20 | 100 | 0.48 | 0.67 | 8 | |||||||||
| 40A28468 | 132-183 | C | S | 9.0 | 0.07 | 14 | 100 | 0.51 | 4 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.63 | (NA) | |
| Clay, carbonate free, Weighted Average | 24 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 22 | % wt | |
| Volume, >2mm, Weighted Average | 2 | % vol | |
| Clay, total, Weighted Average | 36 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||