| *** Taxonomy Characterization Data *** |
| Pedon ID: S1969MT027002 | ( Fergus, Montana ) | Print Date: Sep 23 2024 9:29PM |
| Sampled as on Aug 11, 1969: | Komad |
| Revised to correlated: | Acel ; Fine, smectitic, frigid Mollic Eutroboralfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1969MT027002 Lat: 47° 15' 49.70" north Long: 109° 55' 21.96" west MLRA: 58A | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A3681 | 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 | ||||||||||
| 40A28380 | 0-11 | Ap1 | S | 25.4 | 13.7 | 0.38 | 12 | 1 | |||||
| 40A28381 | 11-23 | Ap2 | S | 30.5 | 14.8 | 0.38 | 9 | 1.34 | 0.024 | -- | |||
| 40A28382 | 23-36 | Bt1 | S | 51.1 | 38.6 | 0.36 | 5 | -- | |||||
| 40A28383 | 36-48 | Bt2 | S | 45.6 | 26.2 | 0.38 | 4 | 1.54 | 0.073 | -- | |||
| 40A28384 | 48-68 | Bk | S | 40.3 | 18.9 | tr | 0.39 | 4 | 1.54 | 0.049 | -- | ||
| 40A28385 | 68-102 | By | S | 34.7 | 14.7 | 3.0 | 0.45 | 7 | 1.54 | 0.033 | -- | ||
| 40A28386 | 102-140 | Ayb | S | 35.7 | 16.6 | 3.0 | 0.43 | 4 | -- | ||||
| 40A28387 | 140-165 | Byb | S | 35.7 | 14.7 | 5.0 | 0.42 | 5 | -- | ||||
| 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 | % | |||||||||||
| NK | NK | NK | NK | 5D2 | |||||||||||||||
| 40A28380 | 0-11 | Ap1 | S | 5.8 | 1.96 | 81 | 68 | 0.67 | 1 | ||||||||||
| 40A28381 | 11-23 | Ap2 | S | 5.5 | 1.78 | 77 | 65 | 0.62 | 2 | ||||||||||
| 40A28382 | 23-36 | Bt1 | S | 6.2 | 1.02 | -- | 97 | 83 | 0.55 | 0.63 | 4 | ||||||||
| 40A28383 | 36-48 | Bt2 | S | 7.8 | 0.62 | -- | 100* | 100 | 0.53 | 9 | |||||||||
| 40A28384 | 48-68 | Bk | S | 8.0 | 0.42 | 3 | 100* | 100 | 0.50 | 18 | |||||||||
| 40A28385 | 68-102 | By | S | 8.1 | 0.34 | 4 | 100 | 0.48 | 8.80 | 10 | |||||||||
| 40A28386 | 102-140 | Ayb | S | 8.0 | 0.49 | 4 | 100* | 100 | 0.58 | 19 | |||||||||
| 40A28387 | 140-165 | Byb | S | 8.2 | 0.40 | 9 | 100* | 100 | 0.56 | 16 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.54 | (NA) | |
| Clay, carbonate free, Weighted Average | 48 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 5 | % wt | |
| Clay, total, Weighted Average | 48 | % wt | |
| Weighted averages based on control section: 23-48 cm | |||