| *** Taxonomy Characterization Data *** |
| Pedon ID: S1969MT027007 | ( Fergus, Montana ) | Print Date: Feb 16 2025 5:42AM |
| Sampled as on Dec 30, 1968: | Mundy |
| Revised to correlated: | Creed ; Fine, smectitic, frigid Borollic Natrargids |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1969MT027007 Lat: 47° 20' 29.70" north Long: 110° 5' 7.97" west MLRA: 46 | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A3687 | 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 | NK | ||||||||||
| 40A28428 | 0-11 | Ap | S | 35.8 | 18.9 | 6 | 1 | ||||||
| 40A28429 | 11-16 | B/A | S | 45.2 | 21.7 | 0.31 | 3 | -- | |||||
| 40A28430 | 16-28 | Bt1 | S | 56.8 | 37.4 | 0.34 | 3 | -- | |||||
| 40A28431 | 28-41 | Bt2 | S | 59.8 | 36.3 | 0.33 | 2 | 1.46 | 0.088 | -- | |||
| 40A28432 | 41-60 | Bky | S | 51.0 | 20.3 | 3.0 | 0.35 | 2 | 1.52 | 0.077 | -- | ||
| 40A28433 | 60-87 | By | S | 45.1 | 3.0 | 0.38 | 4 | 1.47 | 0.070 | -- | |||
| 40A28434 | 87-120 | C1 | S | 38.6 | 13.9 | 3.0 | 0.40 | 11 | 1.48 | 0.054 | 2 | ||
| 40A28435 | 120-140 | C2 | S | 37.7 | 7.0 | 0.36 | 33 | 9 | |||||
| 40A28436 | 140-180 | C3 | S | 46.6 | 8.0 | 0.35 | 3 | -- | |||||
| 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 | |||||||||||||||
| 40A28428 | 0-11 | Ap | S | 6.9 | 1.62 | -- | 95 | 78 | 4 | ||||||||||
| 40A28429 | 11-16 | B/A | S | 7.5 | 1.38 | -- | 91 | 100 | 0.49 | 8 | |||||||||
| 40A28430 | 16-28 | Bt1 | S | 7.4 | 1.20 | -- | 95 | 100 | 0.53 | 3.49 | 7 | ||||||||
| 40A28431 | 28-41 | Bt2 | S | 7.8 | 0.78 | -- | 100* | 100 | 0.48 | 25 | |||||||||
| 40A28432 | 41-60 | Bky | S | 8.1 | 0.42 | 4 | 100 | 0.42 | 29 | ||||||||||
| 40A28433 | 60-87 | By | S | 8.1 | 0.32 | 4 | 100 | 0.46 | 9.78 | 11 | |||||||||
| 40A28434 | 87-120 | C1 | S | 8.0 | 0.29 | 4 | 100* | 100 | 0.52 | 22 | |||||||||
| 40A28435 | 120-140 | C2 | S | 8.0 | 0.17 | 14 | 100* | 100 | 0.44 | 19 | |||||||||
| 40A28436 | 140-180 | C3 | S | 7.9 | 0.21 | 14 | 100 | 0.45 | 16 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.5 | (NA) | |
| Clay, carbonate free, Weighted Average | 58 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 2 | % wt | |
| Clay, total, Weighted Average | 58 | % wt | |
| Weighted averages based on control section: 16-41 cm | |||