| *** Taxonomy Characterization Data *** |
| Pedon ID: S1971MT027001 | ( Fergus, Montana ) | Print Date: Nov 24 2024 1:11AM |
| Sampled as on Aug 30, 1971: | Thebo |
| Revised to correlated: | Bascovy ; Fine, smectitic, frigid Udorthentic Chromusterts |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1971MT027001 Lat: 47° 24' 42.73" north Long: 108° 50' 0.83" west MLRA: 58A | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A3722 | 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 | NK | |||||||||||
| 40A28682 | 0-12 | Ap | S | 61.1 | 0.38 | 3 | 1 | ||||||
| 40A28683 | 12-32 | B1 | S | 59.2 | 12.2 | 0.41 | 2 | 1.23 | 0.089 | -- | |||
| 40A28684 | 32-50 | B2 | S | 56.9 | 16.5 | 0.43 | 2 | 1.26 | 0.111 | -- | |||
| 40A28685 | 50-72 | B3 | S | 54.2 | 12.9 | 0.43 | 2 | 1.27 | 0.085 | -- | |||
| 40A28686 | 72-95 | By | S | 51.5 | 8.9 | 0.44 | 1 | 1.25 | 0.088 | -- | |||
| 40A28687 | 95-135 | C | S | 57.7 | 11.0 | 0.36 | 1 | -- | |||||
| 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 | NK | 4H2a | NK | NK | 5D2 | ||||||||||||||
| 40A28682 | 0-12 | Ap | S | 7.9 | 1.03 | -- | 100* | 100 | 0.75 | 0.66 | 4 | ||||||||
| 40A28683 | 12-32 | B1 | S | 8.2 | 0.71 | 1 | 100* | 100 | 0.73 | 0.75 | 7 | ||||||||
| 40A28684 | 32-50 | B2 | S | 8.1 | 0.66 | 1 | 100* | 100 | 0.75 | 1.01 | 11 | ||||||||
| 40A28685 | 50-72 | B3 | S | 8.1 | 0.56 | 1 | 96 | 100 | 0.77 | 2.29 | 11 | ||||||||
| 40A28686 | 72-95 | By | S | 7.7 | 0.46 | -- | 100 | 0.80 | 5.35 | 8 | |||||||||
| 40A28687 | 95-135 | C | S | 6.0 | 0.48 | 0.51 | -- | 100 | 0.67 | 5.37 | 9 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.76 | (NA) | |
| Clay, carbonate free, Weighted Average | 55 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 2 | % wt | |
| Clay, total, Weighted Average | 55 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||