| *** Taxonomy Characterization Data *** |
| Pedon ID: S1962MT105002 | ( Valley, Montana ) | Print Date: Dec 17 2024 10:25PM |
| Sampled as on Aug 18, 1962: | Marias |
| Revised to correlated: | MARIAS ; Fine, montmorillonitic, frigid Udorthentic Chromusterts |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1962MT105002 Lat: 48° 28' 0.77" north Long: 107° 15' 26.67" west MLRA: 52 | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A3337 | 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 | |||||||||||
| 40A25998 | 0-18 | Ap | S | 55.6 | -- | 0.38 | 6 | 1.33 | 0.087 | -- | |||
| 40A25999 | 18-38 | A1 | S | 57.1 | tr | 0.37 | 6 | 1.35 | 0.084 | -- | |||
| 40A26000 | 38-66 | A2 | S | 58.0 | tr | 0.37 | 5 | 1.36 | 0.100 | -- | |||
| 40A26001 | 66-86 | A3 | S | 57.3 | -- | 0.35 | 5 | 1.41 | 0.097 | -- | |||
| 40A26002 | 86-112 | By1 | S | 56.0 | -- | 0.36 | 6 | 1.41 | 0.071 | -- | |||
| 40A26003 | 112-142 | By2 | S | 56.7 | -- | 0.32 | 7 | 1.38 | 0.068 | -- | |||
| 40A26004 | 142-173 | By3 | S | 55.8 | -- | 0.32 | 6 | 1.42 | 0.066 | -- | |||
| 40A26005 | 173-203 | C1 | S | 55.9 | -- | 0.32 | 6 | -- | |||||
| 40A26006 | 203-234 | C2 | S | 55.1 | -- | 0.34 | 6 | 1.38 | 0.066 | -- | |||
| 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 | |||||||||||||||
| 40A25998 | 0-18 | Ap | S | 7.9 | 1.14 | 2 | 100* | 100 | 0.57 | 1 | |||||||||
| 40A25999 | 18-38 | A1 | S | 8.0 | 0.79 | 4 | 100* | 100 | 0.54 | 3 | |||||||||
| 40A26000 | 38-66 | A2 | S | 8.1 | 0.64 | 5 | 100* | 100 | 0.51 | 1.04 | 4 | ||||||||
| 40A26001 | 66-86 | A3 | S | 7.7 | 0.55 | 2 | 100 | 0.51 | 4.40 | 5 | |||||||||
| 40A26002 | 86-112 | By1 | S | 7.7 | 0.45 | 4 | 100 | 0.49 | 5.05 | 5 | |||||||||
| 40A26003 | 112-142 | By2 | S | 7.6 | 0.40 | 3 | 100 | 0.51 | 5.16 | 6 | |||||||||
| 40A26004 | 142-173 | By3 | S | 7.5 | 0.34 | 3 | 100 | 0.51 | 4.62 | 5 | |||||||||
| 40A26005 | 173-203 | C1 | S | 7.6 | 0.35 | 3 | 100 | 0.50 | 5.18 | 5 | |||||||||
| 40A26006 | 203-234 | C2 | S | 7.5 | 0.35 | 3 | 100 | 0.50 | 4.44 | 5 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.51 | (NA) | |
| Clay, carbonate free, Weighted Average | 57 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 5 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 57 | % wt | |
| LE, Whole Soil, Summed to 1m | 0 | cm/m | |
| Weighted averages based on control section: 25-100 cm | |||