| *** Taxonomy Characterization Data *** |
| Pedon ID: S1962MT105001 | ( Valley, Montana ) | Print Date: Nov 21 2024 12:59PM |
| 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 | S1962MT105001 Lat: 48° 27' 6.77" north Long: 107° 14' 1.69" west MLRA: 52 | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A3336 | 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 | |||||||||||
| 40A25987 | 0-15 | Ap | S | 53.7 | -- | 0.36 | 4 | 1.35 | 0.080 | -- | |||
| 40A25988 | 15-28 | A1 | S | 57.2 | tr | 0.36 | 3 | 1.42 | 0.082 | -- | |||
| 40A25989 | 28-53 | A2 | S | 58.2 | tr | 0.36 | 3 | 1.42 | 0.086 | -- | |||
| 40A25990 | 53-69 | A3 | S | 59.4 | tr | 0.35 | 3 | 1.44 | 0.085 | -- | |||
| 40A25991 | 69-91 | By1 | S | 56.3 | -- | 0.34 | 4 | 1.45 | 0.061 | -- | |||
| 40A25992 | 91-122 | By2 | S | 56.4 | -- | 0.33 | 4 | 1.42 | 0.053 | -- | |||
| 40A25993 | 122-155 | By3 | S | 57.7 | -- | 0.33 | 4 | 1.38 | 0.055 | -- | |||
| 40A25994 | 155-190 | By4 | S | 57.3 | -- | 0.34 | 4 | 1.40 | 0.054 | -- | |||
| 40A25995 | 190-221 | By5 | S | 55.8 | -- | 0.35 | 3 | 1.37 | 0.053 | -- | |||
| 40A25996 | 221-246 | 2C1 | S | 50.1 | -- | 0.41 | tr | -- | |||||
| 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 | |||||||||||||||
| 40A25987 | 0-15 | Ap | S | 7.9 | 1.20 | 3 | 100* | 100 | 0.56 | 1 | |||||||||
| 40A25988 | 15-28 | A1 | S | 8.0 | 0.86 | 4 | 100* | 100 | 0.52 | 0.78 | 3 | ||||||||
| 40A25989 | 28-53 | A2 | S | 8.1 | 0.75 | 5 | 100* | 100 | 0.50 | 0.97 | 6 | ||||||||
| 40A25990 | 53-69 | A3 | S | 7.8 | 0.62 | 4 | 100* | 100 | 0.53 | 4.26 | 7 | ||||||||
| 40A25991 | 69-91 | By1 | S | 7.6 | 0.56 | 4 | 100 | 0.52 | 5.48 | 7 | |||||||||
| 40A25992 | 91-122 | By2 | S | 7.6 | 0.43 | 4 | 100 | 0.51 | 5.30 | 7 | |||||||||
| 40A25993 | 122-155 | By3 | S | 7.5 | 0.35 | 4 | 100 | 0.50 | 5.27 | 6 | |||||||||
| 40A25994 | 155-190 | By4 | S | 7.5 | 0.31 | 4 | 100 | 0.50 | 4.80 | 6 | |||||||||
| 40A25995 | 190-221 | By5 | S | 7.4 | 0.31 | 4 | 100 | 0.52 | 4.14 | 5 | |||||||||
| 40A25996 | 221-246 | 2C1 | S | 7.4 | 0.32 | 4 | 100 | 0.54 | 4.53 | 5 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.52 | (NA) | |
| Clay, carbonate free, Weighted Average | 58 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 3 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 58 | % wt | |
| LE, Whole Soil, Summed to 1m | 0 | cm/m | |
| Weighted averages based on control section: 25-100 cm | |||