| *** Taxonomy Characterization Data *** |
| Pedon ID: 88MT105002 | ( Valley, Montana ) | Print Date: Nov 24 2024 1:18AM |
| Sampled as on Jul 1, 1988: | Marias ; Fine, montmorillonitic, frigid Udorthentic Chromustert |
| Revised to correlated on Jul 9, 2007: | Marias ; Fine, mixed, active, frigid Udorthentic Chromusterts |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP88MT223 MONTANA ARIDISOL TOUR | Natural Resources Conservation Service |
| - | Site ID | S1988MT105002 Lat: 48° 27' 8.00" north Long: 107° 12' 43.00" west MLRA: 52 | National Soil Survey Center | |
| - | Pedon No. | 88P0850 | Soil Survey Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska 68508-3866 | ||
| 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 | 8D1 | 4A1d | |||||||||
| 88P04485 | 0-5 | Ap1 | S | 55.9 | 14.2 | 0.33 | 4 | -- | |||||
| 88P04486 | 5-20 | Ap2 | S | 57.0 | 19.5 | 1.2 | 0.35 | 5 | 1.27 | 0.100 | -- | ||
| 88P04487 | 20-46 | Bw1 | S | 59.1 | 26.8 | 1.7 | 0.35 | 3 | 1.30 | 0.115 | -- | ||
| 88P04488 | 46-64 | Bw2 | S | 59.2 | 27.8 | 0.34 | 3 | 1.43 | 0.076 | -- | |||
| 88P04489 | 64-81 | By1 | S | 58.4 | 24.4 | 0.34 | 3 | 1.33 | 0.092 | -- | |||
| 88P04490 | 81-122 | By2 | S | 57.5 | 23.3 | 0.33 | 4 | 1.37 | 0.079 | -- | |||
| 88P04491 | 122-152 | C1 | S | 57.7 | 23.5 | 0.34 | 4 | 1.34 | 0.089 | -- | |||
| 88P04492 | 152-203 | C2 | S | 58.3 | 23.0 | 0.33 | 3 | 1.28 | 0.088 | -- | |||
| 88P04493 | 0-0 | S | 55.1 | 0.33 | 4 | -- | |||||||
| 88P04494 | 0-0 | S | 54.8 | 0.33 | 4 | -- | |||||||
| 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 | % | |||||||||||
| 4C1a2a | 6A1c | 6A2d | 6E1g | 5C1 | 5C3 | 6S4 | 8D1 | 8A3a | 5D2 | ||||||||||
| 88P04485 | 0-5 | Ap1 | S | 8.4 | 1.03 | 1.33 | 3 | 100* | 100 | 39 | 0.64 | 0.57 | 1 | ||||||
| 88P04486 | 5-20 | Ap2 | S | 8.3 | 0.95 | 1.28 | 3 | 100* | 100 | 39 | 0.62 | 0.51 | 1 | ||||||
| 88P04487 | 20-46 | Bw1 | S | 8.3 | 0.77 | 1.31 | 4 | 100* | 100 | 38 | 0.59 | 0.57 | 2 | ||||||
| 88P04488 | 46-64 | Bw2 | S | 7.8 | 0.61 | 1.20 | 4 | 100* | 100 | 33 | 0.58 | 3.40 | 3 | ||||||
| 88P04489 | 64-81 | By1 | S | 7.9 | 0.54 | 1.01 | 4 | 100* | 100 | 35 | 0.55 | 4.03 | 4 | ||||||
| 88P04490 | 81-122 | By2 | S | 7.8 | 0.45 | 1.06 | 4 | 100* | 100 | 29 | 0.56 | 4.18 | 5 | ||||||
| 88P04491 | 122-152 | C1 | S | 8.0 | 0.36 | 0.91 | 4 | 100* | 100 | 26 | 0.58 | 2.39 | 6 | ||||||
| 88P04492 | 152-203 | C2 | S | 8.0 | 0.37 | 0.92 | 4 | 100* | 100 | 31 | 0.57 | 2.44 | 4 | ||||||
| 88P04493 | 0-0 | S | 8.2 | 1.01 | 3 | 100* | 100 | 0.64 | 0.56 | 1 | |||||||||
| 88P04494 | 0-0 | S | 8.0 | 1.06 | 2 | 100* | 100 | 0.66 | 0.66 | tr | |||||||||
| 88P04495 | 0-0 | S | 8.0 | 1.03 | 3 | ||||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.58 | (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 | 59 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||