| *** Taxonomy Characterization Data *** |
| Pedon ID: 89MT049001 | ( Lewis and Clark, Montana ) | Print Date: Dec 12 2024 10:08PM |
| Sampled as on Feb 1, 1989: | Woodgulch ; Sandy, mixed, frigid Alfic Ustipsamment |
| Revised to correlated on Mar 1, 1991: | (unnamed) ; Mixed, frigid Alfic Ustipsamment |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP89MT121 WOODGULCH | Natural Resources Conservation Service |
| - | Site ID | S1989MT049001 Lat: 46° 33' 1.63" north Long: 112° 11' 0.20" west MLRA: 43 | National Soil Survey Center | |
| - | Pedon No. | 89P0447 | 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 | 8D1 | 7B1a2 | |||||||||||
| 89P02494 | 0-10 | A | S | 1.7 | 2.00 | 75 | 12 | ||||||
| 89P02495 | 10-33 | E | S | 5.6 | 0.54 | 74 | 5 | 59 | |||||
| 89P02496 | 33-76 | E/Bt1 | S | 6.0 | 0.62 | 76 | 7 | 64 | |||||
| 89P02497 | 76-127 | E/Bt2 | S | 1.3 | 2.00 | 86 | 15 | ||||||
| 89P02498 | 127-152 | C | S | 2.0 | 0.85 | 86 | 8 | ||||||
| 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 | 5C1 | 5C3 | 8D1 | 5D2 | ||||||||||||||
| 89P02494 | 0-10 | A | S | 6.3 | 0.75 | 92 | 71 | 4.29 | 1 | ||||||||||
| 89P02495 | 10-33 | E | S | 6.2 | 0.39 | 100* | 77 | 1.20 | -- | ||||||||||
| 89P02496 | 33-76 | E/Bt1 | S | 5.9 | 0.21 | 83 | 70 | 1.17 | -- | ||||||||||
| 89P02497 | 76-127 | E/Bt2 | S | 6.0 | 0.13 | 89 | 83 | 4.77 | -- | ||||||||||
| 89P02498 | 127-152 | C | S | 6.5 | 0.04 | 92 | 81 | 2.40 | 2 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 2.32 | (NA) | |
| Clay, carbonate free, Weighted Average | 4 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 79 | % wt | |
| Volume, >2mm, Weighted Average | 9 | % vol | |
| Clay, total, Weighted Average | 4 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||