| *** Taxonomy Characterization Data *** |
| Pedon ID: S1992WA059002 | ( Skamania, Washington ) | Print Date: Nov 13 2025 8:53PM |
| Sampled as on Aug 16, 1992: | Sinnice ; Ashy over pumiceous or cindery Thaptic Vitricryands |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP92WA258 MOUNT ST HELENS | Natural Resources Conservation Service |
| - | Site ID | S1992WA059002 Lat: 46° 15' 35.01" north Long: 122° 6' 23.01" west MLRA: 3 | National Soil Survey Center | |
| - | Pedon No. | 92P0937 | 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 | 4A1d | 7B1a2 | ||||||||||
| 92P05637 | 0-7 | C1 | S | 0.4 | -- | 85 | 14 | ||||||
| 92P05638 | 7-28 | C2 | S | -- | 96 | 16 | |||||||
| 92P05639 | 28-73 | 2Bwb | S | -- | -- | 98 | 6 | ||||||
| 92P05640 | 73-91 | 3Ab | S | -- | -- | 53 | 1.07 | 0.015 | 14 | ||||
| 92P05641 | 91-135 | 4Bwb1 | S | -- | -- | 98 | 10 | ||||||
| 92P05642 | 135-210 | 4Bwb2 | S | -- | -- | 99 | 18 | ||||||
| 92P05643 | 210-235 | 4C | S | -- | -- | 99 | 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 | 4C1a1a1 | 6A1c | 6A2d | 8J | 5C1 | 5C3 | 6S4 | 5A3b | 5G1 | 5D2 | |||||||||
| 92P05637 | 0-7 | C1 | S | 5.7 | 7.7 | 0.15 | 0.14 | 0.14 | 0.03 | 43 | 32 | 11 | 1.0 | 2.50 | 10 | 10 | |||
| 92P05638 | 7-28 | C2 | S | 4.8 | 7.5 | 0.35 | 0.34 | 0.03 | 25 | 18 | 14 | 0.6 | 17 | 5 | |||||
| 92P05639 | 28-73 | 2Bwb | S | 5.2 | 9.1 | 0.68 | 0.81 | 0.27 | 0.20 | 15 | 6 | 32 | 0.9 | 33 | 3 | ||||
| 92P05640 | 73-91 | 3Ab | S | 5.1 | 10.3 | 1.87 | 1.83 | 0.54 | 0.30 | 9 | 5 | 38 | 2.2 | 68 | -- | ||||
| 92P05641 | 91-135 | 4Bwb1 | S | 5.4 | 7.8 | 0.11 | 0.13 | 0.18 | 0.04 | 20 | 18 | 14 | 0.7 | 14 | -- | ||||
| 92P05642 | 135-210 | 4Bwb2 | S | 5.5 | 7.7 | 0.16 | 0.16 | 0.30 | 0.06 | 21 | 11 | 23 | -- | ||||||
| 92P05643 | 210-235 | 4C | S | 5.6 | 7.8 | 0.13 | 0.18 | 0.25 | 0.05 | 40 | 15 | 14 | 13 | ||||||
| 92P05644 | 0-7 | GP | 7.7 | 0.02 | 14 | ||||||||||||||
| 92P05645 | 7-28 | GP | 7.7 | 0.04 | 11 | ||||||||||||||
| 92P05646 | 28-73 | GP | 9.1 | 0.07 | 25 | ||||||||||||||
| 92P05647 | 73-81 | GP | 10.1 | 0.37 | 36 | ||||||||||||||
| 92P05648 | 81-91 | GP | 10.3 | 0.19 | 34 | ||||||||||||||
| 92P05649 | 91-135 | GP | 9.0 | 0.05 | 20 | ||||||||||||||
| 92P05650 | 135-210 | GP | 8.9 | 0.04 | 20 | ||||||||||||||
| 92P05651 | 210-235 | GP | 9.0 | 0.03 | 17 | ||||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 5.25 | (NA) | |
| Clay, carbonate free, Weighted Average | 0 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 89 | % wt | |
| Volume, >2mm, Weighted Average | 45 | % vol | |
| Clay, total, Weighted Average | 0 | % wt | |
| Weighted averages based on control section: 0-100 cm | |||