| *** Taxonomy Characterization Data *** |
| Pedon ID: S1973CA049001 | ( Modoc, California ) | Print Date: Feb 16 2025 6:23AM |
| Sampled as on Nov 15, 1973: | Packwood |
| Revised to correlated: | PACKWOOD ; Loamy, mixed, shallow Xeric Argidurids |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL73CA013 ALTURAS & MODOC | Natural Resources Conservation Service |
| - | Site ID | S1973CA049001 Lat: 41° 39' 20.00" north Long: 120° 43' 29.99" west MLRA: 21 | National Soil Survey Center | |
| - | Pedon No. | 73C0092 | 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 | 4A1d | |||||||||||
| 73C00631 | 0-5 | A1 | S | 5.8 | 1.05 | 37 | 5 | ||||||
| 73C00632 | 5-13 | A2 | S | 9.0 | 0.68 | 26 | 1.50 | 0.013 | 1 | ||||
| 73C00633 | 13-20 | Bt | S | 30.0 | 0.45 | 18 | 1.50 | 0.015 | 1 | ||||
| 73C00634 | 20-28 | Bqm | S | 6.5 | 2.51 | 74 | 3 | ||||||
| 73C00635 | 28-41 | Bkqm | S | 1.9 | 7.84 | 71 | 1.36 | 0.054 | 5 | ||||
| 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 | ||||||||||||||
| 73C00631 | 0-5 | A1 | S | 6.6 | 0.38 | 88 | 100 | 1.98 | 3 | ||||||||||
| 73C00632 | 5-13 | A2 | S | 6.5 | 0.28 | 88 | 100 | 1.33 | 3 | ||||||||||
| 73C00633 | 13-20 | Bt | S | 6.2 | 0.26 | 100* | 100 | 0.82 | 3 | ||||||||||
| 73C00634 | 20-28 | Bqm | S | 6.8 | 0.15 | 95 | 100 | 7.25 | 3 | ||||||||||
| 73C00635 | 28-41 | Bkqm | S | 8.1 | 0.12 | 100* | 100 | 23.84 | 4 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.82 | (NA) | |
| Clay, carbonate free, Weighted Average | 30 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 18 | % wt | |
| Volume, >2mm, Weighted Average | 1 | % vol | |
| Clay, total, Weighted Average | 30 | % wt | |
| Weighted averages based on control section: 13-20 cm | |||