| *** Taxonomy Characterization Data *** |
| Pedon ID: 789210 | ( Shasta, California ) | Print Date: Dec 6 2025 7:34AM |
| Sampled as : | ; Clayey-skeletal, kaolinitic, frigid Typic Dystroxerept |
| Revised to correlated: | Diamondpeak ; Fine-loamy, isotic, frigid Typic Dystroxerepts |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2007USCA026 Lassen Volcanic National Park | Natural Resources Conservation Service |
| - | Site ID | S06CA089003 Lat: 40° 27' 27.70" north Long: 121° 31' 40.80" west MLRA: 22B | National Soil Survey Center | |
| - | Pedon No. | 07N0140 | Kellogg 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 | DbWR1 | ||||||||||||
| 07N00924 | 0-3 | Oi | S | -- | 5 | ||||||||
| 07N00925 | 3-7 | A | S | 25.3 | 0.91 | 34.3 | 38 | 0.74 | 0.038 | 2 | |||
| 07N00926 | 7-26 | 2Bwb1 | S | 38.7 | 0.56 | 85 | 1.06 | 0.010 | 59 | ||||
| 07N00927 | 26-79 | 2Bwb2 | S | 26.9 | 0.77 | 50.3 | 85 | 1.26 | 0.014 | 60 | 97 | ||
| 07N00928 | 79-125 | 2Bwb3 | S | 20.7 | 1.15 | 58.4 | 79 | 1.09 | 0.024 | 46 | |||
| 07N00929 | 125-152 | 2Cr | S | 18.1 | 1.27 | 56.3 | 74 | 49 | |||||
| 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 | 4H2a | 4G2 | 4D8a1 | |||||||||||||||
| 07N00924 | 0-3 | Oi | S | 49.94 | |||||||||||||||
| 07N00925 | 3-7 | A | S | 4.7 | 8.3 | 9.29 | 0.59 | 0.29 | 41 | 26 | 52 | 21.1 | 1.66 | 0.83 | 18 | tr | |||
| 07N00926 | 7-26 | 2Bwb1 | S | 5.0 | 9.3 | 1.22 | 0.61 | 0.06 | 31 | 25 | 68 | 33.5 | 1.06 | 0.87 | 62 | 1 | |||
| 07N00927 | 26-79 | 2Bwb2 | S | 5.1 | 9.4 | 0.60 | 0.79 | 0.09 | 20 | 18 | 78 | 37.4 | 1.71 | 1.39 | 75 | tr | |||
| 07N00928 | 79-125 | 2Bwb3 | S | 5.0 | 9.6 | 0.54 | 1.05 | 0.09 | 13 | 12 | 93 | 45.8 | 2.65 | 2.21 | 84 | tr | |||
| 07N00929 | 125-152 | 2Cr | S | 5.1 | 9.6 | 0.50 | 1.00 | 0.09 | 10 | 8 | 92 | 44.9 | 2.90 | 2.48 | 88 | tr | |||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 83 | % wt | |
| Volume, >2mm, Weighted Average | 55 | % vol | |
| Clay, total, Weighted Average | 25 | % wt | |
| Clay, carbonate free, Weighted Average | 25 | % wt | |
| CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 1 | 2.01 | (NA) | |
| Weighted averages based on control section: 28-103 cm | |||