| *** Taxonomy Characterization Data *** |
| Pedon ID: S1966CA093001 | ( Siskiyou, California ) | Print Date: Apr 21 2026 6:46PM |
| Sampled as on May 15, 1966: | Josephine |
| Revised to correlated: | Josephine ; Fine-loamy, mixed, superactive, mesic Ultic Haploxeralfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1966CA093001 Lat: 41° 59' 28.00" north Long: 122° 40' 25.01" west MLRA: 5 | Riverside Soil Survey Laboratory | |
| - | Pedon No. | 40A2896 | Soil Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Riverside, California | ||
| 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 | 4A1f | ||||||||||||
| 40A22833 | 0-5 | A11 | S | 12.0 | 0.83 | 34 | 1.27 | 0.005 | 7 | ||||
| 40A22834 | 5-10 | A12 | S | 13.9 | 0.69 | 31 | 1.21 | 0.008 | 4 | ||||
| 40A22835 | 10-28 | A2 | S | 16.2 | 0.58 | 28 | 1.42 | 0.007 | 3 | ||||
| 40A22836 | 28-53 | Bt1 | S | 19.0 | 0.51 | 28 | 1.52 | 0.010 | 4 | ||||
| 40A22837 | 53-84 | Bt21 | S | 19.8 | 0.54 | 25 | 1.56 | 0.010 | 3 | ||||
| 40A22838 | 84-107 | Bt22 | S | 18.3 | 0.58 | 27 | 1.52 | 0.013 | 3 | ||||
| 40A22839 | 107-127 | Bt3 | S | 20.3 | 0.55 | 25 | 1.55 | 0.013 | 2 | ||||
| 40A22840 | 127-173 | C | S | 28.7 | 0.59 | 20 | 1.57 | 0.040 | 2 | ||||
| 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 | % | |||||||||||
| 8C1a | 6A1a | 5D2 | |||||||||||||||||
| 40A22833 | 0-5 | A11 | S | 6.0 | 3.36 | 61 | 48 | 1.89 | 1 | ||||||||||
| 40A22834 | 5-10 | A12 | S | 5.8 | 1.92 | 50 | 41 | 1.49 | 1 | ||||||||||
| 40A22835 | 10-28 | A2 | S | 5.8 | 0.68 | 60 | 53 | 0.95 | 1 | ||||||||||
| 40A22836 | 28-53 | Bt1 | S | 5.8 | 0.39 | 71 | 59 | 0.77 | 1 | ||||||||||
| 40A22837 | 53-84 | Bt21 | S | 5.7 | 0.32 | 73 | 63 | 0.80 | 1 | ||||||||||
| 40A22838 | 84-107 | Bt22 | S | 5.8 | 0.31 | 78 | 68 | 0.95 | 1 | ||||||||||
| 40A22839 | 107-127 | Bt3 | S | 6.0 | 0.21 | 81 | 72 | 0.97 | 1 | ||||||||||
| 40A22840 | 127-173 | C | S | 6.5 | 0.18 | 88 | 85 | 1.15 | 1 | ||||||||||
| 40A22841 | 0-10 | A1 | S | 6.1 | 3.19 | ||||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.79 | (NA) | |
| Clay, carbonate free, Weighted Average | 19 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 26 | % wt | |
| Volume, >2mm, Weighted Average | 3 | % vol | |
| Clay, total, Weighted Average | 19 | % wt | |
| LE, Whole Soil, Summed to 1m | 0 | cm/m | |
| Weighted averages based on control section: 28-78 cm | |||