| *** Taxonomy Characterization Data *** |
| Pedon ID: S1972CA013004 | ( Contra Costa, California ) | Print Date: Nov 21 2024 11:45AM |
| Sampled as on Apr 11, 1972: | Millsholm |
| Revised to correlated: | unnamed ; Fine-loamy, mixed, thermic Lithic Haploxerolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL71CA001 CONTRA COSTA ARE | Natural Resources Conservation Service |
| - | Site ID | S1972CA013004 | National Soil Survey Center | |
| - | Pedon No. | 72C0010 | 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 | |||||||||||
| 72C00065 | 0-13 | A1 | S | 0.61 | -- | 1.40 | 0.048 | tr | |||||
| 72C00065 | 0-13 | A1 | GP | 29.2 | |||||||||
| 72C00066 | 13-23 | A2 | S | 0.45 | -- | 1.45 | 0.052 | 1 | |||||
| 72C00066 | 13-23 | A2 | GP | 30.5 | |||||||||
| 72C00067 | 23-44 | B | S | 0.59 | -- | 1.52 | 0.052 | 1 | |||||
| 72C00067 | 23-44 | B | GP | 17.4 | |||||||||
| 72C00068 | 44-69 | C1 | S | 0.70 | -- | 1.92 | 0.027 | tr | |||||
| 72C00068 | 44-69 | C1 | GP | 11.9 | |||||||||
| 72C00069 | 69-117 | C2 | S | 0.85 | -- | 1.99 | 0.017 | 25 | |||||
| 72C00069 | 69-117 | C2 | GP | 9.1 | |||||||||
| 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 | 8D1 | 5D2 | ||||||||||||||||
| 72C00065 | 0-13 | A1 | S | 1.28 | |||||||||||||||
| 72C00065 | 0-13 | A1 | GP | 6.0 | 5.67 | 1 | |||||||||||||
| 72C00066 | 13-23 | A2 | S | 1.09 | |||||||||||||||
| 72C00066 | 13-23 | A2 | GP | 5.5 | 1.26 | 1 | |||||||||||||
| 72C00067 | 23-44 | B | S | 1.69 | |||||||||||||||
| 72C00067 | 23-44 | B | GP | 5.9 | 0.42 | 1 | |||||||||||||
| 72C00068 | 44-69 | C1 | S | 2.16 | |||||||||||||||
| 72C00068 | 44-69 | C1 | GP | 6.1 | 0.17 | 1 | |||||||||||||
| 72C00069 | 69-117 | C2 | S | 2.51 | |||||||||||||||
| 72C00069 | 69-117 | C2 | GP | 7.2 | 0.11 | 1 | |||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.69 | (NA) | |
| Clay, carbonate free, Weighted Average | 17 | % wt | |
| Volume, >2mm, Weighted Average | 1 | % vol | |
| Clay, total, Weighted Average | 17 | % wt | |
| LE, Whole Soil, Summed to 1m | 3 | cm/m | |
| Weighted averages based on control section: 25-44 cm | |||