| Level | Trench 1502 | Trench 1504 | Sediment Dates |
| 10 | 2951/3072/3187 | ||
| 11 | 2970 | ||
| 12 | |||
| 13 | 2880/2980 | ||
| 14 | 1502 10-14 St. 5b Glacier Peak? | ||
| 15 | 2890 | ||
| 16 | |||
| 17 | |||
| 18 | 3550/3661/3901 | ||
| 19 | 4930 | 1502 End of Trench 4586 | |
| 20 | 1504 Strata 5 to 6 7084 | ||
| 21 | 8057 | ||
| 22 | 1504 McLean’s Auger 5 7991 | ||
| 23 | 1502 Above “Windust Point” 8000 | ||
| 24 | |||
| 25 | 8519 | ||
| 26 | |||
| 27 | 8780 | ||
| 28 | |||
| 29 | 9063 | ||
| 30 | |||
| 31 | |||
| 32 | 1502 South End Mazama? | ||
| 33 | 9340/9349 |