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| Before excavating fill fallen from eastern scarp ... Laura Gawlinski ... southeast Horizontal (normal) ... 25 Jun 2018 |
| Baulk southwest of Fish Mosaic, with drain in foreground ... Laura Gawlinski ... northeast Rotate 180 ... 17 Jul 2018 |
| Baulk southwest of Fish Mosaic, with rock fall in foreground ... Laura Gawlinski ... southwest Rotate 180 ... 17 Jul 2018 |
| Baulk southwest of Fish Mosaic, with rock fall, concrete bedding, and disturbed mosaic ... Laura Gawlinski ... west Rotate 180 ... 17 Jul 2018 |
| Baulk southwest of Fish Mosaic, concrete bedding at south ... Laura Gawlinski ... north Rotate 180 ... 17 Jul 2018 |
| Baulk southwest of Fish Mosaic, concrete bedding at south ... Laura Gawlinski ... east Rotate 180 ... 17 Jul 2018 |
| Baulk southwest of Fish Mosaic ... Laura Gawlinski ... southeast Rotate 180 ... 17 Jul 2018 |
| Before excavating test trench at edge of tunnel east of 3a ... Laura Gawlinski ... southeast Rotate 180 ... 17 Jul 2018 |
| Surface peeking out of scarp of tunnel east of 3a ... Laura Gawlinski ... southeast ... 17 Jul 2018 |
| Surface peeking out of scarp of tunnel east of 3a ... Laura Gawlinski ... southwest ... 17 Jul 2018 |
| New fill in east half of test trench by tunnel ... Laura Gawlinski ... southeast Rotate 180 ... 18 Jul 2018 |
| After excavating chunky grey fill, revealing more fine grey fill ... Laura Gawlinski ... northwest ... 24 Jul 2018 |
| Before excavating redder fill with ceramic inclusions ... Laura Gawlinski ... north ... 25 Jul 2018 |
| Before excavating redder fill with ceramic inclusions ... Laura Gawlinski ... northeast Rotate 180 ... 25 Jul 2018 |
| After excavating redder fill with ceramic inclusions ... Laura Gawlinski ... northwest ... 26 Jul 2018 |
| After removing leftover grey fill west of surface ... Laura Gawlinski ... northeast Rotate 180 ... 31 Jul 2018 |
| After revealing west and south edges of surface, over bedrock ... Laura Gawlinski ... northeast Rotate 180 ... 31 Jul 2018 |
| After removing fill along western edge of surface ... Laura Gawlinski ... northeast Rotate 180 ... 31 Jul 2018 |
| Surface at scarp of tunnel east of 3a, with similar surface built into tunnel support ... Laura Gawlinski ... southwest ... 3 Aug 2018 |
| Surface at scarp of tunnel east of 3a at end of season ... Laura Gawlinski ... east Rotate 180 ... 3 Aug 2018 |
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