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| After removing leftover grey fill west of surface ... Laura Gawlinski ... northeast Rotate 180 ... 31 Jul 2018 ... Ω |
| After revealing west and south edges of surface, over bedrock ... Laura Gawlinski ... northeast Rotate 180 ... 31 Jul 2018 ... Ω |
| After removing fill along western edge of surface ... Laura Gawlinski ... northeast Rotate 180 ... 31 Jul 2018 ... Ω |
| Surface at scarp of tunnel east of 3a, with similar surface built into tunnel support ... Laura Gawlinski ... southwest ... 3 Aug 2018 ... Ω |
| Surface at scarp of tunnel east of 3a at end of season ... Laura Gawlinski ... east Rotate 180 ... 3 Aug 2018 ... Ω |
| After excavating fill adjacent to scarp, revealing continuation of dark, loose fill ... Laura Gawlinski ... south Rotate 90 CW ... 29 Jun 2018 ... Ω |
| Before excavating fill fallen from eastern scarp ... Laura Gawlinski ... southeast Horizontal (normal) ... 25 Jun 2018 ... Ω |
| Fills at east scarp, arrow = Basket 3 ... Laura Gawlinski ... southeast ... 27 Jun 2018 ... Ω |
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