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| After excavating fill adjacent to scarp, revealing continuation of dark, loose fill ... Laura Gawlinski ... south Rotate 90 CW ... 29 Jun 2018 ... Ω |
| Baulk at channel cutting, with collapse of water basin excavated in 1971 ... Laura Gawlinski ... northwest ... 2 Jul 2018 ... Ω |
| Baulk at channel cutting, with collapse of water basin excavated in 1971 ... Laura Gawlinski ... northwest Rotate 180 ... 2 Jul 2018 ... Ω |
| Before excavating baulk north of tunnel ... Laura Gawlinski ... northwest Rotate 180 ... 3 Jul 2018 ... Ω |
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