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| Before taking a cleaning pass over baulk at cutting for tunnel ... Laura Gawlinski ... northwest ... 29 Jun 2018 ... Ω |
| Before excavating fill at eastern edge of trench ... Laura Gawlinski ... southeast Rotate 180 ... 29 Jun 2018 ... Ω |
| Before excavating fill at eastern edge of trench, with possible surface below ... Laura Gawlinski ... southwest ... 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 |
| After removing fill at east scarp to level of putative surface (not a surface) ... Laura Gawlinski ... northeast Rotate 180 ... 3 Jul 2018 ... Ω |
| After isolating harder fill in baulk north of tunnel ... Laura Gawlinski ... west Rotate 180 ... 4 Jul 2018 ... Ω |
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