Before expanding test trench south of tunnel ... Laura Gawlinski ... northeast Rotate 180 ... 20 Jul 2018 ... Ω
After removing greyish fill from test trench ... Laura Gawlinski ... east Rotate 180 ... 19 Jul 2018 ... Ω
After removing greyish fill from test trench ... Laura Gawlinski ... southeast Rotate 90 CW ... 19 Jul 2018 ... Ω
After removing greyish fill from test trench, with remaining fill left in cutting ... Laura Gawlinski ... southeast Rotate 180 ... 19 Jul 2018 ... Ω
After exposing different fills in extension of test trench south of tunnel ... Laura Gawlinski ... northeast Rotate 180 ... 20 Jul 2018 ... Ω
After exposing different fills in extension of test trench south of tunnel ... Laura Gawlinski ... northwest ... 20 Jul 2018 ... Ω
Before excavating test trench at edge of tunnel east of 3a ... Laura Gawlinski ... southeast Rotate 180 ... 17 Jul 2018 ... Ω