Figure 7. Reservoir R31 just after the cleanout began, 11 Oct. 2016.
Figure 17. Close up view of quarry marks. Below the 10-cm scale stick the groove in which wood wedges soaked with water were jammed is clearly visible. Because of the fine-grained igneous texture, the basalt blocks split of smoothly, similar to a flint sliver knapped from a core. 1 November, 2016.
Figure 20. Reservoir 13 with water remaining to an average depth of one meter. In the foreground one can see the shelf of exposed bedrock floor and the algae bloom in the shallower water. 26 October 2016.
Figure 5. The energetic crew that completed the R7 excavation. 20 Oct 2017.
Figure 8. Crew removing building blocks from Reservoir R31. 20 October 2016.
Figure 25. Team 2. The Group mostly responsible for clearing the deep stone layer from Quarry-Reservoir R19. 2 November, 2016.
Figure 10. Twentieth Century surface supply channel collected runoff from open field to north of Reservoir R31. Oct 10, 2016.
Figure 21. The dry south west corner of Reservoir 13 with its deposit of plastic bottles on top of algae ‘rooted’ in about 3 cm of new sediment. 26 October, 2016.
