Figure 10. Twentieth Century surface supply channel collected runoff from open field to north of Reservoir R31. Oct 10, 2016.
Figure 16. Reservoir R19 at end of season; final cleanup to be done in 2017. 2 November 2016.
Figure 13. Removal of twentieth century reservoir cleanout. 12 Oct. 2016.
Figure 7. Reservoir R31 just after the cleanout began, 11 Oct. 2016.
Figure 11. Reservoir R19 with soil heaps; looking to southwest. 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 8. Crew removing building blocks from Reservoir R31. 20 October 2016.
Figure 23. The cleaned portion of exposed floor. Proper care of this water source will require periodic cleaning of the entire reservoir floor, at times when the entire water supply is used up. 27 October, 2016.
