In a message dated 6/26/03 3:32:03 PM Mountain Daylight Time, tim@kalyr.com 
writes:

>  While the men are cleaning up he keeps an eye out for anything that
>  might prove useful in the future, particularly bits of glass or metal
>  that might be used as a mirror.  He notices that there are several
>  sizable shards of what must once have been a very large mirror,
>  stacked neatly in their cart for possible re-use, as well as a lot of
>  smaller pieces in a pile of rubble.

When no one is looking Gerryn removes a couple of unobtrusive pieces from the 
stack of shards, hiding them in an area that has already been worked over.

He continues hauling water until the workers to leave off work for the night.