Although it may change the chemical composition of the sand slightly, I
know sand sculpture artists spray watered down elmer's glue on their pieces
to help them hold together as long as possible

On Tue, Oct 16, 2012 at 1:46 PM, Thomas Wheeler <[log in to unmask]>wrote:

> I would agree with Conrad. I found that while digging the Barrel Springs
> site at Ocotillo Wells SVRA in east San Diego Co. that moist sands retained
> their sidewall far better than dry.
>
> Tom
>